US Pat. No. 9,233,344

HIGH SELECTIVITY POLYIMIDE MEMBRANE FOR NATURAL GAS UPGRADING AND HYDROGEN PURIFICATION

UOP LLC, Des Plaines, IL...

1. A polyimide membrane comprising a polyimide polymer with hydroxyl and acetoxy functional groups wherein the molar ratio
of said hydroxyl functional groups to said acetoxy functional groups is in a range of 1:1 to 8:1 wherein said polyimide polymer
comprises a plurality of repeating units of formula (I), wherein formula (I) is

wherein n and m are independent integers from 20 to 500; wherein n:m is in a range of 1:1 to 8:1.

US Pat. No. 9,127,218

HYDROPROCESSING AND APPARATUS RELATING THERETO

UOP LLC, Des Plaines, IL...

1. A process for hydroprocessing, comprising:
A) providing a hydroprocessing zone comprising at least two beds; and
B) quenching downstream of a first bed of the at least two beds with a first vacuum gas oil that is lighter than another vacuum
gas oil fed to the first bed.

US Pat. No. 9,469,818

HYDROCARBON COMPOSITION USEFUL AS A FUEL AND FUEL OIL CONTAINING A PETROLEUM COMPONENT AND A COMPONENT OF A BIOLOGICAL ORIGIN

ENI S.p.A., Rome (IT) UO...

1. A method for preparing a hydrocarbon composition, comprising:
(A) 25 to 90% by volume, based on the total composition of said hydrocarbon composition, of a diesel cut or a blend of diesel
cuts having a CFPP of from ?15 to 8° C.; and

(B) 10 to 75 by volume, based on the total composition of said hydrocarbon composition, of a component of a biological origin,
which has a CFPP of from ?25 to 5° C., said process comprising:

(1) hydrodeoxygenating (C) a mixture of biological origin, comprising esters of fatty acids and optionally aliquots of free
fatty acids, to obtain a hydrodeoxygenated mixture;

(2) hydroisomerizing at least a portion of said hydrodeoxygenated mixture after optional water and gas flow separation, to
obtain (B) said component of a biological origin; and

(3) mixing (A) said diesel cut or blend of diesel cuts with (B) said component of a biological origin,
wherein:
said hydrocarbon composition has a CFPP which is from 1 to 8° C. lower than said CFPP of (A) said diesel cut or blend of diesel
cuts, and

said hydrocarbon composition has a cloud point which is from 1 to 6° C. lower than the cloud point of (A) said diesel cut
or blend of diesel cuts and the cloud point of (B) said component of a biological origin.

US Pat. No. 9,433,909

APPARATUS FOR RETAINING SOLID MATERIAL IN A RADIAL FLOW REACTOR AND METHOD OF MAKING

UOP LLC, Des Plaines, IL...

1. An apparatus for retaining a solid in a reactor comprising:
a generally vertical fluid side partition having a fluid side opening to allow passage of the fluid therethrough;
a generally vertical solid side partition spaced radially from the fluid side partition and generally parallel thereto having
a solid side opening to allow passage of fluid therethrough;

a fluid flowpath between the fluid side opening and the solid side opening; and
a baffle extending into the fluid flowpath to obstruct an upper portion of the fluid side opening and partially interrupt
the flow of fluid along the fluid flowpath.

US Pat. No. 9,328,296

METHOD FOR RECOVERING ENTRAINED IONIC LIQUID FROM AN IONIC LIQUID IMMISCIBLE PHASE

UOP LLC, Des Plaines, IL...

1. A method for recovering entrained ionic liquid from an ionic liquid immiscible phase containing droplets of ionic liquid
comprising:
contacting the immiscible phase containing the droplets of ionic liquid with a scrubbing ionic liquid phase in a scrubbing
zone, the immiscible phase containing the droplets of ionic liquid having a first level of droplets of ionic liquid, at least
a portion of the droplets of ionic liquid being transferred to the scrubbing ionic liquid phase to form a recovered ionic
liquid phase comprising the scrubbing ionic liquid and the transferred portion of the droplets of ionic liquid and a second
immiscible phase having a second level of droplets of ionic liquid lower than the first level; and

separating the second immiscible phase from the recovered ionic liquid phase.

US Pat. No. 9,327,973

METHODS AND APPARATUSES FOR REFORMING OF HYDROCARBONS INCLUDING RECOVERY OF PRODUCTS USING A RECOVERY ZONE, AN ABSORPTION ZONE AND A PRESSURE SWING ADSORPTION ZONE

UOP LLC, Des Plaines, IL...

14. A method for reforming of hydrocarbons including recovery of products, the method comprising the steps of:
separating a reforming-zone effluent that comprises H2, C4? hydrocarbons, and C5+ hydrocarbons including aromatics to form a net gas phase stream that comprises H2 and C6? hydrocarbons and a liquid phase hydrocarbon stream that comprises C5+ hydrocarbons including aromatics;

separating the net gas phase stream for forming an H2-rich stream and a first intermediate liquid phase hydrocarbon stream that is enriched with C3/C4 hydrocarbons and further comprises C5+ hydrocarbons;

contacting the H2-rich stream with an adsorbent that selectively separates H2 from hydrocarbons to form an H2-ultra rich stream and a pressure swing adsorption (PSA) tail gas stream that comprises H2, C2? hydrocarbons, and some C3+ hydrocarbons;

cooling the PSA tail gas stream to form a cooled PSA tail gas stream;
cooling at least a portion of the liquid phase hydrocarbon stream to form a cooled liquid phase hydrocarbon stream; and
contacting the cooled PSA tail gas stream with the cooled liquid phase hydrocarbon stream to extract C3/C4 hydrocarbons from the cooled PSA tail gas stream to the cooled liquid phase hydrocarbon stream and to form a H2, C2? hydrocarbons-containing gas stream and a cooled second intermediate liquid phase hydrocarbon stream that is enriched with
C3/C4 hydrocarbons.

US Pat. No. 9,193,924

METHODS AND APPARATUSES FOR FORMING LOW-METAL BIOMASS-DERIVED PYROLYSIS OIL

UOP LLC, Des Plaines, IL...

1. A method for forming a low-metal biomass-derived pyrolysis oil, the method comprising the steps of:
filtering a biomass-derived pyrolysis oil with a high flux rate filter arrangement having a filter pore diameter of about
50 ?m or greater with a flux rate of about 200 L/m2/hr to about 500 L/m2/hr to form a low-solids biomass-derived pyrolysis oil, wherein during filtering the biomass-derived pyrolysis oil is a liquid
that comprises metals and char;

filtering the low-solids biomass-derived pyrolysis oil with a fine filter arrangement having a pore diameter of about 50 ?m
or less to form an ultralow-solids biomass-derived pyrolysis oil; and

contacting the ultralow-solids biomass-derived pyrolysis oil with an ion-exchange resin to remove metal ions and form the
low-metal biomass-derived pyrolysis oil.

US Pat. No. 9,447,901

RADIAL FLOW PROCESS AND APPARATUS

UOP LLC, Des Plaines, IL...

1. A system for radial flow contact of a reactant stream with catalyst particles, the system comprising:
a reactor vessel;
a flow connector having a wall defining a flow path of the flow connector, the flow path terminating in a first end opening
and a second end opening, the first end opening in fluid communication with an axial flow path of the reactor vessel, the
second end opening in fluid communication with a first port in a wall of the reactor, the flow connector including a passageway
extending through the wall of the flow connector to provide access to the flow path of the flow connector wherein the first
port is an inlet nozzle that is in fluid communication with a source of a reactant stream; and

a cover dimensioned for sealing the passageway wherein said cover separates a product stream from a feed stream;
a catalyst retainer disposed in the reactor vessel, the catalyst retainer including an inner particle retention device and
an outer particle retention device, the inner particle retention device and the outer particle retention device being spaced
apart to define a catalyst retaining space of the catalyst retainer, the inner particle retention device defining the axial
flow path of the reactor vessel, the outer particle retention device and an inner surface of a wall of the reactor vessel
defining an annular flow path of the reactor vessel and a base plate separating the reactants from a catalyst collection space.

US Pat. No. 9,394,215

PROCESSES FOR MAKING CX-CY OLEFINS FROM C5 AND C6 PARAFFINS

UOP LLC, Des Plaines, IL...

1. A process for making CX to CY olefins, the process comprising the steps of:
reacting a feedstock comprising C5 and C6 olefins under dimerization or oligomerization conditions to provide a dimerization or oligomerization product;

separating the dimerization or oligomerization product in a separation unit into a stream comprising unreacted C5 and C6 paraffins, a stream comprising C10 to CX-1 olefins, a stream comprising CY+olefins, and a stream comprising CX to CY olefins including olefins having odd numbers of carbons to form a more uniform distribution of olefins, wherein X is at least
14 and Y is greater than X and less than or equal to 36;

reacting a first portion of the stream comprising C10 to CX-1 olefins under chain growth conditions to provide a portion of the stream comprising CX to CY olefins, wherein the chain growth conditions include dimerization or oligomerization; and

reacting at least a portion of the stream comprising C10 to CX-1 olefins under chain growth conditions to provide the stream comprising CX to CY olefins, wherein chain growth conditions include dimerization or oligomerization;

reacting a second portion of the stream comprising C10 to CX-1 olefins and the stream comprising CY+olefins under metathesis conditions to provide a metathesis reaction product and passing the metathesis reaction product to
the separation unit.

US Pat. No. 9,283,532

SEGMENTED BAFFLE SYSTEM FOR A RISER

UOP LLC, Des Plaines, IL...

1. A conduit, comprising:
a cylindrical housing defined by a sidewall having an interior surface and an exterior surface;
a baffle defined by a first segment and a second segment, wherein the baffle is designed to be retrofitted and positioned
on the interior surface of the conduit on top of a refractory layer and wherein the first segment and second segment are releasably
interlockable; and

wherein the baffle includes a lower surface characterized by an angle in relation to the interior surface of the sidewall,
and wherein the baffle is designed to be sealingly flush with the interior surface of the cylindrical housing or to be disposed
within a groove disposed in the interior surface of the sidewall.

US Pat. No. 9,296,958

PROCESS AND APPARATUS FOR TREATING HYDROCARBON STREAMS

UOP LLC, Des Plaines, IL...

1. A process for treating a hydrocarbon stream containing hydrogen sulfide and chloride compound, the process comprising:
flowing the hydrocarbon stream through a hydrocarbon treating vessel;
heating at least a portion of an interior surface of the vessel to a predetermined vessel temperature of 400° C. or greater
for 300 hours or more;

allowing a portion of the hydrogen sulfide to interact with oxygen and air within the vessel to form polythionic acid and
controlling stress corrosion cracking of the portion due to the polythionic acid;

controlling sensitization and chloride stress corrosion cracking of the portion of the hydrocarbon treating vessel by employing
a hydrocarbon treating vessel with at least the portion thereof formed of a novel austenitic stainless steel alloy having
a Pa value of below 0.10 comprising 0.005 to 0.020 wt-% carbon, 10 to 30 wt-% nickel, 15-24 wt-% chromium, 0.20 to 0.50 wt-%
niobium, 0.06 to 0.10 wt-% nitrogen, up to 5% copper, and 1.0 to 7 wt-% molybdenum to restrict sensitization and chloride
stress corrosion cracking of the portion of the interior surface;

intermittently stopping flowing the hydrocarbon stream, reducing the vessel temperature below the predetermined temperature,
and exposing the interior of the hydrocarbon treating vessel to an external environment including oxygen and moisture without
neutralizing or purging the interior of the hydrocarbon treating vessel and without causing polythionic acid stress corrosion
cracking of the portion of the interior surface.

US Pat. No. 9,458,068

PROCESS AND VESSEL FOR REMOVING ONE OR MORE SULFUR COMPOUNDS

UOP LLC, Des Plaines, IL...

1. A process for removing one or more sulfur compounds from a first liquid comprising:
A) passing the first liquid through a first inlet and a second liquid through a second inlet of a vessel, wherein the vessel
further comprises:

1) a plurality of vortex contactors, wherein the plurality of vortex contactors comprises at least a first and a second vortex
contactor, each vortex contactor in turn comprising:

a) at least one wall forming a perimeter about an interior region and comprising a first side and a second side forming a
passageway communicating liquid from an exterior to the interior region; and

b) a frustum positioned proximate to the passageway and abutting the at least one wall; and
2) a first outlet and a second outlet;
B) swirling the first and second liquids at no more than bout 10 g,
C) passing the first and second liquids through the passageway of the first vortex contactor and passing the first and second
liquids though the passageway of the second vortex contactor for facilitating contacting of the first and second liquids to
extract the one or more sulfur compounds from the first liquid to the second liquid; and

D) passing the first liquid through the first outlet and the second liquid through the second outlet.

US Pat. No. 9,334,455

METHODS AND APPARATUSES FOR ENHANCED ABSORPTION OF ACID GAS COMPONENTS FROM SOUR FEED GAS

UOP LLC, Des Plaines, IL...

1. A method for processing a gas, the method comprising the steps of:
contacting a feed gas stream which comprises a hydrocarbon and hydrogen sulfide and carbon dioxide with a liquid absorbent
preloaded with carbon oxide in a first stage of a multistage counterflow absorption zone to absorb hydrogen sulfide to provide
a lean gas stream having reduced hydrogen sulfide concentration and an effluent liquid stream rich in hydrogen sulfide, the
effluent liquid stream being sent for regeneration wherein said first stage is within a first absorbent column; and

passing the lean gas stream to a second stage of the multistage counterflow absorption zone to absorb carbon dioxide from
the lean gas stream into a second liquid absorbent comprising at least a portion of the regenerated effluent liquid stream,
and producing a treated gas stream, wherein said second stage is within a second absorbent column;

removing a portion of the liquid absorbent and a portion of the second liquid absorbent from an interstage location in the
multistage counterflow absorption zone;

cooling the portion of the liquid absorbent and the second liquid absorbent to form a cooled portion; and
returning the cooled portion to the interstage location.

US Pat. No. 9,328,038

HIGH TEMPERATURE QUENCH SYSTEM AND PROCESS

UOP LLC, Des Plaines, IL...

1. A process for the quenching of a high speed vapor flow, comprising:
passing the high speed vapor flow to a quench section; and
spraying a liquid into the quench section, wherein the liquid has a high heat of vaporization, and the liquid is sprayed into
the quench section with droplets having a mean diameter less than 500 micrometers;

wherein the quench section comprises a frustum shape with an inlet, an outlet, and quench section wall; and
a plurality of nozzles embedded in the quench wall with the nozzles substantially flush with the quench section wall.

US Pat. No. 9,284,498

PROCESS FOR PRODUCING DIESEL

UOP LLC, Des Plaines, IL...

1. A process for producing diesel from a hydrocarbon stream comprising:
hydrotreating a primary hydrocarbon stream and a co-feed hydrocarbon stream comprising diesel in the presence of a hydrogen
stream and pretreating catalyst to provide a pretreated effluent stream;

hydrocracking the pretreated effluent stream in the presence of hydrocracking catalyst and hydrogen to provide a hydrocracking
effluent stream;

separating the hydrocracking effluent in a separator to provide at least a vaporous hydrocracking effluent stream and a liquid
hydrocracking effluent stream; fractionating at least the liquid hydrocracking effluent stream in a fractionation column to
provide a diesel stream; and

hydrotreating the diesel stream in the presence of a hydrotreating hydrogen stream and hydrotreating catalyst to provide a
hydrotreating effluent stream.

US Pat. No. 9,284,499

PROCESS AND APPARATUS FOR INTEGRATING SLURRY HYDROCRACKING AND DEASPHALTING

UOP LLC, Des Plaines, IL...

1. A process for converting heavy hydrocarbons to lighter hydrocarbons comprising:
a) deasphalting a heavy hydrocarbon feed stream to extract a DAO stream containing a greater concentration of saturated compounds
than in the feed stream and provide an asphaltene stream containing a greater concentration of aromatic compounds than in
the feed stream;

b) catalytically upgrading at least a portion of the DAO stream by either hydrocracking the DAO stream with a hydrocracking
catalyst having a cracking base or fluid catalytic cracking (FCC), in the presence of a catalyst to produce a catalytically
upgraded product;

c) slurry hydrocracking at least a portion of the asphaltene stream in the presence of hydrogen over a slurried catalyst to
produce a slurry hydrocracked product; and

d) recovering a product stream from said slurry hydrocracked product and deasphalting said product stream.

US Pat. No. 9,283,496

PROCESS FOR SEPARATING AT LEAST ONE AMINE FROM ONE OR MORE HYDROCARBONS, AND APPARATUS RELATING THERETO

UOP LLC, Des Plaines, IL...

1. A process for separating at least one amine from one or more hydrocarbons for regenerating the at least one amine, comprising:
passing the at least one amine after contacting with the one or more hydrocarbons from a first vessel to a second vessel wherein
the second vessel comprises one or more walls surrounding one or more baffles and contains at least one coalescing zone;

wherein the one or more baffles comprises a first baffle, a second baffle, and a third baffle, and the at least one amine
passes to an enclosure at least partially formed by the first baffle.

US Pat. No. 9,266,083

APPARATUSES FOR STRIPPING GASEOUS HYDROCARBONS FROM PARTICULATE MATERIAL AND PROCESSES FOR THE SAME

UOP LLC, Des Plaines, IL...

1. An apparatus for stripping gaseous hydrocarbons from particulate material, the apparatus comprising:
a structured packing configured for passage of a stripping vapor and particles that contain hydrocarbons in countercurrent
contacting flow to remove at least a portion of the hydrocarbons with the stripping vapor to form stripped particles, the
structured packing comprising:

a formed strip comprising a sloping element that has a lower section; and
a reinforcing rod disposed adjacent to the lower section of the sloping element, wherein the sloping element has an opening
formed therethrough proximate the reinforcing rod and comprises an inclined sheet portion that defines the opening and a punch
tab extending downward from the inclined sheet portion adjacent to the opening.

US Pat. No. 9,393,538

PROCESS AND APPARATUS FOR SELECTIVELY HYDROGENATING NAPHTHA

UOP LLC, Des Plaines, IL...

1. An apparatus for selective hydrogenation comprising:
a fractionation column for producing a lighter naphtha stream at a lighter outlet and a heavy naphtha stream at a second outlet
at a location in the column below the lighter outlet, and an overhead outlet at a location in the column above the lighter
outlet;

a selective hydrogenation reaction zone having a first inlet in downstream communication with the second outlet and a second
inlet downstream of the first inlet and in downstream communication with the lighter outlet; and

a overhead selective hydrogenation reaction zone in downstream communication with the overhead outlet and wherein said fractionation
column is in downstream communication with said overhead selective hydrogenation reaction zone.

US Pat. No. 9,321,004

MIXTURES OF PHYSICAL ABSORPTION SOLVENTS AND IONIC LIQUIDS FOR GAS SEPARATION

UOP LLC, Des Plaines, IL...

1. A composition comprising an ionic liquid and a physical absorption solvent wherein said ionic liquid comprises a cation
selected from the group consisting of ammonium, phosphonium, pyrazolium, pyrrolidinium, sulfonium, piperidinium, caprolactamium,
guanidinium, and morpholium and an acetate anion wherein the physical absorption solvent is a dimethyl ether of polyethylene
glycol.
US Pat. No. 9,272,256

PROCESS FOR TREATING HYDROCARBON STREAMS

UOP LLC, Des Plaines, IL...

1. A process for treating a hydrocarbon stream containing hydrogen sulfide, the process comprising:
flowing the hydrocarbon stream containing hydrogen sulfide through a hydrocarbon treating vessel;
heating at least a portion of an interior surface of the vessel to a predetermined vessel temperature of 565° C. or greater
for 1,000 hours or more;

allowing a portion of the hydrogen sulfide to interact with oxygen and air within the vessel to form polythionic acid and
controlling stress corrosion cracking of the portion due to the polythionic acid;

controlling sensitization of the portion of the hydrocarbon treating vessel by employing a hydrocarbon treating vessel with
at least the portion thereof formed of a low-carbon stainless steel alloy having a Pa value below 0.10 comprising 0.005 to
0.020 wt-% carbon, 9.0 to 13.0 wt-% nickel, 17.0 to 19.0 wt-% chromium, 0.20 to 0.50 wt-% niobium, and 0.06 to 0.10 wt-% nitrogen
to restrict sensitization of the portion of the interior surface; and

intermittently stopping flowing the hydrocarbon stream, reducing the vessel temperature below the predetermined temperature,
and exposing the interior of the hydrocarbon treating vessel to an external environment including oxygen and moisture without
neutralizing or purging the interior of the hydrocarbon treating vessel and without causing polythionic acid stress corrosion
cracking of the portion of the interior surface.

US Pat. No. 9,096,482

CATALYTIC REVERSE DISPROPORTIONATION OF PARAFFINS USING IONIC LIQUIDS

UOP LLC, Des Plaines, IL...

1. A hydrocarbon conversion process comprising:
reverse disproportionating two hydrocarbon feeds, the first hydrocarbon feed comprising one or more Cn alkanes and the second hydrocarbon feed comprising one or more Cm alkanes, where n=1-198, m=3-200, and m?n=2 or more, by contacting the first and second hydrocarbon feeds with a liquid catalyst
in a reaction zone under reverse disproportionation conditions to form a product mixture comprising at least one Cn+1 to Cm?1 alkanes, wherein an amount of at least one of the Cn+1 to Cm?1 alkanes in the product mixture is equal to or greater than an amount of the at least one Cn+1 to Cm?1 alkanes formed from disproportionating the Cn alkane or Cm alkane alone, wherein the liquid catalyst comprises an ionic liquid and carbocation promoter;

wherein the ionic liquid comprises an organic cation and an anion and wherein the organic cation is selected from the group
consisting of:


where R5-R11 and R18-R21 are independently selected from C1-C20 hydrocarbons, C1-C20 hydrocarbon derivatives, halogens, and H;

wherein the ionic liquid comprises an organic cation and an anion and wherein the anion is selected from the group consisting
of AlCl4?, Al2Cl7?, Al3Cl10?, AlCl3Br?, Al2Cl6Br?, Al3Cl9Br?, AlBr4?, Al2Br7?, Al3Br10?, GaCl4?, Ga2Cl7?, Ga3Cl10?, GaCl3Br?, Ga2Cl6Br?, Ga3Cl9Br?, CuCl2?, Cu2Cl3?, Cu3Cl4?, ZnCl3?, FeCl3?, FeCl4?, Fe3Cl7?, PF6?, and BF4?; and

wherein the carbocation promoter comprises 2-chloro-2-methylpropane, 2-chloropropane, 2-chlorobutane, 2-chloro-2-methylbutane,
2-chloropentane, 1-chlorohexane, 3-chloro-3-methylpentane, hydrochloric acid, or combinations thereof.

US Pat. No. 9,308,499

POLYIMIDE BLEND MEMBRANES FOR GAS SEPARATIONS

UOP LLC, Des Plaines, IL...

1. A polyimide blend membrane comprising a miscible blend of a first aromatic polyimide that comprises a plurality of repeating
units of formula (I) and a second aromatic polyimide that comprises a plurality of repeating units of formula (II), wherein
formula (I) is represented by:

wherein n, m, o, and p are independent integers from 20 to 500; and wherein formula (II) is represented by:

wherein q and r are independent integers from 20 to 500; and wherein the weight ratio of said first aromatic polyimide to
said second aromatic polyimide is in a range from about 10:1 to 1:10.

US Pat. No. 9,238,202

GAS SEPARATION MEMBRANES FROM CHEMICALLY AND UV TREATED POLYMERS OF INTRINSIC MICROPOROSITY

UOP LLC, Des Plaines, IL...

1. A process of making a chemically cross-linked and UV cross-linked polymer of intrinsic microporosity membrane comprising
preparing a polymer of intrinsic microporosity, chemically cross-linking said polymer of intrinsic microporosity with a chemical
cross-linking compound to produce a chemically cross-linked polymer of intrinsic microporosity and then UV cross-linking said
chemically cross-linked polymer of intrinsic microporosity with a UV cross-linking compound and UV radiation for a period
of time sufficient to provide said chemically cross-linked and UV cross-linked polymer of intrinsic microporosity membrane.
US Pat. No. 9,133,402

HYDROCARBON CONVERSION PROCESS

UOP LLC, Des Plaines, IL...

1. A process for hydrocarbon conversion, comprising:
(a) providing a heavy oil hydrocarbon feed to a primary upgrading zone, wherein the primary upgrading zone comprises:
(1) at least one upgrading reactor; and
(2) at least one separator;
(b) obtaining a hydrocarbon stream comprising one or more C16-C45 hydrocarbons from at least one separator; and

(c) sending the hydrocarbon stream to an ionic liquid extractor containing a hydrocarbon feed-immiscible ionic liquid to remove
up to 40 wt % of said nitrogen compounds;

wherein the hydrocarbon feed-immiscible ionic liquid comprises at least one of trihexyl(tetradecyl)phosphonium chloride, trihexyl(tetradecyl)phosphonium
bromide, tributyl(methyl)phosphonium bromide, tributyl(methyl)phosphonium chloride, tributyl(hexyl)phosphonium bromide, tributyl(hexyl)phosphonium
chloride, tributyl(octyl)phosphonium bromide, tributyl(octyl)phosphonium chloride, tributyl(decyl)phosphonium bromide, tributyl(decyl)phosphonium
chloride, tetrabutylphosphonium bromide, tetrabutylphosphonium chloride, triisobutyl(methyl)phosphonium tosylate, tributyl(methyl)phosphonium
methylsulfate, tributyl(ethyl)phosphonium diethylphosphate, and tetrabutylphosphonium methanesulfonate.

US Pat. No. 9,126,881

CATALYTIC ISOMERIZATION OF PENTANE USING IONIC LIQUIDS

UOP LLC, Des Plaines, IL...

1. A hydrocarbon conversion process comprising:
isomerizing a hydrocarbon feed comprising normal C5 alkane or branched C5 alkane by contacting the hydrocarbon feed with a liquid catalyst in a reaction zone under isomerization conditions to form
a product mixture comprising at least about 10 wt % branched C5 alkanes if the hydrocarbon feed was the normal C5 alkane or at least about 3 wt % normal C5 alkanes if the hydrocarbon feed was the branched C5 alkane in 1 hr based on normal C5 alkane or branched C5 alkane in the hydrocarbon feed, wherein the liquid catalyst comprises an unsupported ionic liquid and a carbocation promoter
comprising a haloalkane, and wherein a mass ratio of the ionic liquid to the hydrocarbon feed is less than 0.75:1;

wherein the organic cation is selected from the group consisting of:

wherein R5-R11 and R18-R21 are independently selected from C1-C20 hydrocarbons, C1-C20 hydrocarbon derivatives, halogens, and H;

wherein the ionic liquid comprises an anion selected from the group consisting of AlCl4?, Al2Cl7?, Al3Cl10?, AlCl3Br?, Al2Cl6Br?, Al3O9Br?, AlBr4?, Al2Br7?, Al3Br10?, GaCl4?, Ga2Cl7?, Ga3Cl10?, GaCl3Br?, Ga2Cl6Br?, Ga3Cl9Br?, CuCl2?, Cu2Cl3?, Cu3Cl4?, ZnCl3?, FeCl3?, FeCl4?, Fe3Cl7?, PF6?, and BF4?;

wherein the carbocation promoter comprises 2-chloro-2-methylpropane, 2-chloropropane, 2-chlorobutane, 2-chloro-2-methylbutane,
2-chloropentane, 1-chlorohexane, 3-chloro-3-methylpentane, or combinations thereof; and

disproportionating the hydrocarbon feed concurrently with the isomerizing the hydrocarbon feed.

US Pat. No. 9,302,957

PROCESS FOR CONTROLLING THE YIELD OF AN ISOMERIZATION ZONE

UOP LLC, Des Plaines, IL...

1. A process for the isomerization of isoparaffins to normal paraffins, the process comprising:
separating a portion of C6 cyclic hydrocarbons from a naphtha stream comprising C5+hydrocarbons to provide a C6 cyclic hydrocarbons
lean stream;

separating iC5 paraffinic hydrocarbons and iC6 paraffinic hydrocarbons from the C6 cyclic hydrocarbons lean stream; and,
passing a feed stream comprising at least one stream being rich in iC5 paraffinic hydrocarbons, iC6 paraffinic hydrocarbons,
or both to an isomerization zone containing a chlorided alumina catalyst to isomerize isoparaffins to normal paraffins, disproportionate
at least some isoparaffins, and ring open some cyclopentane; and,

controlling an amount of C6 cyclic hydrocarbons passed into the isomerization zone to from about 0.1 to about 5 wt. % of the
feed stream by at least one of the following:

selectively adding a stream of C6 cyclic hydrocarbons to the isomerization zone; and,
controlling an operating parameter of a separation zone used to separate the C6 cyclic hydrocarbons from the naphtha stream.

US Pat. No. 9,096,483

CATALYTIC ISOMERIZATION OF HEXANES USING IONIC LIQUIDS

UOP LLC, Des Plaines, IL...

1. A hydrocarbon conversion process comprising:
isomerizing a hydrocarbon feed comprising normal C6 alkane or branched C6 alkane by contacting the hydrocarbon feed with a liquid catalyst in a reaction zone under isomerization conditions to form
a product mixture comprising at least about 5 wt % branched C6 alkanes if the hydrocarbon feed was the normal C6 alkane or at least about 2 wt % normal C6 alkanes if the hydrocarbon feed was the branched C6 alkane in 1 hr based on the normal C6 alkane or branched C6 alkane in the hydrocarbon feed, wherein the liquid catalyst comprises an unsupported ionic liquid and a carbocation promoter
comprising a haloalkane, and wherein a mass ratio of liquid catalyst to hydrocarbon feed is less than 0.75:1;

wherein the ionic liquid comprises an organic cation and an anion and wherein the organic cation is selected from the group
consisting of:


Where R5-R11 and R18-R21 are independently selected from C1-C20 hydrocarbons, C1-C20 hydrocarbon derivatives, halogens, and H, and x=1-4, or combinations thereof;

wherein the anion is selected from the group consisting of AlCl4?, Al2Cl7?, Al3Cl10?, AlCl3Br?, Al2Cl6Br?, Al3Cl9Br?, AlBr4?, Al2Br7?, Al3Br10?, GaCl4?, Ga2Cl7?, Ga3Cl10?, GaCl3Br?, Ga2Cl6Br?, Ga3Cl9Br?, CuCl2?, Cu2Cl3?, Cu3Cl4?, ZnCl3?, FeCl3?, FeCl4?, Fe3Cl7?, PF6?, BF4?, or combinations thereof; and

wherein the haloalkane comprises 2-chloro-2-methylpropane, 2-chloropropane, 2-chlorobutane, 2-chloro-2-methylbutane, 2-chloropentane,
1-chlorohexane, 3-chloro-3-methylpentane, or combinations thereof; and;

disproportionating the hydrocarbon feed concurrently with the isomerizing of the hydrocarbon feed.
US Pat. No. 9,441,173

PROCESS FOR MAKING DIESEL BY OLIGOMERIZATION

UOP LLC, Des Plaines, IL...

1. A process for oligomerizing light olefins to diesel comprising contacting an oligomerization feed comprising C4 olefins with an oligomerization catalyst comprising a zeolite having a uni-dimensional 10-ring pore structure in an oligomerization
reactor and oligomerizing olefins in the oligomerization feed to product oligomers, wherein at least 70 wt % of the product
oligomers have nine or more carbons per molecule after a single pass through the oligomerization reactor.

US Pat. No. 9,365,468

METHODS AND SYSTEMS FOR REFORMING AND TRANSALKYLATING HYDROCARBONS

UOP LLC, Des Plaines, IL...

1. A method for processing a naphtha-containing hydrocarbon stream comprising the steps of:
hydrotreating a naphtha-containing hydrocarbon stream in the presence of a catalyst active for removal of heteroatoms;
reforming the naphtha-containing hydrocarbon stream in the presence of a catalyst containing a porous support, a binder, one
or more group VIII noble metal selected from platinum, iridium, rhodium, and palladium, and a promoter element selected from
gallium, germanium, indium, tin, thallium, and lead to produce a first mixed-xylene and ethylbenzene-containing stream and
a toluene stream, and wherein the toluene stream is produced using aromatics recovery processes;

separating para-xylene from the first mixed-xylene and ethylbenzene-containing stream to produce a first non-equilibrium xylene
and ethylbenzene stream, wherein separating para-xylene is performed using simulated moving bed processes;

isomerizing the first non-equilibrium xylene and ethylbenzene stream in the presence of an isomerization catalyst containing
a first concentration of precious metal to produce additional para-xylene;

transalkylating the toluene stream with a C9+ aromatic hydrocarbons stream in the presence of catalyst containing a zeolite
selected from Y zeolite, Beta zeolite, mordenite, and ZSM-type zeolite and a metal selected from Bi, Mo, Fe, Co, Ni, Pt, Ag,
Pd, Re, and Au to produce a second mixed-xylene and ethylbenzene-containing stream, wherein the first mixed-xylene and ethylbenzene-containing
stream comprises a greater proportion of ethylbenzene than does the second mixed-xylene and ethylbenzene-containing stream;

separating para-xylene from the second mixed-xylene and ethylbenzene-containing stream to produce a second non-equilibrium
xylene and ethylbenzene stream, wherein separating para-xylene is performed using simulated moving bed processes; and

isomerizing the second non-equilibrium xylene and ethylbenzene stream using an ethylbenzene dealkylation and xylene isomerization
catalyst having a second concentration of precious metal to dealkylate ethylbenzene and isomerize xylenes to produce additional
para-xylene; wherein the first concentration of precious metal is higher than the second concentration of precious metal.

US Pat. No. 9,327,259

APPARATUSES AND METHODS FOR REFORMING OF HYDROCARBONS

UOP LLC, Des Plaines, IL...

1. An apparatus for reforming of hydrocarbons, the apparatus comprising:
a reforming heating-zone configured to heat a reforming-zone feedstock that contains (C5-C11) hydrocarbons to form a heated reforming-zone feed stream, wherein the reforming heating-zone has a radiant furnace section
that is configured to burn fuel gas to form hot flue gas and a common convection section that is in fluid communication with
the radiant furnace section to receive the hot flue gas, and wherein the reforming heating-zone comprises a process heat recovery
coil arrangement disposed in the common convection section for recovering heat from the hot flue gas; and

a reforming reaction-zone that receives the heated reforming-zone feed stream and that comprises:
a plurality of staged reactor catalyst beds that is in fluid communication with the radiant furnace section; and
an additional reactor catalyst bed that is in fluid communication with the process heat recovery coil arrangement disposed
within the common convection section, wherein the reforming heating-zone, the plurality of staged reactor catalyst beds, and
the additional reactor catalyst bed are cooperatively configured for interstage heating and reforming of the heated reforming-zone
feed stream to form a reforming reaction-zone effluent that comprises H2, C5+ hydrocarbons including aromatics, and C4? hydrocarbons.

US Pat. No. 9,309,170

AROMATICS ISOMERIZATION USING A DUAL-CATALYST SYSTEM

UOP LLC, Des Plaines, IL...

1. A process for the conversion of a hydrocarbon feed mixture comprising a major concentration of nonequilibrium C8 aromatics and a minor concentration of nonaromatics by contacting the mixture with a dual-catalyst system comprising a first
catalyst consisting of a tungsten component and a second catalyst comprising from about 0.01 to about 0.2 mass-% on an elemental
basis of at least one platinum-group metal component at hydrocarbon-conversion conditions comprising a temperature of about
300° to about 550° C., a pressure of about 100 kPa to 5 MPa and a liquid hourly space velocity of about 0.5 to 50 hr?1 with respect to the dual-catalyst system to obtain a converted product comprising a reduced concentration of ethylbenzene
and a reduced concentration of nonaromatics than in the feed mixture.

US Pat. No. 9,238,209

ADVANCED ELEVATED FEED DISTRIBUTION APPARATUS AND PROCESS FOR LARGE DIAMETER FCC REACTOR RISERS

UOP LLC, Des Plaines, IL...

1. A fluid catalytic cracking process comprising:
passing catalyst and inert gas upwardly in a riser having a wall and an inner diameter defined by said wall of at least 1.3
meters;

injecting a hydrocarbon feedstock into said riser from at least two distributors penetrating said wall of said riser and having
respective tips with at least one opening in each of said tips, said respective tips of said at least two distributors positioned
at the same elevation within a margin of 0.1 inner diameters of said riser at the elevation of the feed distributors but positioned
at different radial distances from said wall in said riser, said at least two distributors including an inner distributor
and an outer distributor and of the total hydrocarbon feedstock injected from the inner distributor and the outer distributor,
at least 8 and less than 50 wt-% is injected from the inner distributor;

cracking said hydrocarbon feedstock in the presence of said catalyst to produce a cracked stream; and
separating said catalyst from said cracked stream.

US Pat. No. 9,468,897

PROCESS AND APPARATUS FOR IMPROVING LIGHT OLEFIN YIELD FROM A FLUID CATALYTIC CRACKING PROCESS

UOP LLC, Des Plaines, IL...

1. An apparatus for catalytic cracking, comprising:
a first catalytic reactor for catalytically cracking a first hydrocarbon feed stream;
a fractionation zone in downstream communication with the first catalytic reactor, said fractionation zone comprising a debutanizer
column;

a separation unit including a first distillation column in downstream communication with said debutanizer column for producing
a first separated stream comprising C4 olefins and a second distillation column in downstream communication with said fractionation section for producing a second
separated stream comprising C5 olefins and a recovery column in said separation unit for separating extractant from extract, said recovery column being in
downstream communication with said first distillation column and said second distillation column; and

a second catalytic reactor in downstream communication with an overhead line of said first distillation column and an overhead
line of said second distillation column of the separation unit for cracking a second hydrocarbon feed stream comprising said
first separated stream and said second separated stream.

US Pat. No. 9,399,607

METHODS AND APPARATUSES FOR REFORMING OF HYDROCARBONS INCLUDING RECOVERY OF PRODUCTS USING A RECOVERY ZONE, A PRESSURE SWING ADSORPTION ZONE, AND A MEMBRANE SEPARATION ZONE

UOP LLC, Des Plaines, IL...

14. A method for reforming of hydrocarbons including recovery of products, the method comprising the steps of:
separating a reforming-zone effluent that comprises H2, C4? hydrocarbons, and C5+ hydrocarbons including aromatics to form a net gas phase stream that comprises H2 and C6? hydrocarbons and a liquid phase hydrocarbon stream that comprises C5+ hydrocarbons including aromatics;

separating the net gas phase stream for forming an H2-rich stream and a first intermediate liquid phase hydrocarbon stream that is enriched with C3/C4 hydrocarbons and further comprises C5+ hydrocarbons;

contacting the H2-rich stream with an adsorbent that selectively separates H2 from hydrocarbons to form an H2-ultra rich stream and a pressure swing adsorption (PSA) tail gas stream that comprises H2, C2? hydrocarbons, and some C3+ hydrocarbons; and

contacting the PSA tail gas stream with an H2/hydrocarbon separation membrane to separate the PSA tail gas stream and form an H2-ultra rich permeate stream and a PSA tail gas hydrocarbon-containing non-permeate residue stream.

US Pat. No. 9,321,005

MIXTURES OF PHYSICAL ABSORPTION SOLVENTS AND IONIC LIQUIDS FOR GAS SEPARATION

UOP LLC, Des Plaines, IL...

1. A method of purifying a gas mixture comprising contacting said gas mixture with a mixture of a phosphonium or an imidizolium
ionic liquid and a physical absorption solvent selected from the group consisting of a mixture of dimethyl ethers of propylene
glycol (CH3O(C2H4O)nCH3 (where n is between 2 and 9)) and N-methyl-2-pyrrolidone in an absorbent zone wherein said ionic liquid and physical absorption
solvent mixture absorbs at least one component from said gas mixture, and the said ionic liquid and physical absorption solvent
mixture is regenerated to remove said absorbed component or components.

US Pat. No. 9,308,502

HIGH PERMEABILITY POLYIMIDE MEMBRANES: GAS SELECTIVITY ENHANCEMENT THROUGH UV TREATMENT

UOP LLC, Des Plaines, IL...

1. A UV treated polyimide membrane comprising a polyimide polymer having a formula

where m and n are independent integers from 10 to 500 and are in a ratio from 1:10 to 10:1.

US Pat. No. 9,233,928

SYNTHESIS OF LACTAM BASED IONIC LIQUID

UOP LLC, Des Plaines, IL...

1. A lactamium based ionic liquid comprising consisting at least of one of:
a reaction product of a lactam compound having a formula

wherein n is 3,
and a Brønsted acid HX; or a Brønsted acid HX, where X is a halide, and a metal halide; where the reaction product is a halide,
or a halometallate.

US Pat. No. 9,120,092

REGENERATION OF AN ACIDIC CATALYST BY SILANE ADDITION

UOP LLC, Des Plaines, IL...

1. A method for regenerating deactivated acidic catalyst containing conjunct polymer comprising:
contacting the deactivated acidic catalyst containing the conjunct polymer with at least one silane compound in a regeneration
zone under regeneration conditions, the acidic catalyst selected from the group consisting of sulfuric acid, hydrofluoric
acid, trifluoromethanesulfonic acid, phosphoric acid, boron trifluoride, and acidic ionic liquids, the conjunct polymer reacting
with the at least one silane compound resulting in a catalyst phase and an organic phase containing the conjunct polymer and
at least one silyl compound.

US Pat. No. 9,303,214

PROCESS, VESSEL, AND APPARATUS FOR REMOVING ONE OR MORE SULFUR COMPOUNDS

UOP LLC, Des Plaines, IL...

1. A separation vessel, comprising:
A) a base defining an interior space at least for separating one liquid phase from another liquid phase, wherein the base
comprises a coalescer positioned in the interior space;

B) a stack adapted to receive a fluid comprising one or more phases and coupled to the base; wherein the stack defines a void
and consists of:

1) one or more walls surrounding the void;
2) a first distributor positioned within the void; and
3) a second distributor positioned above the first distributor and at least one spray nozzle coupled to the second distributor;
and

wherein a portion of the void within the stack that is between the first distributor and the second distributor is open such
that gas is free to pass upwards between the first distributor and the at least one spray nozzle and liquid is free to pass
downwards between the at least one spray nozzle and the first distributor.

US Pat. No. 9,453,169

PROCESS FOR CONVERTING FISCHER-TROPSCH LIQUIDS AND WAXES INTO LUBRICANT BASE STOCK AND/OR TRANSPORTATION FUELS

UOP LLC, Des Plaines, IL...

1. An apparatus for converting a Fischer-Tropsch liquid and a Fischer-Tropsch wax into lubricant base stock and/or transportation
fuels, the apparatus comprising:
a source of a Fischer-Tropsch wax in upstream communication with a first conduit;
a first isomerization unit in downstream communication with the first conduit and in upstream communication with a second
conduit;

a fractionation column in downstream communication with the second conduit;
a source of a Fischer-Tropsch liquid in upstream communication with the second conduit; and
a hydrocracking unit in downstream communication with the fractionation column.

US Pat. No. 9,370,758

PROCESS FOR TRANSFERRING CATALYST AND AN APPARATUS RELATING THERETO

UOP LLC, Des Plaines, IL...

1. A process for transferring catalyst in a fluid catalytic cracking apparatus, comprising:
passing the catalyst through a conveyor wherein the conveyor contains a screw for transporting the catalyst, wherein the screw
comprises a shaft adapted to receive cooling water.

US Pat. No. 9,353,319

METHODS FOR PRODUCING DIESEL RANGE MATERIALS HAVING IMPROVED COLD FLOW PROPERTIES

UOP LLC, Des Plaines, IL...

1. A method for producing a diesel range material having improved cold flow properties, the method comprising the steps of:
providing a waxy diesel range feedstock;
hydrotreating the waxy diesel range feedstock at a temperature of less than 300° C. to produce an intermediary product stream,
containing a predetermined amount of oxygenated organocompounds ranging from about 200 to about 2000 parts per million by
weight oxygen in a liquid portion of the intermediary product stream, from the waxy diesel range feedstock; and

contacting the intermediary product stream with a dewaxing catalyst under process conditions at which the oxygenated organocompounds
chemically interact with the dewaxing catalyst to convert a portion of the n-paraffins within the intermediary product stream
to iso-paraffins while minimizing cracking of the diesel range material.

US Pat. No. 9,302,956

PROCESS FOR INCREASING THE YIELD OF AN ISOMERIZATION ZONE FRACTIONATION

UOP LLC, Des Plaines, IL...

1. A process for increasing the yield of normal paraffins in an isomerization zone, the process comprising:
separating a portion of C6 cyclic hydrocarbons from a naphtha stream comprising C5+ hydrocarbons to provide a C6 cyclic hydrocarbons
lean stream;

separating iC5 paraffinic hydrocarbons and iC6 paraffinic hydrocarbons from the C6 cyclic hydrocarbons lean stream;
passing a feed stream comprising at least one stream being rich in iC5 paraffinic hydrocarbons, iC6 paraffinic hydrocarbons
to an isomerization zone containing a chlorided alumina catalyst to disproportionate at least two iC5 and/or iC6 paraffinic
hydrocarbons to produce iC4 paraffinic hydrocarbons, and isomerize the produced iC4 paraffinic hydrocarbons, iC5 and iC6 isoparaffins
to normal paraffins;

converting the C6 cyclic hydrocarbons to straight chain hydrocarbons in a ring opening reactor;
separating a reactor effluent from the ring opening reactor into a plurality of streams, at least one stream from the plurality
of streams comprising n-pentane, iC5 hydrocarbons, n-hexane, and iC6 hydrocarbons; and,

combining the at least one stream from the plurality of streams comprising n-pentane, iC5 hydrocarbons, n-hexane, and iC6
hydrocarbons with the C6 cyclic hydrocarbons lean stream.

US Pat. No. 9,234,142

PROCESS AND APPARATUS FOR HYDROPROCESSING WITH TWO PRODUCT FRACTIONATORS

UOP LLC, Des Plaines, IL...

1. A hydroprocessing apparatus comprising:
a hydroprocessing reactor;
a cold stripping column in communication with the hydroprocessing reactor for stripping a cold hydroprocessing effluent stream;
a hot stripping column in communication with the hydroprocessing reactor for stripping a hot hydroprocessing effluent stream;
a light fractionation column in communication with said cold stripping column;
a heavy fractionation column in communication with said hot stripping column; and
a diesel product stream line in communication with a side cut outlet of said heavy fractionation column;
wherein said light fractionation column and said heavy fractionation column are two distinct fractionation columns.

US Pat. No. 9,266,058

HIGH SELECTIVITY POLYIMIDE MEMBRANE FOR NATURAL GAS UPGRADING AND HYDROGEN PURIFICATION

UOP LLC, Des Plaines, IL...

1. A process for separating at least one gas from a mixture of gases using a polyimide membrane comprising a polyimide polymer
with hydroxyl and acetoxy functional groups the molar ratio of said hydroxyl functional groups to said acetoxy functional
groups is in a range of 1:1 to 8:1, said process comprising:
(a) providing said polyimide membrane comprising said polyimide polymer with hydroxyl and acetoxy functional groups which
is permeable to said at least one gas;

(b) contacting the mixture on one side of the polyimide membrane to cause said at least one gas to permeate the membrane;
and

(c) removing from the opposite side of the membrane a permeate gas composition comprising a portion of said at least one gas
which permeated said polyimide membrane;

wherein said polyimide polymer comprises a plurality of repeating units of formula (I), wherein formula (I) is
wherein n and m are independent integers from 20 to 500; wherein n:m is in a range of 1:1 to 8:1.
US Pat. No. 9,079,846

PROCESS FOR OXIDIZING IMPURITIES IN CRUDE TEREPHTHALIC ACID

UOP LLC, Des Plaines, IL...

1. A process for oxidizing crude terephthalic acid comprising:
contacting solid crude terephthalic acid with a solvent comprising a carboxylic acid and one or more of an ionic liquid or
ammonium acetate; a bromine source; a catalyst; and an oxidizing agent to produce solid purified terephthalic acid at a temperature
of about 100 to about 210° C., and a pressure of about 2 to about 4.5 MPa, for a time of about 5 to about 60 min; and

recovering the solid purified terephthalic acid.

US Pat. No. 9,422,487

PROCESS FOR FLUID CATALYTIC CRACKING AND HYDROCRACKING HYDROCARBONS

UOP LLC, Des Plaines, IL...

1. A process for catalytically cracking hydrocarbons comprising:
feeding a hydrocarbon feed stream to an FCC reactor and contacting said hydrocarbon feed stream with catalyst to catalytically
crack said hydrocarbon feed stream to provide a cracked stream;

disengaging said catalyst from said cracked stream;
fractionating said cracked stream into products including a slurry oil stream from a bottom of a main fractionation column;
separating said slurry oil stream in a separator into a cycle oil stream and a heavy stream under vacuum pressure, comprising
condensing a separator overhead stream from an overhead of said separator, separating said condensed overhead stream in a
receiver and taking said cycle oil stream from a bottom of said receiver; and

hydrocracking at least a portion of said cycle oil stream over hydrocracking catalyst to provide an upgraded stream.

US Pat. No. 9,302,955

SYSTEMS AND METHODS FOR SEPARATING XYLENE ISOMERS USING SELECTIVE ADSORPTION

UOP LLC, Des Plaines, IL...

1. A method for separating a selected xylene isomer comprising the steps of:
separating a feed stream comprising a plurality of aromatic hydrocarbons into a first stream comprising toluene and isomers
of xylene, and a second stream comprising isomers of xylene;

separating, in a first zone of a multi-zone separation apparatus, the first stream into a third stream comprising toluene
and a fourth stream comprising isomers of xylene;

combining the second stream and the third stream in an adsorptive separation unit comprising an adsorbent configured to adsorb
the selected xylene isomer from the second stream, wherein the third stream desorbs the selected xylene isomer from the adsorbent
to produce a fifth stream comprising the selected xylene isomer and toluene and a sixth stream comprising non-selected xylene
isomers and toluene; and

separating, in a second zone of the multi-zone separation apparatus, the sixth stream into a seventh stream comprising the
non-selected xylene isomers and the third stream comprising toluene.

US Pat. No. 9,279,087

MULTI-STAGED HYDROPROCESSING PROCESS AND SYSTEM

UOP LLC, Des Plaines, IL...

1. A method of processing a hydrocarbonaceous feed stock flow having a predetermined entering flow rate comprising the steps
of:
providing two or more hydroprocessing stages disposed in sequence and in fluid communication, each hydroprocessing stage having
a hydroprocessing reaction zone with a hydrogen requirement and each stage disposed to receive a process flow and to produce
a hydroprocessed effluent;

separating the hydrocarbonaceous feed stock flow boiling above about 150° C. into portions of fresh feed for each hydroprocessing
stage;

supplying a first portion of fresh feed with hydrogen from a hydrogen source in an amount sufficient to satisfy substantially
all of the hydrogen requirements of all the hydroprocessing stages;

passing the hydrogen enriched first portion of fresh feed as a process flow through the first hydroprocessing stage to form
a hydroprocessed effluent;

supplying each of the subsequent hydroprocessing stages with a process flow including a hydroprocessed effluent of the preceding
hydroprocessing stage mixed with the fresh feed for that stage, wherein the fresh feed is about the same temperature as the
first portion of the fresh feed stock and the volume of the hydroprocessed effluent exceeding the volume of the portion of
fresh feed; and

passing each process flow through each subsequent hydroprocessing stage to form a hydroprocessed effluent, the hydrogen requirement
for each hydroprocessing stage supplied from the process flow into the hydroprocessing stage without any additional quench.

US Pat. No. 9,376,633

PROCESS AND APPARATUS FOR DISTRIBUTING FLUIDIZING GAS TO AN FCC RISER

UOP LLC, Des Plaines, IL...

1. A fluid catalytic process comprising:
feeding a stream of fluidizing gas to a plenum;
distributing a first stream of fluidizing gas from said plenum into a chamber in a riser;
distributing a second stream of fluidizing gas from said plenum into said riser outside of said chamber;
injecting a hydrocarbon feed stream into said riser;
feeding a first stream of catalyst to said riser to contact said hydrocarbon feed stream; and
passing said hydrocarbon feed stream and said first stream of catalyst up said riser.

US Pat. No. 9,328,299

NAPHTHA CRACKING

UOP LLC, Des Plaines, IL...

1. A process for producing light olefins, comprising:
passing a straight run naphtha stream to a first separation column to generate a first light stream comprising methylcyclopentane,
and C5? hydrocarbons and a first heavy stream comprising cyclohexane, and C7+ heavier hydrocarbons;

passing the first heavy stream to a hydrotreating unit to remove sulfur and other catalyst poisonous impurities to generate
a treated heavy stream;

passing the treated heavy stream to a second separation unit to generate an extract stream comprising heavier normal paraffins
and a raffinate stream comprising cyclohexane and non-normal hydrocarbons;

passing the extract stream, the first light stream to a cracking unit to generate light olefins; and
passing the raffinate stream and a cracker heavy stream from a heavy cracking unit to a catalytic reforming unit to produce
a product with an increased amount of aromatics.

US Pat. No. 9,150,485

PROCESS FOR CONTROLLING REACTION AND CRYSTALLIZATION SOLVENT COMPOSITION IN PROCESS FOR PRODUCTION OF AROMATIC CARBOXYLIC ACID

UOP LLC, Des Plaines, IL...

1. A process for oxidizing an alkyl aromatic compound comprising:
contacting the alkyl aromatic compound, a first solvent comprising an ionic liquid and a carboxylic acid, a bromine source,
a catalyst, and an oxidizing agent in a reaction zone under oxidizing conditions to produce an oxidation product comprising
aromatic carboxylic acid, and at least one of dissolved unoxidized alkyl aromatic compound or dissolved partially oxidized
alkyl aromatic compound, at least 25% of the aromatic carboxylic acid remaining in solution;

crystallizing at least a portion of the aromatic carboxylic acid in a crystallization zone to produce a solid product comprising
a crystallized aromatic carboxylic acid and a mother liquor liquid comprising the first solvent, and the at least one of unoxidized
alkyl aromatic compound or partially oxidized alkyl aromatic compound and optionally aromatic carboxylic acid in solution;

separating the solid product from the mother liquor liquid;
separating the mother liquor liquid into a volatile portion comprising one or more of the carboxylic acid, the bromine source,
and water, and a nonvolatile portion aromatic compound or dissolved partially oxidized alkyl aromatic compound;

optionally introducing one or more of additional ionic liquid, additional carboxylic acid, additional bromine source, or additional
ammonia or ammonium compound into the nonvolatile portion; and

recycling at least a portion of the nonvolatile portion to the first reaction zone.
US Pat. No. 9,068,127

PROCESS FOR REMOVING SULFUR COMPOUNDS FROM VACUUM GAS OIL

UOP LLC, Des Plaines, IL...

1. A process for removing nitrogen compounds and sulfur compounds from a vacuum gas oil comprising:
(a) contacting the vacuum gas oil comprising the nitrogen and sulfur compounds, with a vacuum gas liquid-immiscible phosphonium
ionic liquid to produce a mixture comprising the vacuum gas oil and the vacuum gas liquid-immiscible phosphonium ionic liquid
to remove said nitrogen compounds;

(b) then contacting said vacuum gas oil with a vacuum gas oil-immiscible phosphonium ionic liquid to produce a mixture comprising
the vacuum gas oil and the vacuum gas liquid-immiscible phosphonium ionic liquid to remove said sulfur compounds; and

(c) separating the mixture to produce a vacuum gas oil effluent and a vacuum gas oil-immiscible phosphonium ionic liquid effluent,
the vacuum gas liquid-immiscible phosphonium ionic liquid effluent comprising the nitrogen and sulfur compounds wherein said
vacuum gas oil is contacted with said vacuum gas liquid-immiscible phosphonium ionic liquid before said vacuum gas oil undergoes
hydrotreating.

US Pat. No. 9,452,956

PROCESSES FOR SEPARATING AN ISOBUTANE RECYCLE STREAM FROM A MIXED C4 STREAM

UOP LLC, Des Plaines, IL...

1. A process for converting hydrocarbons, the process comprising:
dehydrogenating isobutane to provide an isobutene rich stream in a dehydrogenation zone;
reacting isobutene with methanol to provide an effluent stream, the effluent stream comprising methyl tert-butyl ether;
separating a methyl tert-butyl ether product stream from a C4 stream, the C4 stream comprising 1-butene and 2-butene;
hydrogenating at least a portion of the C4 stream in a hydrogenation zone to provide a hydrogenated effluent, wherein the
hydrogenation zone is operated to fully hydrogenate all olefins and dienes;

separating the hydrogenated effluent, using a rerun column, into an isobutane recycle stream, a normal paraffin stream comprising
normal butane, and a propane stream; and,

recycling the isobutane recycle stream to the dehydrogenation zone.
US Pat. No. 9,321,714

PROCESSES AND CATALYSTS FOR CONVERSION OF 2,5-DIMETHYLFURAN DERIVATIVES TO TEREPHTHALATE

UOP LLC, Des Plaines, IL...

1. A process of making terephthalic acid or a derivative of terephthalic acid comprising:
reacting a diester derivative of 2,5-dimethylfuran, with a dienophile containing an unsaturated 2-carbon unit, in the presence
of a catalyst comprising a metal oxide having Brönsted acidity to form a para-xylene derivative and wherein the catalyst further
comprises a metal promoter; and

optionally reacting the para-xylene derivative to terephthalic acid.

US Pat. No. 9,296,866

HIGH HYDROCARBON RESISTANT CHEMICALLY CROSS-LINKED AROMATIC POLYIMIDE MEMBRANE FOR SEPARATIONS

UOP LLC, Des Plaines, IL...

1. A chemically cross-linked aromatic polyimide polymer comprising a formula (I) wherein formula (I) is represented by the
following formula:

wherein R is —COCH3 or,


and mixtures thereof; X1, X2, X3, and X4 are selected from the group consisting of

and mixtures thereof respectively; Y2 is selected from the group consisting of

and mixtures thereof, and —R?— is selected from the group consisting of

and mixtures thereof; Y1 and Y3 are selected from the group consisting of

and mixtures thereof;n, m, n? and m? are independent integers from 2 to 500; n/m is in a range of 1:100 to 100:1; and n?/m? is in a range of 1:100
to 100:1.
US Pat. No. 9,283,533

CATALYST REGENERATORS AND METHODS FOR REGENERATING CATALYSTS

UOP LLC, Des Plaines, IL...

1. A method of regenerating a catalyst comprising the steps of:
combusting coke from the catalyst in a second stage regenerator to produce a second flue gas, wherein the second stage regenerator
comprises a second combustion chamber and a top with a top cross-sectional area;

partially combusting the coke from the catalyst in a first stage regenerator, wherein the first stage regenerator comprises
a first combustion chamber with a first combustion chamber cross-sectional area greater than the top cross-sectional area,
wherein the first stage regenerator is positioned above the second stage regenerator, and wherein the top separates the first
combustion chamber and the second combustion chamber such that the first combustion chamber comprises a cylindrical section
directly over the top and an annular section surrounding the cylindrical section;

venting the second flue gas into the first stage regenerator through a vent tube, wherein the vent tube comprises a discharge
point; and

dispersing a portion of the second flue gas into the annular section of the first combustion chamber by positioning the discharge
point within the annular section, by venting the second flue gas from a side spout of the vent tube, or a combination thereof.

US Pat. No. 9,174,892

PROCESS FOR INCREASING A MOLE RATIO OF METHYL TO PHENYL

UOP LLC, Des Plaines, IL...

1. A process for increasing a mole ratio of methyl to phenyl of one or more aromatic compounds in a feed, comprising:
reacting an effective amount of one or more aromatic compounds and an effective amount of one or more aromatic methylating
agents comprising at least one of an alkane, a cycloalkane, an alkane radical, and a cycloalkane radical in the presence of
a catalyst consisting essentially of a MFI zeolite, an inorganic oxide binder, and an amount of Nickel metal of less than
0.1% by weight based on the weight of the catalyst at a temperature of less than 450° C. to form a product having a mole ratio
of methyl to phenyl of at least about 0.1:1 greater than the feed.

US Pat. No. 9,162,943

METHOD OF CONVERTING A COAL TO CHEMICALS

UOP LLC, Des Plaines, IL...

1. A method of processing a coal tar feed stock to produce aromatics and to increase olefin production comprising:
providing a coal tar stream by pyrolyzing coal;
hydrotreating the coal tar stream in the presence of a catalyst including at least one group VIII metal and at least one group
VI metal and alumina to remove one or more of sulfur, nitrogen, and oxygen from the coal tar stream and to saturate aromatics
and hydrocarbons with triple bonds and double bonds to produce a hydrotreated coal tar stream;

converting the hydrotreated coal tar feed stock to a conversion product comprising olefins, paraffins, aromatics, and non-aromatics
C6+hydrocarbons;

separating the conversion product to produce an olefin stream, a light paraffin stream having five or fewer carbon atoms,
an aromatics stream, and a heavy hydrocarbon stream containing C6+hydrocarbons;

dehydrogenating a first portion of the light paraffin stream in the presence of a catalyst containing a platinum group metal
to produce additional olefins;

reforming the heavy hydrocarbon stream by contacting the non-aromatic C6+ hydrocarbons with a catalytic reforming catalyst to produce aromatic hydrocarbon compounds; and

contacting the olefin stream and a second portion of the light paraffin stream with a catalyst to dehydrogenize, oligomerize,
and cyclize the olefins and the C5?paraffins, to form aromatic hydrocarbon compounds.

US Pat. No. 9,102,578

CATALYTIC ISOMERIZATION OF PARAFFINS USING IONIC LIQUIDS

UOP LLC, Des Plaines, IL...

1. A hydrocarbon conversion process comprising:
isomerizing a hydrocarbon feed comprising normal Cn alkane or branched Cn alkane wherein n=5-12 by contacting the hydrocarbon feed with a liquid catalyst in a reaction zone under isomerization conditions
to form a product mixture comprising at least about 10 wt % branched Cn alkanes if the hydrocarbon feed was the normal Cn alkane or at least about 2 wt % normal Cn alkanes if the hydrocarbon feed was the branched Cn alkane in 1 hr based on the normal Cn alkane or branched Cn alkane in the hydrocarbon feed, wherein the liquid catalyst comprises an unsupported ionic liquid and a carbocation promoter
comprising a haloalkane, and wherein a mass ratio of liquid catalyst to hydrocarbon feed is less than 0.75:1;

wherein the ionic liquid comprises an organic cation selected from the group consisting of:

where R5-R11 and R18-R21 are independently selected from C1-C20 hydrocarbons, C1-C20 hydrocarbon derivatives, halogens, and H;

wherein the ionic liquid comprises an anion selected from the group consisting of AlCl4?, Al2Cl7?, Al3Cl10?, AlCl3Br?, Al2Cl6Br?, Al3Cl9Br?, AlBr4?, Al2Br7?, Al3Br10?, GaCl4?, Ga2Cl7?, Ga3Cl10?, GaCl3Br?, Ga2Cl6Br?, Ga3Cl9Br?, CuCl2?, Cu2Cl3?, Cu3Cl4?, ZnCl3?, FeCl3?, FeCl4?, Fe3Cl7?, PF6?, and BF4?;

wherein the haloalkane comprises 2-chloro-2-methylpropane, 2-chloropropane, 2-chlorobutane, 2-chloro-2-methylbutane, 2-chloropentane,
1-chlorohexane, 3-chloro-3-methylpentane, or combinations thereof; and

disproportionating the hydrocarbon feed concurrently with the isomerizing of the hydrocarbon feed.

US Pat. No. 9,068,126

METHODS FOR DEOXYGENATING BIOMASS-DERIVED PYROLYSIS OIL

UOP LLC, Des Plaines, IL...

1. A method for deoxygenating a biomass-derived pyrolysis oil, the method comprising the steps of:
combining a biomass-derived pyrolysis oil stream with a heated low-oxygen-pyoil diluent recycle stream to form a heated diluted
pyoil feed stream that has a feed temperature of about 150° C. or greater; and

contacting the heated diluted pyoil feed stream with a first deoxygenating catalyst in the presence of hydrogen at first hydroprocessing
conditions effective to form a low-oxygen biomass-derived pyrolysis oil effluent.

US Pat. No. 9,162,952

PROCESS FOR PURIFYING PRODUCTS FROM COAL TAR

UOP LLC, Des Plaines, IL...

1. A process for extracting at least one product from coal tar comprising:
providing a coal tar fraction having a boiling point in a range of about 180° C. to about 230° C.;
separating the coal tar fraction having the boiling point in the range of about 180° C. to about 230° C. into an acidic portion
and a non-acidic portion by contacting the coal tar fraction having the boiling point in the range of about 180° C. to about
230° C. with a caustic compound, the acidic portion comprising a mixture of phenols, cresols, and xylenols, and the non-acidic
portion comprising naphthalenes and naphthalene coboilers;

separating the acidic portion into a product cresol portion comprising a mixture of cresols and a product xylenol portion
comprising a mixture of xylenols by contacting the acidic portion with a cresol adsorbent comprising discrete crystallites
of less than 1.8 ?m, the cresol adsorbent having less than 10 wt % amorphous binder component, and desorbing the product cresol
portion from the cresol adsorbent with a cresol desorbent, or

separating the non-acidic portion into a product naphthalene portion comprising aromatic hydrocarbons having two aromatic
rings and a product naphthalene co-boiler portion comprising aromatic hydrocarbons having one aromatic ring by contacting
the non-acidic portion with a naphthalene adsorbent comprising discrete crystallites of less than 1.8 ?m, the naphthalene
adsorbent having less than 10 wt % amorphous binder component, and desorbing the product naphthalene portion from the naphthalene
adsorbent with a naphthalene desorbent,

or both.
US Pat. No. 9,505,683

REMOVAL OF SULFUR COMPOUNDS FROM NATURAL GAS STREAMS

UOP LLC, Des Plaines, IL...

1. A process for treating a natural gas stream comprising:
a) sending said natural gas stream to an adsorbent guard bed to remove mercury to produce a first stream;
b) sending the first stream to a solvent absorbent bed unit to remove carbon dioxide and hydrogen sulfide to produce a second
stream;

c) sending the second stream to a second adsorbent bed to remove water and organic sulfur compounds to produce a third stream;
d) wherein after said second stream has passed to said second adsorbent bed, regenerating the second adsorbent bed with a
heated gas stream comprising said third stream to remove water and sulfur from the second adsorbent bed, then cooling and
drying said second adsorbent bed to further remove water and organic sulfur compounds.

US Pat. No. 9,234,145

HYDROPROCESSING AND APPARATUS RELATING THERETO

UOP LLC, Des Plaines, IL...

1. A hydroprocessing apparatus, comprising:
A) a vacuum distillation column;
B) a hydroprocessing reactor, comprising:
1) a first bed;
2) a second bed; and
3) a third bed; and
C) a plurality of lines, comprising:
1) a first line for withdrawing a first stream from a first location in the vacuum distillation column and communicating the
first stream downstream of the first bed; and

2) a second line for withdrawing a second stream from a second location in the vacuum distillation column and communicating
the second stream downstream of the second bed; wherein the first location is at a lower elevation on the vacuum distillation
column than the second location.

US Pat. No. 9,222,034

PROCESS FOR REMOVING A PRODUCT FROM COAL TAR

UOP LLC, Des Plaines, IL...

1. A process for removing at least one product from coal tar comprising:
providing a coal tar stream;
removing at least one product from the coal tar stream by extraction with an extraction agent or adsorption with an adsorbent
to form a treated coal tar steam, the extraction agent comprising an amphiphilic block copolymer comprising at least two blocks
selected from polyethylene oxide blocks, polypropylene oxide blocks, butylene oxide blocks, silicone blocks, urethane blocks,
polyurethane ionomer blocks, acrylate ionomer blocks, polymethylacryate blocks, polyacrylic acid blocks, or polyvinylidene
chloride blocks and the adsorbent comprising exfoliated graphite oxide, thermally exfoliated graphite oxide or intercalated
graphite compounds;

recovering the at least one product; and
separating the treated coal tar stream into at least two fractions.

US Pat. No. 9,181,150

CATALYTIC DISPROPORTIONATION OF PENTANE USING IONIC LIQUIDS

UOP LLC, Des Plaines, IL...

1. A hydrocarbon conversion process comprising:
disproportionating a hydrocarbon feed comprising C5 alkanes by contacting the hydrocarbon feed with a liquid catalyst in a reaction zone under disproportionation conditions to
form a product mixture comprising at least about 5 wt % C4? alkanes, and at least about 5 wt % C6+ alkanes in 30 min based on the C5 alkanes in the hydrocarbon feed, wherein the liquid catalyst comprises an unsupported ionic liquid and a carbocation promoter,
and wherein a mass ratio of the liquid catalyst to the hydrocarbon feed is less than 0.75:1;

wherein the ionic liquid comprises an organic cation

where R1-R4 are independently selected from C1-C20 hydrocarbons, C1-C20 hydrocarbon derivatives, halogens, and H;

wherein the ionic liquid comprises an anion selected from the group consisting of AlCl4?, Al2Cl7?, Al3Cl10?, AlCl3Br?, Al2Cl6Br?, Al3Cl9Br?, AlBr4?, Al2Br7?, Al3Br10?, GaCl4?, Ga2Cl7?, Ga3Cl10?, GaCl3Br?, Ga2Cl6Br?, Ga3Cl9Br?, CuCl2?, Cu2Cl3?, Cu3Cl4?, ZnCl3?, FeCl3?, FeCl4?, Fe3Cl7?, PF6?, and BF4?; and

wherein the carbocation promoter comprises 2-chloro-2-methylpropane, 2-chloropropane, 2-chlorobutane, 2-chloro-2-methylbutane,
2-chloropentane, 1-chlorohexane, 3-chloro-3-methylpentane, or combinations thereof.

US Pat. No. 9,193,642

PROCESS FOR PRODUCTION OF DIALKYLBENZENES

UOP LLC, Des Plaines, IL...

1. A continuous process for the production of dialkylbenzene comprising:
contacting benzene, and a first feed comprising a first olefin and a first component in a first alkylation reaction zone under
alkylation conditions in the presence of a first alkylation catalyst comprising an amorphous fluoride silica-alumina to produce
a first effluent containing monoalkylbenzene and unreacted benzene, wherein the weight ratio of the first component to the
first olefin is at least 3:1;

separating the monoalkylbenzene from the first effluent; recycling at least a portion of the unreacted benzene to the first
reaction zone;

contacting the monoalkylbenzene with a second feed comprising a second olefin and a second component in a second alkylation
reaction zone under alkylation conditions in the presence of a second alkylation catalyst comprising a first zeolite comprising
UZM-8 zeolite and second zeolite comprising a rare earth substituted X zeolite, Y zeolite or a zeolite having an EMT/FAU intergrowth,
wherein the first and second zeolites are intermingled into a single catalyst particles to produce a second effluent containing
dialkylbenzene, wherein the weight ratio of the second component to the second olefin is at least 3:1; and

separating the dialkylbenzene from the second effluent;
wherein the first olefin, the second olefin, or both are either C10 to C13 olefins or C14 to C17 olefins, and the first component and the second component are either C10 to C13 paraffins or C14 to C17 paraffins, but are the different molecular weight range from the olefins.

US Pat. No. 9,193,644

PROCESS FOR SELECTIVELY DEALKYLATING AROMATIC COMPOUNDS

UOP LLC, Des Plaines, IL...

1. A process for selectively dealkylating aromatic compounds, comprising:
pyrolyzing a coal feed stream into a coke stream and a coal tar stream comprising aromatic compounds;
hydrotreating the coal tar stream in the presence of a hydrotreating catalyst comprising at least one of group VIII metals,
and at least one group VI metals to reduce a concentration of one or more of organic sulfur, nitrogen, and oxygen in the coal
tar stream, and to hydrogenate at least a portion of the aromatic compounds to naphthenes in the coal tar stream to produce
a hydrotreated coal tar stream;

hydrocracking the hydrotreated coal tar stream in the presence of a catalyst comprising amorphous silica-alumina bases or
low-level zeolite bases combined with one or more Group VIII or Group VIB metal hydrogenating components to further hydrogenate
the aromatic compounds and to crack at least one ring of multi-ring aromatic compounds to form single-ring aromatic compounds;
and

dealkylating the single-ring aromatic compounds in the presence of a dealkylating catalyst, the dealkylating catalyst being
a monometallic catalyst comprising at least one of a strong acid zeolite and a heteropolyacid to remove substantially all
alkyl groups containing two or more carbon atoms, while removing less than 10% of alkyl groups having only one carbon and
three hydrogen atoms.

US Pat. No. 9,193,920

METHODS FOR PRODUCING LINEAR ALKYLBENZENES FROM BIO-RENEWABLE FEEDSTOCKS

UOP LLC, Des Plaines, IL...

1. A method for producing a linear alkylbenzene product from a bio-renewable feedstock comprising a natural oil, the method
comprising the steps of:
hydrogenating, deoxygenating, isomerizing, and selectively hydrocracking the renewable feedstock in a hydrogenating-deoxygenating-isomerizing-selectively
hydrocracking unit containing a composite catalyst comprising a first portion comprising a catalyst comprising nickel or nickel/molybdenum
or cobalt, cobalt/molybdenum or sulfided NiMo supported on amorphous silica-alumina or platinum on amorphous silica-alumina
and a second portion comprising a catalyst comprising platinum and/or palladium on a support containing on Y-zeolite bound
with amorphous silica-alumina to produce a hydrocarbon mixture to produce a hydrocarbon mixture;

separating the hydrocarbon mixture into a naphtha portion and a distillate portion;
reforming the naphtha portion in the presence of a reforming catalyst to produce a reformate product containing benzene;
separating the reformate product in a high purity aromatics extraction separation unit by using a 2,3,4,5-tetrahydrothiophene-1,1-dioxide
solvent to extract benzene to produce a high purity benzene stream;

separating a normal paraffins portion from the distillate portion and dehydrogenating the normal paraffins portion to produce
mono-olefins; and

reacting the benzene and the mono-olefins in the presence of hydrogen fluoride or an aluminum chloride catalyst, or a solid
bed alkylation catalyst comprising fluoridated silica alumina or zeolites comprising one or more of FAU, MOR, UZM-8, Y, X
RE exchanged Y, RE exchanged X, amorphous silica-alumina, and mixtures thereof to produce the linear alkylbenzene product.

US Pat. No. 9,074,159

PROCESS FOR IMPROVING A RE-REFINED LUBE OIL STREAM

UOP LLC, Des Plaines, IL...

1. A process for improving a re-refined lube oil stream, the process comprising the steps of:
processing a feed stream in a hydrotreatment zone to provide the re-refined lube oil stream;
introducing a gas stream comprising hydrogen (H2) and the re-refined lube oil stream comprising no more than about 300 ppm, by weight, sulfur to a hydrogenation reactor containing
Group VIII catalyst comprising a metal selected from the group consisting of platinum, palladium, and mixtures thereof at
a gas to oil feed ratio rate of from about 30 to about 100 Nm3 H2/m3; and

hydrogenating the re-refined lube oil stream with the H2 in the hydrogenation reactor operating at hydrogenation conditions such that an effluent is formed containing hydrogenated
re-refined lube oil that has about 2 wt. % or less of aromatics, about 55 wt. % or less of naphthenes, and a viscosity index
of at least about 120, the hydrogenation conditions including a reactor temperature of from about 250 to about 300° C.

US Pat. No. 9,434,663

GLYCOLS REMOVAL AND METHANE CONVERSION PROCESS USING A SUPERSONIC FLOW REACTOR

UOP LLC, Des Plaines, IL...

1. A method for producing acetylene comprising:
introducing a feed stream comprising methane into a supersonic reactor;
pyrolyzing the methane in the supersonic reactor to form a reactor effluent stream comprising acetylene; and
treating at least a portion of the feed stream or the reactor effluent stream in a contaminant removal zone to remove glycols
from the feed stream or the reactor effluent stream that is contacted with an adsorbent material comprising one or more adsorbents
to remove said glycols.

US Pat. No. 9,297,580

TUBULAR CONDENSERS HAVING TUBES WITH EXTERNAL ENHANCEMENTS

UOP LLC, Des Plaines, IL...

1. A method of exchanging heat between a first fluid and a second fluid, the method comprising condensing the first fluid
on external surfaces of a tube bundle for a condenser comprising tubes, wherein at least a portion of the tubes, in an axially
extending section, have internal surfaces having a coating comprising a porous metallic matrix bonded thereon, and have external
surfaces comprising circumferentially extending fins, and passing the second fluid through the tubes wherein the circumferentially
extending fins have outer edges that include a plurality of notches and wherein the notches are bent at their respective corners
outside of the plane of the circumferentially extending fins.

US Pat. No. 9,150,464

METHODS AND APPARATUS FOR TREATING A HYDROCARBON STREAM

UOP LLC, Des Plaines, IL...

1. A method for treating a hydrocarbon stream comprising benzene, a nitrogen compound, an unsaturated aliphatic compound,
and water, the method comprising:
a) contacting the hydrocarbon stream with a water selective adsorbent comprising a zeolite selected from the group consisting
of zeolite A, zeolite X, and zeolite Y to remove at least a portion of the water from the hydrocarbon stream to form a stream
reduced with water;

b) contacting the stream reduced with water from step (a) with a nitrogen selective adsorbent comprising a basic zeolite at
contacting conditions to remove said nitrogen compound from the stream of step (a) to form a stream reduced with nitrogen
compound;

c) contacting the stream reduced with nitrogen compound of from step (b) with an unsaturated aliphatic compound removal material
to remove an unsaturated aliphatic compound from the hydrocarbon stream to produce a treated hydrocarbon stream;

d) contacting the treated hydrocarbon stream with an alkylation catalyst and ethylene under alkylation conditions to convert
at least a portion of the benzene to ethylbenzene to form an ethylbenzene hydrocarbon stream;

e) contacting the ethylbenzene hydrocarbon stream including ethylbenzene with a dehydrogenation catalyst under dehydrogenation
conditions to convert at least a portion of the ethylbenzene to styrene to form a styrene stream;

separating a benzene recycle stream from the styrene stream; and
introducing the benzene recycle stream as at least a portion of the hydrocarbon stream for treating thereof according to steps
a-c.

US Pat. No. 9,321,023

FLUID MIXING AND DISTRIBUTION DEVICE AND METHOD FOR MULTIBED REACTORS

UOP LLC, Des Plaines, IL...

1. A device for the mixing and distribution of fluid over the top of a reactor bed, comprising:
a collection tray having a top and a bottom, and having outlet ports therethrough;
a single mixing chamber in fluid communication with the collection tray outlet ports, and having a mixing chamber outlet;
a distribution tray in fluid communication with the mixing chamber outlet and having liquid outlet ports;
at least one vapor chimney within the mixing chamber and extending from a bottom of the mixing chamber providing fluid communication
between the mixing chamber and the distribution tray therebelow; and

an upper vapor chimney opening positioned within the mixing chamber and above a normal operation liquid level of the mixing
chamber.

US Pat. No. 9,233,905

OXIDATION AND CRYSTALLIZATION PROCESS FOR AROMATIC CARBOXYLIC ACID PRODUCTION

UOP LLC, Des Plaines, IL...

1. A process for oxidizing an alkyl aromatic compound comprising:
contacting the alkyl aromatic compound, a first solvent comprising at least one of a first ionic liquid solvent and a first
carboxylic acid solvent having a ratio of the first ionic liquid solvent to the first carboxylic acid solvent in a range of
0.1:1 to 10:1, a first bromine source, a first catalyst, and a first oxidizing agent in a first reaction zone at a temperature
of about 240° C. or less and a pressure in a range of about 0.69 MPa(g) (100 psig) to about 4.1 MPa(g) (600 psig) for less
than about 90 min to produce a first oxidation product comprising aromatic carboxylic acid, and at least one of unoxidized
alkyl aromatic compound or partially oxidized alkyl aromatic compound, at least 50% of the aromatic carboxylic acid remaining
in solution;

introducing the first oxidation product into a first crystallization zone;
controlling a composition of solvent in the first crystallization zone to maintain at least one of unoxidized alkyl aromatic
compound or partially oxidized alkyl aromatic compound in solution; and

crystallizing at least a portion of the aromatic carboxylic acid in the first crystallization zone to produce a first crystallized
aromatic carboxylic acid and a first mother liquor comprising the first crystallization zone solvent and the at least one
of unoxidized alkyl aromatic compound or partially oxidized alkyl aromatic compound and optionally aromatic carboxylic acid
in solution, the first crystallization zone being at a temperature of about 220° C. or less and a pressure in a range of about
0 MPa(g) (0 psig) to about 2.1 MPa(g) (300 psig).

US Pat. No. 9,302,958

PROCESS FOR INCREASING THE YIELD OF AN ISOMERIZATION ZONE

UOP LLC, Des Plaines, IL...

1. A process for increasing the yield of normal paraffins in an isomerization zone, the process comprising:
separating a portion of C6 cyclic hydrocarbons from a naphtha stream comprising C5+hydrocarbons to provide a C6 cyclic hydrocarbons
lean stream;

separating iC5 paraffinic hydrocarbons and iC6 paraffinic hydrocarbons from the C6 cyclic hydrocarbons lean stream to form
a iC5 paraffinic hydrocarbons and iC6 paraffinic hydrocarbons stream absence of C6 cyclic hydrocarbons;

passing the iC5 paraffinic hydrocarbons and iC6 paraffinic hydrocarbons stream absence of C6 cyclic hydrocarbons to an isomerization
zone containing a chlorided alumina catalyst to disproportionate at least two isoparaffinic hydrocarbons to produce different
isoparaffinic hydrocarbons, and isomerize the produced isoparaffinic hydrocarbons, iC5 and iC6 isoparaffins to normal paraffins
to form a product having a weight ratio of normal paraffins to methane of at least 75, and a weight percentage of normal paraffins
of at least 24.9%, wherein the weight ratio of normal paraffins to methane is controlled by maintaining the outlet molar ratio
of hydrogen to feed hydrocarbon of less than about 0.2 and the average temperature of the isomerization zone of at least approximately
176° C.

US Pat. No. 9,221,043

REGENERATION OF AN ACIDIC CATALYST BY BORANE ADDITION

UOP LLC, Des Plaines, IL...

1. A method for regenerating deactivated acidic catalyst containing conjunct polymer comprising:
contacting the deactivated acidic catalyst containing the conjunct polymer with at least one borane compound in a regeneration
zone under regeneration conditions, the acidic catalyst selected from the group consisting of sulfuric acid, hydrofluoric
acid, trifluoromethanesulfonic acid, phosphoric acid, boron trifluoride, and acidic ionic liquids, the conjunct polymer reacting
with the borane compound resulting in a catalyst phase and an organic phase containing the conjunct polymer and at least one
boryl compound.

US Pat. No. 9,434,662

INTEGRATED FLUID CATALYTIC CRACKING AND ALKYLATION PROCESS

UOP LLC, Des Plaines, IL...

1. An integrated fluid catalytic cracking (FCC) and alkylation process comprising:
contacting a heavy hydrocarbon feedstock with an FCC catalyst in a fluidized reactor zone at effective conditions to produce
an FCC effluent comprising light olefins and a range of hydrocarbons;

separating the FCC effluent in a separation zone to obtain at least a C4-rich hydrocarbons stream comprising isobutane and 1-butene, a gasoline stream comprising aromatics, and a propylene stream;

contacting the C4-rich hydrocarbons stream in an alkylation reaction zone with an alkylation catalyst under effective conditions to alkylate
isobutane and 1-butene to produce a reaction product mixture comprising dimethylhexanes and C9+ hydrocarbons;

contacting at least a portion of the reaction product mixture in an aromatization zone with a dehydrocyclization catalyst
under effective conditions to produce a dehydrocyclization effluent stream comprising xylenes;

introducing the dehydrocyclization effluent stream and at least a first portion of the gasoline stream to an aromatics separation
zone to obtain a xylenes-rich stream and an alkylate stream comprising isoheptane and isooctane;

mixing the alkylate stream with at least a second portion of the gasoline stream; and
recovering the propylene stream.

US Pat. No. 9,150,469

AROMATIC ALKYLATION PROCESS WITH REDUCED BYPRODUCT FORMATION

UOP LLC, Des Plaines, IL...

1. A method for transalkylating a hydrocarbon feed stream comprising first and second polyalkylated aromatic transalkylation
agents, the method comprising:
(a) separating the hydrocarbon feed stream to provide a first transalkylation feed stream enriched in the first polyalkylated
aromatic transalkylation agent and a second transalkylation feed stream enriched in the second polyalkylated aromatic transalkylation
agent,

wherein the first and second polyalkylated aromatic transalkylation agents are diisopropvlbenzene (DIPB) and triisopropvlbenzene
(TIPB) or the first and second polyalkylated aromatic transalkylation agents are diethylbenzene (DEB) and triethylbenzene
(TEB), and the second polyalkylated aromatic transalkylation agent is present in the hydrocarbon feed stream in an amount
of less than about 10% by weight;

(b) processing the second transalkylation feed stream through a first zeolite catalyst bed comprising Y zeolite or UZM-8 zeolite,
and subsequently a second zeolite catalyst bed comprising beta zeolite, downstream of the first zeolite bed, the first and
the second zeolite catalyst bed forming the first transalkylation reaction zone;

c) passing the first transalkylation feed stream to the second transalkylation reaction zone, the second transalkylation reaction
zone comprising the second zeolite catalyst bed; and

d) producing a second transalkylation reaction zone effluent having additional cumene.

US Pat. No. 9,890,335

METHODS AND SYSTEMS FOR REMOVING SULFUR COMPOUNDS FROM A HYDROCARBON STREAM

UOP LLC, Des Plaines, IL...

1. A method for removing sulfur compounds from a hydrocarbon stream that comprises the steps of:
steam stripping a mixed hydrocarbon stream to form a steam stripped overhead stream comprising naphtha and lighter hydrocarbons
and a steam stripped bottoms stream comprising naphtha and heavier hydrocarbons;

fractionating the steam stripped bottoms stream to form a fractionated overhead stream comprising naphtha hydrocarbons;
combining the steam stripped overhead stream with a portion of the fractionated overhead stream and an H2-rich makeup gas
stream; and

hydrodesulfurizing the combined stream to form an HDS reaction effluent stream.

US Pat. No. 9,181,500

PROCESS AND APPARATUS FOR RECYCLING CRACKED HYDROCARBONS

UOP LLC, Des Plaines, IL...

1. An apparatus for catalytically cracking hydrocarbons comprising:
a first hydroprocessing zone with a first inlet and a first outlet, the first inlet being in communication with a source of
a fresh hydrocarbon feed stream;

a second hydroprocessing zone with a second inlet and a second outlet, the second inlet being in selective downstream communication
with the first outlet;

an FCC reactor with an inlet and an outlet, the FCC reactor inlet in downstream communication with the first outlet and the
second outlet; and

a main fractionation column in downstream communication with the FCC reactor outlet; said main fractionation column having
a main outlet, the second inlet being in downstream communication with said main outlet.

US Pat. No. 9,150,470

PROCESS FOR CONTACTING ONE OR MORE CONTAMINATED HYDROCARBONS

UOP LLC, Des Plaines, IL...

1. A process, comprising:
A) contacting one or more contaminated hydrocarbons with a hydrogen gas stream in a flash feed separator to generate a first
liquid stream;

B) stripping the first liquid stream to generate a residue stream; and
C) separating the residue stream in a film generating evaporator to obtain a recovered distillate.

US Pat. No. 9,433,917

ALKYLATION UNIT AND PROCESS

UOP LLC, Des Plaines, IL...

1. An alkylation unit comprising:
an olefin source in fluid communication with a first isoparaffin-olefin admixture conduit and a second isoparaffin-olefin
admixture conduit;

an isoparaffin source in fluid communication with the first isoparaffin-olefin admixture conduit and the second isoparaffin-olefin
admixture conduit;

a first alkylation reactor in fluid communication with the first isoparaffin-olefin admixture conduit and an alkylation catalyst
feed conduit supplying an alkylation catalyst, the first alkylation reactor including a heat transfer device for removing
heat of reaction from the first alkylation reactor;

a second alkylation reactor having a plurality of reaction zones, a first reaction zone of the plurality of reaction zones
being in fluid communication with the first alkylation reactor for receiving an effluent of the first alkylation reactor,
a second reaction zone of the plurality of reaction zones being in fluid communication with the first reaction zone for receiving
a first reaction zone effluent, the second reaction zone of the plurality of reaction zones also being in fluid communication
with the second isoparaffin-olefin admixture conduit; and

a settler in fluid communication with the second alkylation reactor, the settler receiving an effluent of the second alkylation
reactor, the settler separating the effluent of the second alkylation reactor into a hydrocarbon stream and an alkylation
catalyst effluent stream.

US Pat. No. 9,156,028

ALKYLATION PROCESS USING PHOSPHONIUM-BASED IONIC LIQUIDS

UOP LLC, Des Plaines, IL...

1. A process for the alkylation of isoparaffins comprising:
passing an isoparaffin having from 4 to 10 carbon atoms to an alkylation reactor; and
passing an olefin having from 2 to 10 carbon atoms to the alkylation reactor, wherein the alkylation reactor is operated at
reaction conditions and has an unsupported liquid phosphonium based ionic liquid catalyst for reacting the olefin and the
isoparaffin to generate an alkylate, wherein the phosphonium based ionic liquid is a quaternary phosphonium haloaluminate,
which comprises a phosphonium based organic cation and an inorganic anion, having a structure of the form PR1R2R3R4 with P
being the phosphonium group and R1, R2, R3 and R4 being alkyl groups appended to the phosphonium group, and wherein R1, R2
and R3 are the same alkyl group containing between 3 and 6 carbon atoms and R4 is an alkyl group having from 4 to 12 carbon
atoms, and wherein the R4 alkyl group contains more carbon atoms than the R1, R2 and R3 alkyl groups, and wherein the boiling
point at atmospheric pressure of a compound HR4 is at least 30° C. greater than the boiling point at atmospheric pressure
of a compound HR1, and wherein the volume fraction of the phosphonium based ionic liquid catalyst is less than 30% of a reaction
mixture, and wherein the reaction mixture refers to a mixture of the phosphonium based ionic liquid catalyst and hydrocarbons
contained in the alkylation reactor.

US Pat. No. 9,079,176

REGENERATION OF AN ACIDIC IONIC LIQUID CATALYST BY ADDITION OF BRøNSTED ACIDS

UOP LLC, Des Plaines, IL...

1. A method for regenerating deactivated acidic ionic liquid catalyst containing conjunct polymer comprising:
contacting the deactivated acidic ionic liquid catalyst containing the conjunct polymer with at least one Brønsted acid in
a regeneration zone under regeneration conditions, the at least one Brønsted acid being derived from a mineral acid and containing
at least one organic group, resulting in a mixture comprising regenerated acidic ionic liquid catalyst, the at least one Brønsted
acid, and the released conjunct polymer; and

separating the released conjunct polymer from the regenerated acidic ionic liquid catalyst and the at least one Brønsted acid.
US Pat. No. 9,435,688

METHOD FOR QUANTITATION OF ACID SITES IN ACIDIC CATALYSTS USING SILANE AND BORANE COMPOUNDS

UOP LLC, Des Plaines, IL...

15. A method of quantifying an amount of Brønsted acid sites in an aluminum chloride-containing catalyst comprising:
contacting a known amount of at least one silane or borane compound with the aluminum chloride-containing catalyst, the Brønsted
acid sites in the aluminum chloride-containing catalyst reacting with the at least one silane or borane compound resulting
in an catalyst phase and a hydrocarbon phase comprising at least one silyl or boryl compound;

separating the catalyst phase from the hydrocarbon phase;
measuring an amount of the at least one silyl or boryl compound in the hydrocarbon phase using gas chromatography, infrared
spectroscopy, nuclear magnetic resonance spectroscopy, x-ray fluorescence, liquid chromatography, ion chromatography, or combinations
thereof;

determining the amount of Brønsted acid sites from the measured amount of the at least one silyl or boryl compound.
US Pat. No. 9,045,407

MIXTURES USED IN OXIDIZING ALKYL AROMATIC COMPOUNDS

UOP LLC, Des Plaines, IL...

1. A mixture for oxidizing an alkyl-aromatic compound comprising:the alkyl-aromatic compound, a solvent, a bromine source, and a catalyst;
wherein the solvent comprises a carboxylic acid having from 1 to 7 carbon atoms and an ionic liquid selected from the group
consisting of an imidazolium ionic liquid, a pyridinium ionic liquid, a phosphonium ionic liquid, a tetra alkyl ammonium ionic
liquid, and combinations thereof, wherein the solvent has a ratio of ionic liquid to carboxylic acid ranging from about 1:10
to about 10:1 by weight; and the catalyst comprises at least one of cobalt, titanium, manganese, chromium, copper, nickel,
vanadium, iron, molybdenum, tin, cerium, and zirconium.

US Pat. No. 9,045,408

PROCESS FOR OXIDIZING ALKYL-AROMATIC COMPOUNDS

UOP LLC, Des Plaines, IL...

1. A process for oxidizing an alkyl-aromatic compound comprising:
oxidizing the alkyl-aromatic compound to produce a first oxidation product;
contacting at least a portion of the first oxidation product, a solvent comprising an ionic liquid, a bromine source, a catalyst,
and an oxidizing agent to produce a second product comprising a mother liquor and at least one of an aromatic alcohol, an
aromatic aldehyde, an aromatic ketone, and an aromatic carboxylic acid wherein a temperature for contacting the first oxidation
product is lower than a temperature for oxidizing the alkyl-aromatic compound;

adding at least a portion of the mother liquor in the contacting step; and
wherein a cation of the ionic liquid is formed from a compound selected from imidazoles, pyrazoles, thiazoles, isothiazoles,
azathiozoles, oxothiazoles, oxazines, oxazolines, oxazaboroles, dithiozoles, triazoles, selenozoles, oxahospholes, pyrroles,
boroles, furans, thiphenes, phospholes, pentazoles, indoles, indolines, oxazoles, isothirazoles, tetrazoles, benzofuran, dibenzofurans,
benzothiophenes, dibenzothoiphenes, thiadiazoles, pyrdines, pyrimidines, pyrazines, pyridazines, piperazines, piperidines,
morpholines, pyrans, annolines, phthalazines, quinazolines, quinoxalines, or combinations thereof.

US Pat. No. 9,567,535

SLURRY HYDROCRACKING APPARATUS OR PROCESS

UOP LLC, Des Plaines, IL...

1. A slurry hydrocracking apparatus, comprising:
A) a slurry hydrocracking reaction zone providing an effluent comprising one or more hydrocarbons and a slurry hydrocracking
catalyst;

B) a vacuum fractionation zone receiving the effluent and providing a mixture comprising the slurry hydrocracking catalyst;
C) a filtration zone adapted to filter the mixture to provide a retentate comprising the slurry hydrocracking catalyst and
a filtrate comprising a pitch;

D) a line communicating the retentate from the filtration zone for recycling the retentate to the slurry hydrocracking reaction
zone; and E) another line for communicating a backwash from the vacuum fractionation zone with the filtration zone.

US Pat. No. 9,518,239

PROCESS FOR REMOVING SULFUR COMPOUNDS FROM NATURAL GAS STREAMS

UOP LLC, Des Plaines, IL...

1. A process for the treatment of a natural gas feed stream comprising:
passing a natural gas feed stream to a separation zone to separate carbon dioxide and hydrogen sulfide from the natural gas
feed stream to provide an at least partially cleaned stream;

passing the at least partially cleaned stream to a first adsorption zone to separate organic sulfur compounds and provide
a treated gas stream, wherein the first adsorption zone comprises one or more beds with a regenerable adsorbent;

regenerating the regenerable adsorbent of the first adsorption zone with a portion of the treated gas stream to provide an
organic sulfur rich stream; and,

passing the organic sulfur rich stream to a second adsorption zone to separate organic sulfur compounds and provide a re-treated
gas stream.

US Pat. No. 9,222,037

APPARATUSES AND METHODS FOR DEOXYGENATING BIOMASS-DERIVED PYROLYSIS OIL

UOP LLC, Des Plaines, IL...

1. A method for deoxygenating a biomass-derived pyrolysis oil, the method comprising the steps of:
dividing a feedstock stream comprising the biomass-derived pyrolysis oil and having a first temperature of about 60° C. or
less into portions including a first feedstock portion and a second feedstock portion;

combining the first feedstock portion with a heated co-feed organic liquid stream comprising alcohols, ethers, phenolic compounds,
or mixtures thereof to form a first heated diluted pyoil feed stream;

contacting the first heated diluted pyoil feed stream with a first deoxygenating catalyst in the presence of hydrogen in a
first reaction zone at first hydroprocessing conditions effective to form a first intermediate low-oxygen pyoil effluent;

combining the second feedstock portion with the first intermediate low-oxygen pyoil effluent to form a second heated diluted
pyoil feed stream; and

contacting the second heated diluted pyoil feed stream with a second deoxygenating catalyst in the presence of hydrogen in
a second reaction zone at second hydroprocessing conditions effective to form additional low-oxygen pyoil effluent, and wherein
the first and second deoxygenating catalysts are the same type or different types of catalyst.

US Pat. No. 9,517,447

PROCESSES FOR REMOVING CONTAMINANTS FROM A DEHYDROGENATION EFFLUENT

UOP LLC, Des Plaines, IL...

1. A process for removing contaminants from a reactor effluent of a catalyst dehydrogenation process, the process comprising:
dehydrogenating a paraffin feed in a dehydrogenation reaction zone under dehydrogenation reaction conditions in the presence
of a dehydrogenation catalyst to form a reactor effluent containing olefins;

compressing the reactor effluent to provide a compressed effluent;
removing chloride contaminants from the compressed effluent in a chloride removal zone to provide a treated effluent;
removing water and hydrogen sulfide from the treated effluent in a dryer zone to provide a dryer output stream including olefins
and unconverted paraffins, the dryer zone having at least one vessel comprising a regenerable adsorbent;

separating the dryer output stream into a vapor stream and a liquid stream comprising an olefin product stream;
regenerating the regenerable adsorbent in the dryer zone with a regenerant gas stream to produce a spent regenerant stream,
the spent regenerant stream including water and hydrogen sulfide; wherein the regenerant gas stream comprises a portion of
the reactor effluent;

removing the hydrogen sulfide from the spent regenerant stream in a regenerant cleaning zone to provide a cleaned regenerant
stream, the regenerant cleaning zone including at least two vessels having a sorbent to remove hydrogen sulfide from the spent
regenerant stream; wherein two vessels are operated in a lead-lag configuration; wherein at least one vessel is used as a
heat exchanger to remove heat from the cleaned regenerant stream to provide a cooled regenerant stream;

removing contaminants form the cooled regenerant stream; and
recycling the cooled regenerant stream to provide to the dryer as the regenerant gas stream.

US Pat. No. 9,370,783

APPARATUSES AND METHODS FOR GAS-SOLID SEPARATIONS USING CYCLONES

UOP LLC, Des Plaines, IL...

1. A cyclone for a gas-solid separator, the cyclone comprising:
a barrel having an interior;
a central hub disposed within the interior of the barrel;
a plurality of concentric annular sections disposed radially between the barrel and the central hub, each of the plurality
of annular sections being concentric with the barrel and the central hub;

swirl vanes extending radially into at least one of the plurality of annular sections to define a swirl chamber within said
at least one of the plurality of annular sections;

at least one solid particle outlet disposed at a lower end of the barrel;
a gas outlet in fluid communication with the interior of the barrel; and
at least one cylindrical partition disposed radially between an outer diameter of the central hub and an inner diameter of
the barrel.

US Pat. No. 9,138,738

PROCESSES FOR THE CONTINUOUS REGENERATION OF A CATALYST

UOP LLC, Des Plaines, IL...

1. A method for the continuous regeneration of a catalyst comprising:
passing a catalyst from a reaction zone to a regeneration zone, wherein the regeneration zone includes at least a burn zone
to remove coke from the catalyst;

recycling the catalyst from the regeneration zone back to the reaction zone; and,
further comprising at least one of the following:
cooling the catalyst in a catalyst cooling zone after the catalyst exits the burn zone while the catalyst flows through a
chloride, and,

dispersing a metal on the catalyst with chloride in a chlorination zone after the catalyst has left the catalyst cooling zone;
dispersing a metal on the catalyst in a chlorination zone of the regeneration zone,
drying the catalyst in a catalyst drying zone of the regeneration zone and wherein catalyst drying zone receives a heated
ambient oxygen,

removing a portion of the heated ambient oxygen from the catalyst drying zone,
passing the removed portion of the heated ambient oxygen to an oxygen heating zone,
heating the removed portion of the heated ambient oxygen in the oxygen heating zone to provide a reheated ambient oxygen,
and,

passing the reheated ambient oxygen into the chlorination zone, and wherein a flow rate of the heated ambient oxygen is capable
of being maintained while a flow rate of the reheated ambient oxygen is decreased;

heating the catalyst in a catalyst heating zone so that a temperature of the catalyst has increased after the catalyst has
flowed out of the burn zone,

passing a heated ambient oxygen to the catalyst heating zone; and,
removing a regeneration gas from the regeneration zone,
recovering a chloride from the regeneration gas, and
recycling the recovered chloride back to the regeneration zone.
US Pat. No. 9,079,816

PROCESS FOR PRODUCING ALKYLATED AROMATIC COMPOUNDS

UOP LLC, Des Plaines, IL...

1. A process for producing alkylated aromatic compounds, comprising:
pyrolyzing a coal feed to produce a coke stream and a coal tar stream;
hydrotreating the coal tar stream;
cracking the hydrotreated coal tar stream;
separating a portion of the cracked coal tar stream to obtain a fraction having an initial boiling point in the range of about
60° C. to about 180° C.;

extracting an aromatics-rich hydrocarbon stream by contacting the fraction with one or more solvents;
contacting the aromatics-rich hydrocarbon stream with an alkylating agent in the presence of an alkylation catalyst in an
alkylation zone to produce an alkylated aromatic stream, or contacting the aromatics-rich hydrocarbon stream with an aliphatic
compound or methanol in the presence of a methylation catalyst in a methylation zone to produce a methylated aromatic stream;
and

separating the alkylated aromatic stream, the methylated aromatic stream, or both into at least a benzene stream, a toluene
stream, and a xylenes stream.

US Pat. No. 9,045,384

PRODUCT RECOVERY FROM ADSORPTION-SEPARATION PURGE FLUIDS

UOP LLC, Des Plaines, IL...

1. A process for the adsorption-separation of a mixed-C8-aromatics feed stream into a meta-xylene product containing a defined ratio of meta-xylene to C8-aromatic impurities and a raffinate product, in which a head-flush purge fluid is removed from a process vessel containing
an adsorption bed and at least one equalization chamber, comprising:
a. passing an internal process fluid into the equalization chamber in a process vessel having at least one rounded head,
b. passing a head-flush fluid into the equalization chamber,
c. withdrawing a head-flush purge from the equalization chamber comprising varying ratios of meta-xylene and impurities,
d. measuring the contained ratio of meta-xylene to impurities in the purge,
e. distributing the purge through a valving system to:
i. a raffinate stream when the weight ratio of meta-xylene to impurities in the purge is less than the weight ratio in the
extract product, and

ii. an extract stream when the weight ratio of meta-xylene to impurities in the purge is substantially equal to or greater
than the weight ratio in the extract product, and,

f. repeating step e. according to the determination of the weight ratio of meta-xylene to impurities in the purge.

US Pat. No. 9,901,911

COHERENTLY GROWN COMPOSITE ALUMINOPHOSPHATE AND SILICOALUMINOPHOSPHATE MOLECULAR SIEVES

UOP LLC, Des Plaines, IL...

16. A method for synthesizing coherently grown composite of two zeotypes having a crystalline three-dimensional framework
of at least AlO2 and PO2 tetrahedral units, the two zeotypes selected from the group consisting of AFX, LEV, CHA, and ERI, the method comprising:
(a) preparing an aqueous mixture comprising water, a substituted hydrocarbon, and a 1-oxa-4-azacyclohexane derivative;
(b) reacting the aqueous mixture;
(c) obtaining a solution comprising an organo-1-oxa-4-azoniumcyclohexane compound, wherein the organo-1-oxa-4-azoniumcyclohexane
compound having the structure of Formula 1:

[bis-N,N?-diR9-(2,2?-diR1-2,2?-diR2-3,3?-diR3-3,3?-diR5-5,5?-diR8-1,1?-oxa-4,4?-azonium cyclohexane)-R10]2+2X?,

wherein R1-R9 are independently selected from H or an alkyl group having the formula CnH2n+1, where n is in the range from 1 to 4, X is halide or hydroxide, the total number of C atoms in the molecule is in the range
of 11 to 24, and R10 is an alkyl group having the formula CmH2m, where m is in the range from 3 to 8 and is connected to the 4 and 4? N atoms at positions x and y of the alkyl chain where
x and y are independently selected from 1 to m;

(d) forming a reaction mixture comprising reactive sources of Al, and P, and the solution; and
(e) heating the reaction mixture to form the molecular sieve.

US Pat. No. 9,809,763

PROCESS AND APPARATUS FOR RECOVERING HYDROTREATED HYDROCARBONS WITH TWO STRIPPERS

UOP LLC, Des Plaines, IL...

1. A hydrotreating process comprising:
hydrotreating a hydrocarbon feed stream in a hydrotreating reactor to provide hydrotreating effluent stream;
separating said hydrotreating effluent stream into a cold separator stream and a hot separator stream;
stripping said cold separator stream in a cold stripper column to provide a cold stripped stream;
stripping said hot separator stream in a hot stripper column to provide a hot stripped stream;
fractionating said hot stripped stream in a product fractionation column;
bypassing said cold stripped stream around said product fractionation column; and
recycling a condensed overhead stream from said product fractionation column to said cold stripper column.

US Pat. No. 9,328,295

EXTRACT RECYCLE IN A HYDROCARBON DECONTAMINATION PROCESS

UOP LLC, Des Plaines, IL...

7. A method of decontaminating a hydrocarbon feed containing a contaminant comprising:
contacting an ionic liquid with the hydrocarbon feed in a feed extraction zone to transfer the contaminant from the hydrocarbon
feed to the ionic liquid to form a decontaminated hydrocarbon stream and a rich ionic liquid stream, wherein the ionic liquid
is immiscible in a hydrocarbon;

contacting the rich ionic liquid stream with a recycle extract stream containing the contaminant in a contaminant extraction
zone to transfer at least a portion of the contaminant in the recycle extract stream to the rich ionic liquid;

separating an effluent from the contaminant extraction zone into a lean ionic liquid stream and an extract stream containing
the contaminant, wherein at least a portion of the extract stream containing the contaminant comprises the recycle extract
stream; and

recovering the decontaminated hydrocarbon stream and further comprising:
adding a solvent to the contaminant extraction zone, wherein the effluent from the contaminant extraction zone further comprises
the solvent wherein the solvent is miscible in the ionic liquid and immiscible in the hydrocarbon;

wherein the lean ionic liquid stream further comprises the solvent; and
removing the solvent from the lean ionic liquid stream.

US Pat. No. 9,133,037

PROCESSES FOR MAKING NANO ZEOLITES AND FOR RECOVERY OF NANO ZEOLITES FROM AN AQUEOUS SUSPENSION

UOP LLC, Des Plaines, IL...

1. A process for recovery of nano zeolites from an aqueous suspension, the process comprising the steps of:
applying centrifugal force to the aqueous suspension to separate a supernatant phase from a solid phase that comprises the
nano zeolites and residuals;

contacting the solid phase with little or no ion exchange with an aquenous solution comprising a solute selected from the
group consisting of NH4NO3, NH4Cl, NH4OH, and mixtures thereof effective to dissolve or digest the residuals and to agglomerate the nano zeolites forming agglomerated
nano zeolites wherein said contacting is for 0.5 to 2.0 hours; and

filtering the solution to recover the agglomerated nano zeolites.

US Pat. No. 9,096,485

CATALYTIC ISOMERIZATION OF HEPTANE USING IONIC LIQUIDS

UOP LLC, Des Plaines, IL...

1. A hydrocarbon conversion process comprising:
isomerizing a hydrocarbon feed comprising normal C7 alkane or branched C7 alkane by contacting the hydrocarbon feed with a liquid catalyst in a reaction zone under isomerization conditions to form
a product mixture comprising at least about 10 wt % branched C7 alkanes if the hydrocarbon feed was the normal C7 alkane or at least about 2 wt % normal C7 alkanes if the hydrocarbon feed was the branched C7 alkane in 1 hr based on the normal C7 alkane or branched C7 alkane in the hydrocarbon feed, wherein the liquid catalyst comprises an unsupported ionic liquid and a carbocation promoter
comprising a haloalkane, and wherein a mass ratio of the liquid catalyst to the hydrocarbon feed is less than 0.75:1;

wherein the ionic liquid comprises an organic cation selected from the group consisting of:

where R1-R21 are independently selected from C1-C20 hydrocarbons, C1C20 hydrocarbon derivatives, halogens, and H;

wherein the ionic liquid comprises an anion selected from the group consisting of AlCl4?, Al2Cl7?, Al3Cl10?, AlCl3Br?, Al2Cl6Br?, Al3Cl9Br?, AlBr4?, Al2Br7?, Al3Br10?, GaCl4?, Ga2Cl7?, Ga3Cl10?, GaCl3Br?, Ga2Cl6Br?, Ga3Cl9Br?, CuCl2?, Cu2Cl3?, Cu3Cl4?, ZnCl3?, FeCl3?, FeCl4?, Fe3Cl7?, PF6?, and BF4?;

wherein the haloalkane comprises 2-chloro-2-methylpropane, 2-chloropropane, 2-chlorobutane, 2-chloro-2-methylbutane, 2-chloropentane,
1-chlorohexane, 3-chloro-3-methylpentane, or combinations thereof; and

disproportionating the hydrocarbon feed concurrently with the isomerizing of the hydrocarbon feed.

US Pat. No. 9,074,145

DUAL STRIPPER COLUMN APPARATUS AND METHODS OF OPERATION

UOP LLC, De Plaines, IL ...

1. A dual stripper apparatus for a reactor, the reactor in fluid communication with a hot flash drum and a cold flash drum,
the dual stripper apparatus comprising:
a hot flash stripper column having a plurality of trays, the hot flash stripper column having a hot flash liquid inlet in
fluid communication with the hot flash drum, an overhead vapor outlet above the hot flash liquid inlet, a stripping medium
inlet, and a liquid bottoms outlet;

a cold flash stripper column having a plurality of trays, the cold flash stripper column having a cold flash liquid inlet
in fluid communication with the cold flash drum, the cold flash liquid inlet above an intermediate tray, the intermediate
tray between a top tray and a bottom tray, a vapor inlet in fluid communication with the overhead vapor outlet of the hot
flash stripper column, a stripping medium inlet, an overhead vapor outlet, a reflux inlet below the overhead vapor outlet,
and a liquid bottoms outlet; and

a receiver having an inlet and an outlet, the receiver inlet in fluid communication with the overhead vapor outlet of the
cold flash stripper column, and the receiver outlet being in fluid communication with the reflux inlet of the cold flash stripper
column.

US Pat. No. 9,809,766

PROCESS AND APPARATUS FOR PRODUCING AND RECYCLING CRACKED HYDROCARBONS

UOP LLC, Des Plaines, IL...

1. A process for catalytically cracking hydrocarbons comprising:
feeding a hydrocarbon feed stream to an FCC reactor and contacting said hydrocarbon feed stream with catalyst to catalytically
crack said hydrocarbon feed stream to provide a cracked stream;

disengaging said catalyst from said cracked stream;
fractionating said cracked stream into products including a slurry oil stream from a bottom of a main fractionation column;
heating said slurry oil stream;
separating said heated slurry oil stream into a cycle oil stream and a heavy stream under vacuum pressure.

US Pat. No. 9,809,662

POLYPROPYLENE PRODUCTION PROCESSES

UOP LLC, Des Plaines, IL...

1. A process for producing polypropylene from a propylene stream comprising less than 99.5% by volume of polypropylene, the
process comprising:
dehydrogenating a feed stream including propane in a dehydrogenation zone to provide an olefin steam, the olefin stream including
propylene and propane;

separating the olefin stream in a separation zone into a propylene stream and a propane stream, the propylene stream comprising
less than 99.5% by volume of propylene;

converting propylene from the propylene stream into polypropylene within a conversion zone;
adjusting an operating parameter of the separation zone to lower a purity of the propylene stream; and,
monitoring a purity of polypropylene from the conversion zone after the operating parameter of the separation zone has been
adjusted.

US Pat. No. 9,309,468

RECESSED GAS FEED DISTRIBUTOR PROCESS FOR FCC RISER

UOP LLC, Des Plaines, IL...

1. A fluid catalytic cracking process comprising:
delivering catalyst to a riser having a wall and a recess in said wall surrounding said riser, wherein said recess is defined
by a convex bulge in said wall;

feeding gaseous hydrocarbon feed to a feed distributor disposed in said recess, said feed distributor comprising a tubular
header having a round longitudinal axis, and an array of radially oriented nozzles extending from said header; and

directing said gaseous feed from said radially oriented nozzles in said header towards the center of the riser into contact
with said catalyst flowing upwardly in said riser.

US Pat. No. 9,302,952

ALKYLATION UNIT AND PROCESS RELATING THERETO

UOP LLC, Des Plaines, IL...

1. A process for separating an alkylation catalyst from one or more hydrocarbons comprising:
a) providing the one or more hydrocarbons and the alkylation catalyst to a an alkylation reaction zone;
b) providing an effluent from the alkylation reaction zone to a settler; and
c) receiving an effluent from the settler to a fractionation zone through a line wherein the line is coupled to a pipe to
remove a stream comprising at least a portion of a settled alkylation catalyst, and the line is orientated substantially horizontal
proximate to the pipe, wherein the stream is rich in or substantially alkylation catalyst.

US Pat. No. 9,283,531

SPLIT FEED REACTOR BED IN HYDROTREATER DEVICE

UOP LLC, Des Plaines, IL...

1. A hydrotreater reactor device comprising:
a reactor chamber including at least a first bed and a second bed, said reactor chamber further including a first input disposed
so as to provide a hydrocarbon stream to said first bed and a second input disposed so as to bypass said first bed and provide
a hydrocarbon stream to said second bed;

a differential temperature controller provided to measure a temperature difference across said first bed;
a control valve provided at said second input and connected to said differential temperature controller, wherein said control
valve is operable to adjust an amount of the hydrocarbon stream admitted through said second input based on the temperature
difference measured by said differential temperature controller;

a charge heater providing a hydrocarbon stream as an output through an output line, said output line including a split so
that a first branch of said output line is connected to said first input and in fluid communication with said first bed and
a second branch of said output line is connected to said second input and in fluid communication with said second bed; and

a restrictor positioned downstream of said split between said charge heater and said first input to control a pressure drop
at said first input.

US Pat. No. 9,227,167

PROCESS FOR CRACKING A HYDROCARBON FEED

UOP LLC, Des Plaines, IL...

1. A fluid catalytic cracking process, comprising:
a) receiving spent catalyst at a first elevation and regenerated catalyst at a second elevation in a riser of a reaction zone,
said riser having a top and a bottom, wherein the first elevation is lower than the second; and

b) providing a gaseous hydrocarbon feed through a gas distributor contained near the bottom of the riser in communication
with said hydrocarbon feed comprising an effective amount of one or more C4-C6 olefins for producing propylene, said hydrocarbon
feed including at least about 40% by mole C4 hydrocarbons, wherein at least a portion of said gaseous hydrocarbon feed is
provided below the first elevation.

US Pat. No. 9,205,393

REACTOR MULTI-PASS GRIDS FOR IMPROVED CATALYST HYDRODYNAMICS

UOP LLC, Des Plaines, IL...

1. A reactor for contacting a solid catalyst with fluid reactants comprising:
a vessel having a catalyst inlet, a catalyst outlet, a gas inlet and a gas outlet;
a plurality of grids, each having a cross-sectional area, disposed within the vessel and extend horizontally across the vessel,
and with a vertical spacing between pairs of grids, wherein each grid comprises:

a plurality of small openings of sufficient size to allow gas through and the catalyst particles through, wherein each small
opening has a small dimension between 5 and 25 mm;

and at least one large opening for allowing catalyst particles to flow freely through the grid, wherein each large opening
has a minimum small dimension of at least 75 mm; and wherein the small openings and large openings provide a total open area
between 50% and 90% of the grid cross-sectional area, and wherein the large opening comprises between 15% and 35% of the cross-sectional
area.

US Pat. No. 9,181,496

PROCESS FOR MODIFYING A FLUID CATALYTIC CRACKING UNIT, AND AN APPARATUS RELATING THERETO

UOP LLC, Des Plaines, IL...

1. A process for modifying a fluid catalytic cracking unit, comprising adding a carbon monoxide boiler to the fluid catalytic
cracking unit to receive a bypassed flue gas stream from a power recovery expander for increasing capacity of the fluid catalytic
cracking unit and adding a diverter valve upstream of the added carbon monoxide boiler.
US Pat. No. 9,096,618

REGENERATION OF SILYL AND BORYL COMPOUNDS

UOP LLC, Des Plaines, IL...

1. A method for regenerating at least one silyl or boryl compound comprising:
providing an organic phase comprising conjunct polymer and the at least one silyl or boryl compound;
chemically reducing the at least one silyl or boryl compound with a hydrogen containing compound in a silane or borane regeneration
zone under regeneration conditions to form at least one regenerated silane or borane compound and a metal salt compound; and

recovering the at least one regenerated silane or borane compound.

US Pat. No. 9,080,109

METHODS FOR DEOXYGENATING BIOMASS-DERIVED PYROLYSIS OIL

UOP LLC, Des Plaines, IL...

1. A method for deoxygenating a biomass-derived pyrolysis oil, the method comprising the steps of:
diluting the biomass-derived pyrolysis oil with a phenolic-containing diluent to form a diluted pyoil-phenolic feed; and
contacting the diluted pyoil-phenolic feed with a deoxygenating catalyst in the presence of hydrogen at hydroprocessing conditions
effective to form a low-oxygen biomass-derived pyrolysis oil effluent.

US Pat. No. 9,074,143

PROCESS FOR PRODUCING HYDROCARBON FUEL

UOP LLC, Des Plaines, IL...

1. A process for making hydrocarbon fuel comprising:
slurry hydrocracking a heavy feed to provide slurry hydrocracked products;
separating said slurry hydrocracked products to provide a pitch stream and a heavy VGO stream;
mixing at least a portion of said pitch stream with a solvent to dissolve a portion of the pitch in the solvent;
blending a dissolved portion of the pitch with at least a portion of the heavy VGO stream to provide a blended product that
meets RME 180/IFO 180 specification without subjecting it to further conversion; and

recovering the blended product as a hydrocarbon fuel to be burned in gas turbines or marine engines.

US Pat. No. 9,574,139

CONTAMINANT REMOVAL FROM HYDROCARBON STREAMS WITH LEWIS ACIDIC IONIC LIQUIDS

UOP LLC, Des Plaines, IL...

1. A process for removing a contaminant comprising at least one of sulfur and nitrogen from a hydrocarbon stream comprising:
contacting the hydrocarbon stream comprising the contaminant with a lean hydrocarbon-immiscible halometallate ionic liquid
and an organohalide or HCl resulting in a mixture comprising the hydrocarbon and a rich hydrocarbon-immiscible halometallate
ionic liquid comprising the contaminant wherein the hydrocarbon-immiscible halometallate ionic liquid comprises a haloaluminate
ionic liquid, a haloferrate ionic liquid, a halocuprate ionic liquid, a halozincate ionic liquid, or combinations thereof
and wherein the aloaluminate in said haloaluminate ionic liquid is selected from the group consisting of Al2Cl7?, Al3Cl10?, Al2Cl6Br, Al3Cl9Br, Al2Br7?, and Al3Br10; and

separating the mixture to produce a hydrocarbon effluent and a rich hydrocarbon-immiscible halometallate ionic liquid effluent
comprising the rich hydrocarbon-immiscible halometallate ionic liquid comprising the contaminant.

US Pat. No. 9,481,844

PROCESS AND ADSORBENT FOR REMOVAL OF DIOLEFINS AND OTHER CONTAMINANTS FROM LIQUEFIED PETROLEUM GAS

UOP LLC, Des Plaines, IL...

1. A process for reducing the diolefin and oxygenate content of a liquefied C2-C5 hydrocarbon, the process comprising feeding the liquefied hydrocarbon to a vessel containing a solid adsorbent disposed on
a support thereby adsorbing the diolefins and oxygenates on the adsorbent, wherein the support is a monolithic support and
solid adsorbent is disposed on microcells of the monolithic support and wherein the solid adsorbent is ZSM-5, ZSM-11, ZSM-12,
ZSM-23, ZSM-35, ZSM-38, or ZSM-48; and
passing the liquefied hydrocarbon of reduced diolefin and oxygenate content to an amine absorber unit, wherein the amine absorber
unit reduces the hydrogen disulfide content of the liquefied hydrocarbon with less foaming in the amine absorber unit as compared
to a liquefied hydrocarbon without reduced diolefin and oxygenate content.

US Pat. No. 9,327,265

PRODUCTION OF AROMATICS FROM A METHANE CONVERSION PROCESS

UOP LLC, Des Plaines, IL...

1. A method for producing aromatics comprising:
introducing a feed stream comprising methane into a supersonic reactor;
pyrolyzing the methane in the supersonic shock wave reactor to form a reactor effluent stream comprising acetylene and methane
acting as a diluent to the reactor effluent stream;

treating the reactor effluent stream by removing carbon dioxide to a level below about 1000 wt.-ppm of the hydrocarbon stream
to form a treated reactor effluent stream comprising acetylene and methane;

splitting the treated reactor effluent stream comprising acetylene and methane into a first portion and a second portion;
passing the first portion of the treated effluent stream comprising acetylene and methane to a butadiene reaction unit to
convert acetylene to an effluent stream comprising butadiene; and

passing the butadiene effluent stream and a second portion of the treated effluent stream comprising acetylene and methane
to a cyclization and aromatization reactor including a group VIII metal on a support to react the butadiene and acetylene
to form aromatic compounds including benzene, toluene, and a C8+aromatics.

US Pat. No. 9,328,298

NAPHTHA CRACKING

UOP LLC, Des Plaines, IL...

1. A process for optimizing the production of downstream operations in the production of light olefins and aromatics, comprising:
passing a first hydrocarbon stream to a first separation column to generate a first light stream comprising methylcyclopentane,
n-hexane, methyl-pentanes, dimethylbutane, and C5-hydrocarbons and a first heavy stream comprising cyclohexane, and C7+ heavier hydrocarbons;

passing the first heavy stream to a hydrotreating unit to remove sulfur and other catalyst poisonous impurities to generate
a treated heavy stream;

passing the treated heavy stream to a second separation unit to generate an extract stream comprising heavier normal paraffins
and a raffinate stream comprising cyclohexane, branched paraffins, naphthenes, aromatics;

passing the extract stream, the first light stream and a second hydrocarbon stream to a cracking unit, wherein the total flow
to the cracking unit is held constant; and

passing the raffinate stream to a catalytic reforming unit to produce a product with an increased amount of aromatics.
US Pat. No. 9,156,765

PROCESS FOR OXIDIZING ALKYL-AROMATIC COMPOUNDS

UOP LLC, Des Plaines, IL...

1. A process for oxidizing an alkyl-aromatic compound comprising:
contacting the alkyl-aromatic compound, a solvent comprising a precursor of at least one ionic liquid, wherein the ratio of
solvent to alkyl-aromatic compound in the mixture ranges from about 1:1 to about 10:1 by weight, wherein the solvent further
comprises a carboxylic acid, wherein the solvent has a ratio of the carboxylic acid to the ionic liquid within a range of
about 1:16 to 16:1 by weight, a bromine source, a catalyst, and an oxidizing agent to produce an oxidation product comprising
at least one of an aromatic alcohol, an aromatic aldehyde, an aromatic ketone, and an aromatic carboxylic acid.

US Pat. No. 9,157,032

PROCESS FOR OXIDIZING ONE OR MORE THIOL COMPOUNDS

UOP LLC, Des Plaines, IL...

1. A process for oxidizing one or more thiol compounds from an alkaline stream, comprising:
A) passing a mixed stream comprising the alkaline stream to an oxidation vessel comprising a body and a neck, wherein the
body contains one or more packing elements and the neck contains a packing, a distributor, and a mesh; and

B) passing an oxidized alkaline stream to a separation vessel containing a first chamber and a second chamber wherein the
first chamber contains a coated mesh.

US Pat. No. 9,157,037

PROCESS FOR IMPROVING FLOW PROPERTIES OF CRUDE PETROLEUM

UOP LLC, Des Plaines, IL...

1. A process for improving flow properties of crude, comprising:
processing a first crude stream including cracking said first crude stream with regenerated catalyst to produce spent catalyst,
a cracked stream comprising olefins, and a dry gas containing hydrogen;

separating said cracked stream from said spent catalyst;
separating a dry gas stream from said cracked stream;
hydrotreating olefins from said cracked stream with hydrogen from said dry gas stream over a hydrotreating catalyst to provide
a hydrotreated stream; and
mixing at least part of said hydrotreated stream with a second crude stream.

US Pat. No. 9,150,471

METHODS AND APPARATUSES FOR TREATING A HYDROCARBON-CONTAINING FEED STREAM

UOP LLC, Des Plaines, IL...

1. A method for treating a hydrocarbon-containing feed stream comprising C4, C5, C6, and/or C7 hydrocarbons, water, and residue-forming contaminants including oxygenates, sulfur compounds, or combinations thereof, the
method comprising the steps of:
selectively removing the water from the hydrocarbon-containing feed stream by contacting the hydrocarbon-containing feed stream
with a regenerated Linde Type A molecular sieve and selectively absorbing the water with the regenerated Linde Type A molecular
sieve to form a water-saturated molecular sieve substantially free of the contaminants and a dehydrated feed stream having
a water content of about 1 wt. ppm or less and a residue-forming contaminant content substantially equal to a residue-forming
contaminant content of the hydrocarbon-containing feed stream;

separating the water-saturated molecular sieve from the dehydrated feed stream;
regenerating the water-saturated molecular sieve at regenerative conditions effective to form the regenerated Linde Type A
molecular sieve;

removing the residue-forming contaminants from the dehydrated feed stream by contacting the dehydrated feed stream with a
non-regenerated sodium faujisite molecular sieve having a silica/alumina molar ratio of from about 2 to about 2.5 to form
a dehydrated contaminant-depleted feed stream and a spent sodium faujisite molecular sieve, and

replacing the spent sodium faujisite molecular sieve with a new non-regenerated sodium faujisite molecular sieve,
wherein contacting with the regenerated Linde Type A molecular sieve is performed within a dryer unit that does not include
the non-regenerated sodium faujisite molecular sieve.

US Pat. No. 9,133,403

HYDROCARBON CONVERSION PROCESS TO REMOVE METALS

UOP LLC, Des Plaines, IL...

1. A process for hydrocarbon conversion, comprising:
(a) providing a heavy oil hydrocarbon feed to a primary upgrading zone, wherein the primary upgrading zone comprises:
(1) at least one upgrading reactor; and
(2) at least one separator;
(b) obtaining a hydrocarbon stream comprising one or more C16-C45 hydrocarbons from at least one separator; and

(c) sending the hydrocarbon stream to an ionic liquid extractor containing a hydrocarbon feed-immiscible ionic liquid to remove
metal compounds;

wherein the hydrocarbon feed-immiscible ionic liquid comprises at least one of trihexyl(tetradecyl)phosphonium chloride, trihexyl(tetradecyl)phosphonium
bromide, tributyl(methyl)phosphonium bromide, tributyl(methyl)phosphonium chloride, tributyl(hexyl)phosphonium bromide, tributyl(hexyl)phosphonium
chloride, tributyl(octyl)phosphonium bromide, tributyl(octyl)phosphonium chloride, tributyl(decyl)phosphonium bromide, tributyl(decyl)phosphonium
chloride, tetrabutylphosphonium bromide, tetrabutylphosphonium chloride, triisobutyl(methyl)phosphonium tosylate, tributyl(methyl)phosphonium
methylsulfate, tributyl(ethyl)phosphonium diethylphosphate, and tetrabutylphosphonium methanesulfonate;

and wherein greater than 40 wt % of the metal compounds are removed from said hydrocarbon stream.

US Pat. No. 9,127,209

PROCESS AND APPARATUS FOR RECOVERING HYDROPROCESSED HYDROCARBONS WITH STRIPPER COLUMNS

UOP LLC, Des Plaines, IL...

1. A slurry hydrocracking process comprising:
slurry hydrocracking a hydrocarbon feed in a slurry hydrocracking reactor to provide hydroprocessing effluent stream;
stripping a relatively cold hydroprocessing effluent stream which is a portion of said hydroprocessing effluent stream in
a cold stripper column to provide a cold stripped stream;

stripping a relatively warm hydroprocessing effluent stream which is a portion of said hydroprocessing effluent stream;
stripping a relatively hot hydroprocessing effluent stream which is a portion of said hydroprocessing effluent stream in a
hot stripper column to provide a hot stripped stream; and

fractionating said hot stripped stream.

US Pat. No. 9,084,945

ENHANCED HYDROGEN RECOVERY

UOP LLC, Des Plaines, IL...

1. A process for recovering hydrogen during hydroprocessing, the process comprising:
providing a pressure increasing device to a hydroprocessing unit, wherein the pressure increasing device utilizes a high pressure
stream for increasing pressure;

introducing a hydrogen containing stream to the pressure increasing device, thereby increasing the pressure of the hydrogen
containing stream;

routing the hydrogen containing stream from the pressure increasing device to a vapor-liquid separator; and
separating the hydrogen from the hydrogen containing stream in a hydrogen purification unit to produce a recovered hydrogen
stream.

US Pat. No. 9,901,849

PROCESS FOR REMOVING CATALYST FINES FROM A LIQUID STREAM FROM A FIXED BED REACTOR

UOP LLC, Des Plaines, IL...

1. A process for recovering catalyst fines and metals from a stream, the process comprising:
passing a stream through a fixed bed of catalyst pellets in a fixed bed reaction zone of a reactor, wherein the catalyst pellets
remain in a fixed position as the stream passes through the fixed bed;

passing at least a portion of the stream from the fixed bed reaction zone to a filtering zone, wherein the portion of the
stream comprises liquid and catalyst fines and wherein the filtering zone includes at least one filtering vessel, each filtering
vessel comprising a first filter section and a second filter section; and,

passing the portion of the stream from the fixed bed reaction zone through the first filter section and the second filter
section of the at least one filtering vessel, the second filter section being downstream from the first filter section;

wherein particles collected by the first filter section of each filtering vessel are different in size than particles collected
by the second filter section in that filtering vessel.

US Pat. No. 9,611,192

INTEGRATION OF N-C4/N-C4=/BD SEPARATION SYSTEM FOR ON-PURPOSE BUTADIENE SYNTHESIS

UOP LLC, Des Plaines, IL...

1. A process for the recovery of butadiene, comprising:
passing a first feedstream comprising n-butane to a dehydrogenation unit to generate a first butene process stream comprising
n-butene;

passing the first n-butene process stream to a butane extraction column to generate a butane overhead stream and a first n-butene
stream, wherein the butane extraction column is operated to recover the n-butenes in the first butene stream;

passing the first n-butene process stream to a butene extraction column to generate an overhead stream comprising n-butene,
and a bottoms stream comprising butadiene

passing the overhead stream to an oxydehydrogenation unit to generate a second process stream comprising n-butene and butadiene;
passing the second process stream to a butene extraction column to generate an overhead stream comprising n-butene, and a
bottoms stream comprising butadiene; and

passing the bottoms stream to a butadiene recovery unit to generate a butadiene stream.

US Pat. No. 9,527,008

APPARATUS FOR MEASUREMENT AND CALCULATION OF DEW POINT FOR FRACTIONATION COLUMN OVERHEADS

UOP LLC, Des Plaines, IL...

1. Apparatus for controlling fractionation column operation comprising;
a fractionation column having an overhead outlet and a reflux inlet;
a receiver having an inlet, a water outlet, a hydrocarbon liquid outlet, and a vapor outlet;
an overhead vapor line connecting the overhead outlet of the fractionation column with the inlet of the receiver;
a molecular weight analyzer or specific gravity analyzer, a first temperature gauge, and a pressure gauge in communication
with the overhead vapor line;

a hydrocarbon liquid outlet line connected to the hydrocarbon liquid outlet of the receiver, the hydrocarbon liquid outlet
line splitting into a stripper reflux line connected to the reflux inlet of the fractionation column and a stripper net overhead
liquid line;

a second temperature gauge in communication with the hydrocarbon liquid outlet line;
a stripper hydrocarbon liquid mass flow meter in fluid communication with the hydrocarbon liquid outlet line, or a stripper
reflux hydrocarbon liquid mass flow meter in communication with the stripper reflux line and a stripper net overhead hydrocarbon
liquid mass flow meter in communication with the stripper net overhead liquid line;

a stripper vapor mass flow meter in communication with a vapor outlet line from the vapor outlet of the receiver;
a water flow meter in communication with a water outlet line from the water outlet of the receiver; and
at least one computer in communication with the molecular weight analyzer or specific gravity analyzer; the overhead vapor
line pressure gauge; the overhead vapor line temperature gauge; the hydrocarbon liquid outlet line temperature gauge; the
stripper hydrocarbon liquid mass flow meter or the stripper reflux hydrocarbon liquid mass flow meter and the stripper net
overhead hydrocarbon liquid mass flow meter; the stripper vapor mass flow meter; and the water flow meter, said computer for
calculating a dew point margin in the overhead vapor line and triggering an alarm or changing an operating condition in the
fractionation column, or both, if the dew point margin is less than a predetermined minimum dew point margin.

US Pat. No. 9,518,230

PROCESS FOR RECOVERING HYDROPROCESSED HYDROCARBONS WITH TWO STRIPPERS

UOP LLC, Des Plaines, IL...

14. A hydroprocessing process comprising:
hydroprocessing a hydrocarbon feed in a hydroprocessing reactor to provide a hydroprocessing effluent stream;
separating said hydroprocessing effluent stream in a hot separator to provide a hot separator bottoms stream and a hot separator
overhead stream comprising a portion of a relatively cold hydroprocessing effluent stream and separating the hot separator
bottoms stream in a hot flash drum to provide a hot flash overhead stream comprising a portion of said relatively cold hydroprocessing
effluent stream and a hot flash bottoms stream comprising a relatively hot hydroprocessing effluent stream;

stripping said relatively cold hydroprocessing effluent stream which is a portion of said hydroprocessing effluent stream
in a cold stripper to provide a cold stripped stream;

stripping said relatively hot hydroprocessing effluent stream which is a portion of said hydroprocessing effluent stream in
a hot stripper to provide a hot stripped stream; and

fractionating the cold stripped stream in a product fractionation column to provide product streams.

US Pat. No. 9,452,383

MEMBRANE SEPARATION ELEMENT AND PROCESS RELATING THERETO

UOP LLC, Des Plaines, IL...

1. A membrane separation element, comprising:
A) a membrane sheet; and
B) a feed spacer positioned adjacent to the membrane sheet, and comprising:
1) a first layer comprising a plurality of fibers wherein each fiber of the plurality of fibers has a diameter and a length,
and the fibers of the first layer are arranged substantially parallel with respect to their lengths to one another and positioned
with respect to their lengths at a skewed angle to a bulk flow;

2) a second layer comprising a plurality of fibers wherein each fiber of the plurality of fibers has a diameter and a length,
and the fibers of the second layer are arranged substantially parallel with respect to their lengths to one another and positioned
with respect to their lengths to offset by about 100 to about 80° at least one fiber of the first layer; and

3) a third layer comprising a plurality of fibers wherein each fiber of the plurality of fibers has a diameter and a length,
and the respective lengths of the plurality of fibers of the third layer are generally aligned with the respective lengths
of the plurality fibers of the first layer;

wherein the plurality of fibers of the second layer only touches the plurality of fibers of the first and third layers.

US Pat. No. 9,303,220

PROCESS AND APPARATUS FOR PRODUCING DIESEL WITH HIGH CETANE

UOP LLC, Des Plaines, IL...

1. An apparatus to produce diesel comprising:
a hydrotreating reactor in which a hydrocarbonaceous feedstock is hydrotreated to produce a hydrotreated stream;
a first stripping section comprising a column and a first stripping stream inlet, said first stripping section in communication
with said hydrotreating reactor in which light gases are stripped from said hydrotreated stream;

a saturation reactor in communication with said first stripping section in which aromatics are saturated;
a second stripping section comprising a column and a second stripping stream inlet, said second stripping section in communication
with said saturation reactor in which light gases are stripped from a saturated stream;

a fractionation column in communication with said second stripping section wherein a diesel stream and a bottoms stream are
separately recovered from the fractionation column; and

wherein the fractionation column is in downstream communication with the second stripping section.
US Pat. No. 9,133,404

HYDROCARBON CONVERSION PROCESS

UOP LLC, Des Plaines, IL...

1. A process for hydrocarbon conversion, comprising:
(a) providing a heavy oil hydrocarbon feed to a primary upgrading zone, wherein the primary upgrading zone comprises:
(1) at least one upgrading reactor; and
(2) at least one separator;
(b) obtaining a hydrocarbon stream comprising one or more C16-C45 hydrocarbons from at least one separator; and

(c) sending the hydrocarbon stream to an ionic liquid extractor containing a hydrocarbon feed-immiscible ionic liquid to remove
sulfur compounds;

wherein the hydrocarbon feed-immiscible ionic liquid comprises at least one of trihexyl(tetradecyl)phosphonium chloride, trihexyl(tetradecyl)phosphonium
bromide, tributyl(methyl)phosphonium bromide, tributyl(methyl)phosphonium chloride, tributyl(hexyl)phosphonium bromide, tributyl(hexyl)phosphonium
chloride, tributyl(octyl)phosphonium bromide, tributyl(octyl)phosphonium chloride, tributyl(decyl)phosphonium bromide, tributyl(decyl)phosphonium
chloride, tetrabutylphosphonium bromide, tetrabutylphosphonium chloride, triisobutyl(methyl)phosphonium tosylate, tributyl(methyl)phosphonium
methylsulfate, tributyl(ethyl)phosphonium diethylphosphate, and tetrabutylphosphonium methanesulfonate; and

wherein more than about 50% by weight of the sulfur compounds are removed from the feed in a single contaminant removal step.

US Pat. No. 10,071,357

COMPACT TWO-STAGE REGENERATOR AND PROCESS FOR USING

UOP LLC, Des Plaines, IL...

1. A catalyst regenerator vessel for combusting coke from catalyst comprising:a lower chamber having a catalyst inlet for feeding spent catalyst to said lower chamber and a gas distributor for distributing combustion gas to said lower chamber;
a conduit from said lower chamber extending from said lower chamber to an upper chamber;
a swirl duct having a curved wall and an open end for discharging catalyst and flue gas from said conduit into said upper chamber;
a cyclone in communication with said swirl duct;
a flue gas outlet for discharging flue gas from said upper chamber; and
a regenerated catalyst outlet from said upper chamber and said vessel.

US Pat. No. 10,047,021

METHOD FOR TUNING PRODUCT COMPOSITION BASED ON VARYING TYPES AND RATIOS OF FEED

UOP LLC, Des Plaines, IL...

1. A process of tuning a hydrocarbon product composition comprising:selecting a range of paraffins;
determining a series of equilibrium constants for isomerization and disproportionation reactions of the selected range of paraffins;
selecting a hydrocarbon product composition with a C/H molar ratio based on the series of equilibrium constants for the selected range of paraffins;
selecting a hydrocarbon feed with the same C/H molar ratio as the hydrocarbon product composition, the selected hydrocarbon feed comprising at least one Cn alkane, where n=1-200;
passing the selected hydrocarbon feed into a reaction zone;
reacting the selected hydrocarbon feed by contacting the selected hydrocarbon feed with a liquid catalyst comprising an ionic liquid and a carbocation promoter in the reaction zone under tuning conditions to form the hydrocarbon product composition, wherein (i) the tuning conditions comprise at least one of a temperature in a range of about 25° C. to about 150° C. and a pressure in a range of about 0 MPa to about 20.7 MPa, (ii) reactions in the reaction zone comprise isomerization and disproportionation, and (iii) the carbocation promoter promotes disproportionation reactions; and
recovering the hydrocarbon product composition, wherein the number of moles of hydrocarbons in said hydrocarbon product composition is equal to the number of moles of hydrocarbons in said hydrocarbon feed.

US Pat. No. 9,284,237

METHODS AND APPARATUSES FOR PROCESSING HYDROCARBONS

UOP LLC, Des Plaines, IL...

1. A method for processing hydrocarbons, the method comprising the steps of:
providing a stream of olefins including normal olefins and non-normal olefins;
separating the normal olefins from the non-normal olefins to form a stream of normal olefins;
polymerizing the stream of normal olefins to form a stream of polymerized normal olefins;
saturating the stream of polymerized normal olefins to form a stream of normal paraffins; and
reforming the stream of normal paraffins to form a stream of aromatics.
US Pat. No. 9,266,809

PROCESS FOR PRODUCING TEREPHTHALIC ACID

UOP LLC, Des Plaines, IL...

1. A process for producing terephthalic acid from para-xylene, the process comprising:
forming a mixture comprising the para-xylene, a solvent, a bromine source, a catalyst and optionally ammonium acetate; and
oxidizing the para-xylene by contacting the mixture with an oxidizing agent at oxidizing conditions to produce a solid oxidation
product, the solid oxidation product comprising terephthalic acid, 4-carboxybenzaldehyde, and para-toluic acid;

wherein the solvent comprises a carboxylic acid having from 1 to 7 carbon atoms, a dialkyl imidazolium ionic liquid, and optionally
water; and the catalyst comprises at least one of cobalt, titanium, manganese, chromium, copper, nickel, vanadium, iron, molybdenum,
tin, cerium, and zirconium.

US Pat. No. 9,162,214

SUBSTANTIALLY NONPOROUS SUBSTRATE SUPPORTED NOBLE METAL- AND LANTHANIDE-CONTAINING CATALYSTS FOR HYDROGENATION REACTIONS

UOP LLC, Des Plaines, IL...

1. A process for hydrogenating a feedstock comprising a compound having a carbon-carbon double bond, a carbon-carbon triple
bond or a carbon-heteroatom bond, the process comprising contacting the feedstock with hydrogen in the presence of a catalyst
comprising a noble metal and a lanthanide element deposited on a support comprising a substantially non-porous substrate having
a surface area, as measured by S.A.N2-BET or S.A.Kr-BET, from about 0.01 to about 10 m2/g.

US Pat. No. 9,126,879

PROCESS FOR TREATING A HYDROCARBON STREAM AND AN APPARATUS RELATING THERETO

UOP LLC, Des Plaines, IL...

1. A process for treating a hydrocarbon stream, comprising:
A) passing the hydrocarbon stream into a vessel containing a packed zone and a coalescing zone;
B) passing an amine stream into the vessel at a location above an inlet for the hydrocarbon stream; and
C) withdrawing the hydrocarbon stream.
US Pat. No. 9,127,216

PROCESS AND APPARATUS FOR RECYCLING A DEASHED PITCH

UOP LLC, Des Plaines, IL...

1. A process for recycling a deashed pitch to a slurry hydrocracking zone, comprising:
A) adding a solvent to a neat pitch to obtain a mixture;
B) separating a supernate and a precipitate from the mixture;
C) segregating the solvent from the supernate; and
D) recycling the deashed pitch from the supernate to the slurry hydrocracking zone.

US Pat. No. 9,095,830

LOUVER FRONT FACED INLET DUCTS

UOP LLC, Des Plaines, IL...

1. An improved radial flow apparatus comprising:
a vertically oriented, substantially cylindrical vessel having a fluid inlet and a fluid outlet;
a vertically oriented center pipe disposed within the vessel and having a fluid inlet and a fluid outlet, where either the
fluid inlet or fluid outlet comprises apertures in the center pipe wall; and

a plurality of vertical outer ducts arranged circumferentially around the interior of the vessel wall, each outer duct comprising
a front face, two side faces, and a rear face, wherein the front face is recessed at a depth between the two side faces, and
the front face comprises a louvered structure comprising a plate having apertures defined therein and louvers extending outward
from the front face, and where the louvers have a leading edge and a trailing edge and where the louver leading edge is affixed
to the plate at a position above at least one aperture, and the louver trailing edge extends away from the plate and in a
downward direction and to a distance away from the front face less than or equal to the depth of the recess where a particle
retention volume is defined by the space between front faces of the ducts and the wall of the center pipe.

US Pat. No. 9,657,237

PROCESS AND APPARATUS FOR PRODUCING DIESEL FROM A HYDROCARBON STREAM

UOP LLC, Des Plaines, IL...

1. An apparatus for producing diesel from a hydrocarbon stream comprising:
a hydrotreating reactor for hydrotreating a hydrocarbon stream in the presence of a hydrotreating hydrogen stream and hydrotreating
catalyst to provide a hydrotreating effluent stream;

a hydrotreating separator in communication with said hydrotreating reactor for separating the hydrotreating effluent stream
into a vaporous hydrotreating effluent stream comprising hydrogen and a liquid hydrotreating effluent stream;

a hydrotreating fractionation column in communication with said separator for fractionating liquid hydrotreating effluent
to provide a diesel stream at a diesel outlet;

a hydrocracking reactor in downstream communication with said hydrotreating separator and said hydrotreating fractionation
column for hydrocracking the diesel stream in the presence of a hydrocracking hydrogen stream and hydrocracking catalyst to
provide a hydrocracking effluent stream; and

a hydrocracking separator, which is separate from said hydrotreating separator, in communication with said hydrocracking reactor
for separating the hydrocracking effluent stream into a vaporous hydrocracking effluent stream comprising hydrogen and a liquid
hydrocracking effluent stream and a hydrotreating effluent line being in communication with said hydrocracking separator for
mixing the vaporous hydrocracking effluent stream comprising hydrogen with the hydrotreating effluent stream.

US Pat. No. 9,517,982

SPLIT-SHELL FRACTIONATION COLUMNS AND ASSOCIATED PROCESSES FOR SEPARATING AROMATIC HYDROCARBONS

UOP LLC, Des Plaines, IL...

1. A process for separating aromatic hydrocarbons, comprising the steps of:
introducing a first stream comprising a plurality of aromatic hydrocarbons into a first distillation zone of a split-shell
fractionation column;

introducing a second stream comprising a plurality of aromatic hydrocarbons into a second distillation zone of the split-shell
fractionation column, the first and second distillation zones being defined by a partition within the split-shell fractionation
column, the partition having a gap region therein;

separating the first stream into a first overhead product and a first bottom product, wherein the first bottom product comprises
a first liquid that collects at a bottom portion of the first distillation zone;

separating the second stream into a second overhead product and a second bottom product, wherein the second bottom product
comprises a second liquid that collects at a bottom portion of the second distillation zone;

draining the first liquid, the second liquid, or a combination thereof in the gap region through a first outlet port.

US Pat. No. 9,446,398

STRIPPING VESSEL FOR REMOVING HYDROCARBONS ENTRAINED IN CATALYST PARTICLES

UOP LLC, Des Plaines, IL...

1. A stripping vessel for removing hydrocarbons from catalyst, the stripping vessel comprising:
an inlet configured to receive a stream of spent catalyst particles, at least some of the spent catalyst particles comprise
entrained hydrocarbons;

a first stripping section, the first stripping section including at least one grid, each grid including at least one opening
to allow catalyst to pass there through;

a second stripping section, the second stripping section including a structured packing comprised of a plurality of ribbons,
the at least one grid in the first stripping section being spaced from the structured packing of the second stripping section;
and,

an outlet configured to pass catalyst particles from the stripping vessel.

US Pat. No. 9,434,894

PROCESS FOR CONVERTING FCC NAPHTHA INTO AROMATICS

UOP LLC, Des Plaines, IL...

1. A method for processing hydrocarbons comprising:
fractionating a hydrocarbon stream in a fractionation unit to form at least two fractions including a first fraction and a
second fraction;

reforming the first fraction in a reforming unit to form a reformate stream;
introducing the reformate stream into an aromatics processing zone to produce select aromatic products;
cracking at least a portion of the second fraction in a fluid catalytic cracking unit to form a cracked hydrocarbon stream;
forming a selectively hydrogenated light naphtha stream by separating the cracked hydrocarbon stream into at least two streams
including a light naphtha stream and a heavy naphtha stream and selectively hydrogenating the light naphtha stream, or selectively
hydrogenating the cracked hydrocarbon stream and separating the hydrogenated cracked hydrocarbon stream into at least two
streams including a light naphtha stream and a heavy naphtha stream;

extracting aromatics from the selectively hydrogenated light naphtha stream in an aromatic extraction unit to form an extract
stream and a raffinate stream containing olefins; and

introducing the extract stream into the aromatics processing zone to produce additional aromatic products.
US Pat. No. 9,193,926

FUEL COMPOSITIONS AND METHODS BASED ON BIOMASS PYROLYSIS

UOP LLC, Des Plaines, IL...

1. A fuel composition comprising:
(a) from about 50% to 98% petroleum derived gasoline by weight;
(b) from 1% to about 20% ethanol by volume; and
(c) from 1% to about 30% pyrolysis derived gasoline by weight, wherein the pyrolysis derived gasoline is derived from hydroprocessing
raw pyrolysis oil, and wherein the pyrolysis derived gasoline has a lower heating value from about 37 MJ/kg (15,900 BTU/lb)
to about 46 MJ/kg (19,800 BTU/lb).

US Pat. No. 9,181,498

APPARATUS AND PROCESS FOR REMOVAL OF SULFUR-CONTAINING COMPOUNDS FROM A HYDROCARBON STREAM

UOP LLC, Des Plaines, IL...

1. A process for removing sulfur compounds from a liquid hydrocarbon stream, the process comprising:
(a) feeding a liquid hydrocarbon stream to a recirculation section of an extraction vessel, the recirculation section including
a feed deck and one or more liquid-liquid contacting decks above the feed deck, the recirculation section containing a first
alkaline solution suitable for converting mercaptans to mercaptides;

(b) passing the hydrocarbon stream through the recirculation section;
(c) withdrawing a first alkaline stream including the first alkaline solution and mercaptides from the recirculation section;
(d) recirculating at least a part of the first alkaline stream to a top deck of the one or more liquid-liquid contacting decks
of the recirculation section;

(e) passing the hydrocarbon stream from the recirculation section to an extraction section of the extraction vessel, the extraction
section including one or more liquid-liquid contacting decks;

(f) feeding a second alkaline stream to an upper deck of the one or more liquid-liquid contacting decks of the extraction
section, the second alkaline stream including a second alkaline solution suitable for converting mercaptans to mercaptides;
and

(g) withdrawing a hydrocarbon product stream from an exit opening of the extraction vessel.

US Pat. No. 9,145,522

ENHANCED AROMATICS PRODUCTION BY LOW PRESSURE END POINT REDUCTION AND SELECTIVE HYDROGENATION AND HYDRODEALKYLATION

UOP LLC, Des Plaines, IL...

1. A reforming process comprising:
reacting a naphtha feed stream in a first reforming zone under reforming conditions to produce a first reforming zone product
stream; and

reacting at least a portion of the first reforming zone product stream in an endpoint reduction zone comprising an endpoint
reduction catalyst comprising a binder and under endpoint reduction conditions including a pressure of less than about 689
KPa and a temperature between about 250° C. to about 370° C. to produce a product stream having a reduced endpoint compared
to an endpoint of the first reforming zone product stream wherein at least about 80% of methylethylbenzene, methylpropyl benzene,
diethyl benzene, and butyl benzene in the first reforming zone product stream is dealkylated in the endpoint reduction zone
and at least about 50% of the dimethylethylbenzene in the first reforming zone product stream is dealkylated in the endpoint
reduction zone.

US Pat. No. 10,159,964

HIGH CHARGE DENSITY METALLOPHOSPHATE MOLECULAR SIEVES

UOP LLC, Des Plaines, IL...


US Pat. No. 9,656,229

METHANE CONVERSION APPARATUS AND PROCESS USING A SUPERSONIC FLOW REACTOR

UOP LLC, Des Plaines, IL...

1. An apparatus for producing acetylene from a feed stream comprising methane comprising:
a supersonic reactor for receiving the methane feed stream and heating the methane feed stream to a pyrolysis temperature;
a reactor shell of the supersonic reactor for defining a reactor chamber wherein the reaction chamber operates at a temperature
from about 1200 to about 4000° C.;

a combustion zone of the supersonic reactor for combusting a fuel source to provide a high temperature carrier gas passing
through the reactor space at supersonic speeds to heat and accelerate the methane feed stream to a pyrolysis temperature;
and

the reactor shell comprising a material having a thermal conductivity of between about 300 and about 450 W/m-K for conducting
heat from the reactor chamber and having a melting temperature of between about 500 and about 2000° C.; the material being
at least copper chrome, or copper chrome zinc, or copper chrome niobium, or copper zirconium or copper silver zirconium; or
mixtures thereof.

US Pat. No. 9,649,642

SEPARATION PROCESS AND APPARATUS

UOP LLC, Des Plaines, IL...

1. An apparatus for separating catalyst from gas comprising:
a vessel containing cyclones for separating catalyst from gas, said cyclones including a gas conduit for removing separated
gas from the cyclone;

a plenum at the top of the vessel with a plenum outlet for discharging gas from the plenum, said gas conduits extending into
said plenum;

a baffle in said plenum that defines an outer volume and an inner volume within the plenum, said gas conduit extending through
the outer volume at least to the baffle;

a purge gas inlet in said plenum outside of said inner volume wherein said purge gas inlet being separated from the gas conduit.

US Pat. No. 9,682,369

SHAPED ARTICLES FOR NUCLEAR REMEDIATION AND METHODS FOR FORMING SUCH SHAPED ARTICLES

UOP LLC, Des Plaines, IL...

1. A method for forming a shaped article, the method comprising the steps of:
providing a hydroxy metal oxide binder precursor in a solution of hydroxy metal oxide binder precursor;
mixing a primary ion exchange composition with the solution of hydroxy metal oxide binder precursor;
mixing the solution of hydroxy metal oxide binder precursor with a zeolite or an active modified filler;
converting the hydroxy metal oxide binder precursor to a hydroxy metal oxide binder; and
forming the shaped article from the primary ion exchange composition, the hydroxy metal oxide binder, and the zeolite or the
active modified filler.

US Pat. No. 9,637,426

METHODS AND APPARATUSES FOR REFORMING OF HYDROCARBONS INCLUDING RECOVERY OF PRODUCTS USING A RECONTACTING ZONE

UOP LLC, Des Plaines, IL...

1. A method for reforming of hydrocarbons including recovery of products, the method comprising the steps of:
separating a reforming-zone effluent that comprises H2, C4? hydrocarbons, and C5+ hydrocarbons including aromatics to form a net gas phase stream that comprises H2 and C6? hydrocarbons and a liquid phase hydrocarbon stream that comprises C5+ hydrocarbons;

compressing the net gas phase stream to form a compressed net gas phase stream;
partially condensing and cooling the compressed net gas phase stream to form a partially condensed, compressed net gas phase
stream;

separating the partially condensed, compressed net gas phase stream into an intermediate gas phase stream and a first intermediate
liquid phase hydrocarbon stream;

combining the intermediate gas phase stream and the liquid phase hydrocarbon stream to extract C3/C4 hydrocarbons from the intermediate gas phase stream to the liquid phase hydrocarbon stream and to form a two-phase combined
stream;

cooling the two-phase combined stream to form a cooled two-phase combined stream; and
separating the cooled two-phase combined stream to form an H2-rich stream and a cooled second intermediate liquid phase hydrocarbon stream that is enriched with C3/C4 hydrocarbons and further comprises C5+ hydrocarbons.

US Pat. No. 9,517,431

METHOD FOR SMOOTHING TIME-VARYING CONCENTRATION OF A FLUID STREAM

UOP LLC, Des Plaines, IL...

1. A process for removing sulfur compounds from a natural gas stream comprising:
passing a natural gas feed stream to an acid gas removal unit to generate a partially sweetened natural gas stream and an
acid gas stream;

passing the partially sweetened natural gas stream to an adsorption unit for adsorbing water and sulfur compounds to generate
a treated natural gas stream;

passing a regenerator gas stream to the adsorption unit to generate a regen gas enriched with sulfur compounds;
passing the regen gas enriched with sulfur compounds to a fixed-bed adsorber to generate a regen gas effluent stream with
a reduced level of peak sulfur concentration; and

passing the regen gas with the reduced level of peak sulfur compounds to a sulfur removal unit.

US Pat. No. 9,452,957

OPTIONS TO REDUCE FOULING IN MTO DOWNSTREAM RECOVERY

UOP LLC, Des Plaines, IL...

1. A process for reducing fouling in an MTO process, comprising:
passing a product effluent stream comprising olefins, solid materials, and highly substituted aromatic hydrocarbons including
hexamethylbenzene and pentamethyl benzene from an MTO reactor to a quench tower to generate a first overhead stream comprising
olefins and said highly substituted aromatics, and a first bottoms stream comprising waste water;

passing the first overhead stream to a product separator unit to generate a second overhead stream comprising olefins and
water, a second bottoms stream comprising waste water, and an intermediate stream comprising water and highly substituted
aromatic hydrocarbons;

passing the second overhead stream to a product treatment and recovery system to separate the second overhead stream, in compression
and separation steps, into a hydrocarbon stream and a water stream and a light hydrocarbon stream comprising olefins;

passing the water stream from the product treatment and recovery system to an oxygenate stripper;
cooling a portion of the intermediate stream and passing a portion of the cooled portion of the intermediate stream as reflux
to the top of the product separator unit and the remainder to a water stripper to generate a water overhead stream for use
in the product separator unit and a water bottom stream for passing to a water treatment unit;

passing another portion of the intermediate stream to a second separation unit to generate a hydrocarbon stream containing
highly substituted aromatic hydrocarbons a second bottoms stream comprising waste water;

passing the first bottoms stream comprising waste water, second bottoms stream comprising waste water, and second bottoms
stream comprising waste water to the water stripper;

passing the hydrocarbon stream and the stream containing highly substituted aromatic hydrocarbons to wash column to generate
and a washed hydrocarbon stream comprising C4 and higher hydrocarbons and a wash stream comprising methanol and water; and

passing the washed hydrocarbon stream to an olefin cracking process.

US Pat. No. 9,328,040

PROCESS FOR RECOVERING BENZENE AND FUEL GAS IN AN AROMATICS COMPLEX

UOP LLC, Des Plaines, IL...

1. A method for the recovery of a benzene rich liquid stream and a light ends vapor stream in a xylene isomerization process
from a feedstock, the method comprising:
passing a feedstock into a deheptanizer in which the feedstock is separated into a deheptanizer vapor phase and a deheptanizer
liquid phase, the deheptanizer vapor phase containing hydrocarbons with seven carbon atoms or less, and the deheptanizer liquid
phase containing hydrocarbons with eight carbon atoms or more;

passing the deheptanizer vapor phase from the deheptanizer to a first separation zone;
separating the deheptanizer vapor phase in the first separation zone into a first liquid phase and a first vapor phase;
passing the first liquid phase from the first separation zone to a stabilization zone;
passing the first vapor phase from the first separation zone to a compression zone in which the first vapor phase is compressed
to provide a compressed vapor phase;

passing the compressed vapor phase from the compression zone to a second separation zone;
separating the compressed vapor phase into a second liquid phase and a second vapor phase in the second separation zone, the
second vapor phase being a light ends vapor stream;

recovering the light ends vapor stream;
passing the second liquid phase to the stabilization zone;
separating the first liquid phase and the second liquid phase in the stabilization zone into a recycle vapor phase and a benzene
rich liquid stream;

recovering the benzene rich liquid stream; and,
passing the recycle vapor phase to the second separation zone, wherein the recycle vapor phase is cooled prior to entering
the second separation zone.

US Pat. No. 9,309,471

DECONTAMINATION OF DEOXYGENATED BIOMASS-DERIVED PYROLYSIS OIL USING IONIC LIQUIDS

UOP LLC, Des Plaines, IL...

1. A method for purifying a biomass-derived pyrolysis oil, the method comprising the steps of:
contacting the biomass-derived pyrolysis oil with a first deoxygenating catalyst in the presence of hydrogen at first predetermined
hydroprocessing conditions to form a first low-oxygen biomass-derived pyrolysis oil effluent; and

contacting the first low-oxygen biomass-derived pyrolysis oil effluent with an ionic liquid to remove impurities from said
first low-oxygen biomass-derived pyrolysis oil effluent wherein said impurities consist of at least one nitrogen compound
or one phenolic compound.

US Pat. No. 9,302,951

IONIC LIQUID ALKYLATION OF 1-BUTENE TO PRODUCE 2,5-DIMETHYLHEXANE

UOP LLC, Des Plaines, IL...

1. A process for producing dimethylhexane comprising:
introducing a stream comprising isobutane and a stream comprising 1-butene or a stream comprising isobutane and 1-butene to
an alkylation reaction zone to form a reaction mixture, the stream comprising 1-butene or the stream comprising isobutane
and 1-butene containing less than about 50 wt % total of 2-butene and isobutene; and

alkylating the isobutane and the 1-butene in the alkylation reaction zone in the presence of a haloaluminate ionic liquid
catalyst wherein the haloaluminate ionic liquid catalyst comprises a cation selected from one or more of

where R5, R6, R18-21 are independently selected from C1-C20 hydrocarbons, C1-C20 hydrocarbon derivatives, halogens, and H;under alkylation conditions to form a stream rich in dimethylhexane, the stream rich in dimethylhexane having a ratio of dimethylhexane
to trimethylpentane of at least about 2:1.

US Pat. No. 9,295,959

FLUID DISTRIBUTION DEVICE AND METHOD FOR MULTIBED REACTORS

UOP LLC, Des Plaines, IL...

1. A method for the distribution of fluid over the top of a reactor bed, comprising:
collecting fluid including vapor and liquid from a superior reactor bed;
passing the fluid into a mixing chamber and swirling the fluid to contact the vapor and liquid;
passing the fluid through a generally central mixing chamber outlet to a rough distribution tray;
collecting the liquid on the rough distribution tray;
passing the vapor radially toward an annular opening between the rough distribution tray and the reactor wall;
passing one portion of the vapor through an opening of at least one vapor chimney having inwardly tapering cross section extending
above the rough liquid distribution tray;

passing another vapor portion through the annular opening to the fine distribution tray;
distributing the fluid below the fine distribution tray to another reactor bed.

US Pat. No. 9,211,508

POLYBENZOXAZOLE MEMBRANES FROM SELF-CROSS-LINKABLE AROMATIC POLYIMIDE MEMBRANES

UOP LLC, Des Plaines, IL...

1. A method of making a polybenzoxazole membrane comprising
(a) fabricating a self-cross-linkable aromatic polyimide polymer membrane from the self-cross-linkable aromatic polyimide
polymer comprising both hydroxyl functional groups and carboxylic acid functional groups;

(b) cross-linking the self-cross-linkable aromatic polyimide polymer membrane to form a self-cross-linked aromatic polyimide
polymer membrane by heating the membrane at 250° C. to 300° C. under an inert atmosphere; and

(c) thermal heating the self-cross-linked aromatic polyimide polymer membrane at a temperature from about 350° to 500° C.
under an inert atmosphere, to convert the self-cross-linked aromatic polyimide polymer membrane into a polybenzoxazole membrane;

wherein said self-cross-linkable aromatic polyimide polymer used for the preparation of PBO membrane comprises a formula (I):
wherein X1 and X2 are selected from the group consisting of
and mixtures thereof, respectively; X1 and X2 are the same or different from each other; Y1—COOH is
and mixtures thereof; Y2—OR is selected from the group consisting of
and mixtures thereof, and —R— is selected from the group consisting of —H and a mixture of —H and —COCH3, and —R?— is selected from the group consisting of
and mixtures thereof; n and m are independent integers from 2 to 500; the molar ratio of n/m is in a range of 1:1 to 1:20.

US Pat. No. 9,206,358

METHODS AND APPARATUSES FOR HEATING HYDROCARBON STREAMS FOR PROCESSING

UOP LLC, Des Plaines, IL...

1. A method for processing a hydrocarbon stream, the method comprising the steps of:
dividing a feed stream into a first portion and a second portion;
heating the first portion of the feed stream in a convective bank;
reacting the first portion of the feed stream in a first reaction zone to form a first effluent;
mixing the first effluent and the second portion;
heating the first effluent and the second portion in a first radiant cell, wherein the first radiant cell combusts fuel gas
to heat the first effluent and forms a first exhaust gas; and

contacting the first exhaust gas with the convective bank to heat the feed stream.
US Pat. No. 9,169,189

PROCESS FOR OXIDIZING ALKYL AROMATIC COMPOUNDS

UOP LLC, Des Plaines, IL...

1. A process for oxidizing an alkyl-aromatic compound comprising:
forming a mixture comprising the alkyl-aromatic compound, a solvent, a bromine source, a catalyst, and ammonium acetate, wherein
the amount of ammonium acetate ranges from about 1 wt % to about 100 wt %, relative to the weight of the solvent; and

contacting the mixture with an oxidizing agent at oxidizing conditions to produce a solid oxidation product comprising at
least one of an aromatic aldehyde, an aromatic alcohol, an aromatic ketone, and an aromatic carboxylic acid;

wherein the solvent comprises a carboxylic acid having from 1 to 7 carbon atoms, and optionally water, and the catalyst comprises
at least one of cobalt, titanium, manganese, chromium, copper, nickel, vanadium, iron, molybdenum, tin, cerium, and zirconium.

US Pat. No. 9,150,467

PROCESSES AND APPARATUSES FOR PREPARING AROMATIC COMPOUNDS

UOP LLC, Des Plaines, IL...

1. A process for preparing aromatic compounds, the process comprising the steps of:
providing a first stream comprising an aromatic component, a non-aromatic component, and a sulfur-containing component;
separating the aromatic component and the sulfur-containing component from the non-aromatic component of the first stream
to form a separated aromatic stream comprising the aromatic component and the sulfur-containing component and a raffinate
stream comprising the non-aromatic component;

feeding the separated aromatic stream comprising the aromatic component and the sulfur-containing component to a reactor containing
a catalyst containing an acid function selected from the group consisting of MFI, MEL, MTW, FER, beta zeolite, mordenite,
and acid promoted alumina, and a metal function selected from the group consisting of platinum, palladium, rhodium, ruthenium,
osmium, iridium, rhenium, tin, germanium, lead, cobalt, nickel, molybdenum, indium, gallium, zinc, uranium, dysprosium, thallium,
and mixtures thereof to transalkylate the aromatic component to a transalkylated aromatic stream, concurrently desulfurizing
by converting the sulfur-containing component to a sulfur-containing gas stream separate from the transalkylated aromatic
stream.

US Pat. No. 9,150,797

PROCESS AND APPARATUS FOR RECOVERING HYDROPROCESSED HYDROCARBONS WITH SINGLE PRODUCT FRACTIONATION COLUMN

UOP LLC, Des Plaines, IL...

1. A hydroprocessing process comprising:
hydroprocessing a hydrocarbon feed stream in a hydroprocessing reactor to provide a hydroprocessing effluent stream;
passing said hydroprocessing effluent stream through a hot separator to provide a hot overhead stream and a separator hot
hydroprocessing effluent stream;

passing said hot overhead stream to a warm separator to provide a warm overhead stream and a separator warm hydroprocessing
effluent stream;

passing said warm overhead stream to a cold separator to provide a separator cold hydroprocessing effluent stream;
stripping said separator hot hydroprocessing effluent stream, said separator warm hydroprocessing effluent stream and said
separator cold hydroprocessing effluent stream in a stripper column;

providing a cold stripped stream and a hot stripped stream; and
fractionating the hot stripped stream in a vacuum product fractionation column.

US Pat. No. 9,126,883

RECYCLE OF REACTOR EFFLUENT IN AN ALKYLAROMATIC PROCESS

UOP LLC, Des Plaines, IL...

1. A process for preparing linear alkylbenzenes by the alkylation of benzene with olefins having between about 8 and 20 carbon
atoms comprising:
contacting benzene and an effluent from a gas-to-liquid process comprising a mixture of about 12 to about 30 wt % olefins
and about 70 to about 88 wt % paraffins in an alkylation zone under alkylation conditions including a catalytically effective
amount of a catalyst comprising a first zeolite comprising UZM-8 and a second zeolite comprising a rare-earth substituted
X or Y zeolite intermingled into single catalyst particles to provide an alkylation product containing monoalkylbenzenes,
dialkylbenzenes, unreacted benzene, and unreacted paraffins;

dividing the alkylation product into a first portion and a second portion;recycling the first portion of the alkylation product to the alkylation zone so that after the first portion of the alkylation
product is mixed with the incoming feed, the ratio of olefins to the paraffins drops below 0.2;
separating the second portion of the alkylation product into a benzene-rich fraction containing the unreacted benzene and
a substantially benzene-free fraction containing alkylbenzenes, unreacted paraffins, and dialkylbenzenes;

separating the substantially benzene-free fraction into a paraffin-rich fraction containing the unreacted paraffins and a
substantially paraffin-free fraction containing the monoalkylbenzenes, and dialkylbenzenes;

separating the substantially paraffin-free fraction into an monoalkylbenzene fraction containing the linear monoalkylbenzenes
and a heavies fraction containing the dialkylbenzenes; and

controlling a ratio of the first portion of the alkylation product to the second portion of the alkylation product to obtain
a specified 2-phenyl content of the linear monoalkylbenzene product; wherein the drop in linearity between the olefin feed
and product monoalkylbenzene is no more than about 10%.

US Pat. No. 9,096,481

CATALYTIC DISPROPORTIONATION OF PENTANE USING IONIC LIQUIDS

UOP LLC, Des Plaines, IL...

1. A hydrocarbon conversion process comprising:
disproportionating a hydrocarbon feed comprising C5 alkanes by contacting the hydrocarbon feed with a liquid catalyst in a reaction zone under disproportionation conditions to
form a product mixture comprising at least about 5 wt % C4? alkanes, and at least about 5 wt % C6+ alkanes in 30 min based on the C5 alkanes in the hydrocarbon feed, wherein the liquid catalyst comprises an unsupported ionic liquid and a carbocation promoter,
and wherein a mass ratio of the liquid catalyst to the hydrocarbon feed is less than 0.75:1;

wherein the ionic liquid comprises an organic cation selected from the group consisting of:

where R5-R11 and R18-R21 are independently selected from C1-C20 hydrocarbons, C1-C20 hydrocarbon derivatives, halogens, and H;

wherein the ionic liquid comprises an anion selected from the group consisting of AlCl4?, Al2Cl7?, Al3Cl10?, AlCl3Br?, Al2Cl6Br?, Al3Cl9Br?, AlBr4?, Al2Br7?, Al3Br10?, GaCl4?, Ga2Cl7?, Ga3Cl10?, GaCl3Br?, Ga2Cl6Br?, Ga3Cl9Br?, CuCl2?, Cu2Cl3?, Cu3Cl4?, ZnCl3?, FeCl3?, FeCl4?, Fe3Cl7?, PF6?, and BF4?; and

wherein the carbocation promoter comprises 2-chloro-2-methylpropane, 2-chloropropane, 2-chlorobutane, 2-chloro-2-methylbutane,
2-chloropentane, 1-chlorohexane, 3-chloro-3-methylpentane, or combinations thereof.

US Pat. No. 9,061,953

PROCESS FOR CONVERTING POLYCYCLIC AROMATIC COMPOUNDS TO MONOCYCLIC AROMATIC COMPOUNDS

UOP LLC, Des Plaines, IL...

1. A process for converting polycyclic aromatic compounds to
monocyclic aromatic compounds comprising:
pyrolyzing a coal feed to produce a coke stream and a coal tar stream;
cracking the coal tar stream;
fractionating the cracked coal tar stream to produce an aromatic fraction comprising the polycyclic aromatic compounds;
hydrocracking the aromatic fraction to partially hydrogenate at least a first portion of the aromatic fraction to form a hydrogenated
stream containing tetralin and alkyltetralins, and to open at least one ring of a second portion of the aromatic fraction
to form the monocyclic aromatic compounds from the polycyclic compounds;

recycling a first portion of the hydrogenated stream containing tetralin and alkyltetralins to the cracking of the coal tar
stream.

US Pat. No. 9,044,723

INCLINED BASEPLATE IN DEHYDROGENATION REACTOR

UOP LLC, Des Plaines, IL...

1. A radial bed reactor with an inclined baseplate comprising:
a reactor body;
inner and outer perforated cylinders defining a catalyst bed, the catalyst bed having an inlet at an upper end of the catalyst
bed and an outlet at a lower end of the catalyst bed, a first portion of the outer perforated cylinder extending below a bottom
of the inner perforated cylinder, the first portion having a non-porous section;

a baseplate extending from the bottom of the inner perforated cylinder toward a bottom of the outer perforated cylinder, the
baseplate being inclined with respect to the inner perforated cylinder;

a distribution space defined by at least the inner perforated cylinder;
a collection space defined by the outer perforated cylinder and the reactor body;
a feed inlet to the distribution space; and
a product outlet from the collection space.

US Pat. No. 9,809,761

HYDROCARBON PROCESSING APPARATUSES AND METHODS OF REFINING HYDROCARBONS WITH ABSORPTIVE RECOVERY OF C3+ HYDROCARBONS

UOP LLC, Des Plaines, IL...

1. A method of refining hydrocarbons, wherein the method comprises:
providing a cracked stream comprising a sulfur-containing component and cracked hydrocarbons;
compressing the cracked stream to produce a pressurized cracked stream;
separating the pressurized cracked stream to produce a pressurized vapor stream comprising C4? hydrocarbons and a liquid hydrocarbon
stream comprising C3+ hydrocarbons;

separating the liquid hydrocarbon stream to produce a first liquid absorption stream comprising C5+ hydrocarbons and a C4?
hydrocarbon stream;

absorbing C3+ hydrocarbons from the pressurized vapor stream through liquid-vapor phase absorption using the first liquid
absorption stream to produce a residual vapor stream comprising residual C3? hydrocarbons;

absorbing the residual C3? hydrocarbons from the residual vapor stream using a liquid absorption stream different from the
first liquid absorption stream; and

removing the sulfur-containing component prior to absorbing C3+ hydrocarbons from the pressurized vapor stream.

US Pat. No. 9,731,243

LOW PRESSURE RE-ABSORBER AND ITS INTEGRATION WITH SULFUR-RICH SOLVENT FLASH DRUM OR SULFUR-RICH SOLVENT STRIPPER IN AN ABSORPTION UNIT

UOP LLC, Des Plaines, IL...

1. A process for treating a gas stream using solvent comprising sending a feed gas stream to a sulfur absorption unit to produce
a sulfur-rich solvent stream and a sulfur-lean gas stream, sending the sulfur-rich solvent stream to a re-absorber unit and
then to a sulfur-rich solvent flash drum, sending the overhead gas from the sulfur-rich solvent flash drum to the re-absorber
unit, and feeding a solvent stream to the top of the re-absorber unit to produce a re-absorber overhead gas stream that is
lean in sulfur.

US Pat. No. 9,453,174

APPARATUSES AND METHODS FOR REMOVING IMPURITIES FROM A HYDROCARBON STREAM

UOP LLC, Des Plaines, IL...

1. A method for removing impurities including water, sulfur-containing species, and carbon dioxide from a hydrocarbon stream
containing methane, wherein the method comprises the steps of:
providing the hydrocarbon stream comprising methane, water, sulfur-containing species, and carbon dioxide in an amount of
greater than 50 ppm by mole;

selectively adsorbing carbon dioxide, water, and sulfur from the hydrocarbon stream in an adsorption unit including a bed
of silica gel adsorbent, followed by a bed of 5 A molecular sieve adsorbent, and followed by a bed of 13× molecular sieve
adsorbent to produce a treated hydrocarbon stream having less than 50 ppm by mole of carbon dioxide and reduced amounts of
water and sulfur compounds;

splitting the treated hydrocarbon stream into a slip stream and a product stream;
desorbing the adsorbed carbon dioxide to produce a raffinate stream comprising the carbon dioxide by using the slip stream
as a desorbent stream;

separating carbon dioxide from the raffinate stream using a chemical or physical solvent separation technique to produce a
treated raffinate stream having a higher carbon dioxide content than the treated hydrocarbon stream;

splitting the treated raffinate stream into a first portion and a second portion;
combining a first portion of the treated raffinate stream with the product stream for liquefaction; and
recycling a second portion of the treated raffinate stream to the adsorption step.
US Pat. No. 9,435,779

METHOD FOR QUANTITATION OF ACID SITES IN ACIDIC IONIC LIQUIDS USING SILANE AND BORANE COMPOUNDS

UOP LLC, Des Plaines, IL...

15. A method of quantifying an amount of Brønsted acid sites in an acidic ionic liquid comprising:
contacting a known amount of at least one silane or borane compound with the acidic ionic liquid, the Brønsted acid sites
in the acidic ionic liquid reacting with the at least one silane or borane compound resulting in an ionic liquid phase and
a hydrocarbon phase comprising at least one silyl or boryl compound;

separating the ionic liquid phase from the hydrocarbon phase;
measuring an amount of the at least one silyl or boryl compound in the hydrocarbon phase using gas chromatography, infrared
spectroscopy, nuclear magnetic resonance spectroscopy, x-ray fluorescence, liquid chromatography, ion chromatography, or combinations
thereof;

determining the amount of Brønsted acid sites from the measured amount of the at least one silyl or boryl compound.

US Pat. No. 9,387,413

PROCESS AND APPARATUS FOR RECOVERING OLIGOMERATE

UOP LLC, Des Plaines, IL...

1. An apparatus for making oligomers comprising:
an oligomerization zone for oligomerizing olefins in an oligomerization feed stream to produce an oligomerate stream including
hydrocarbons;

a flash drum for separating said oligomerate stream in communication with said oligomerization zone;
a light flash line from the flash drum and a heavy flash line from the flash drum with an inlet to the light flash line above
an inlet to the heavy flash line, wherein the heavy flash line is configured and arranged to receive the heaviest hydrocarbons
from said oligomerate stream;

a fractionation column in communication with said light flash line for fractionating said light flash oligomerate stream;
the overhead line from the fractionation column is in upstream communication with the oligomerization zone;
said oligomerization zone is in downstream communication with said heavy flash line and
wherein said heavy flash line bypasses said fractionation column.

US Pat. No. 9,328,036

HYDROCARBON CONVERSION PROCESS INCLUDING CATALYST REGENERATION

UOP LLC, Des Plaines, IL...

1. A hydrocarbon conversion process comprising:
contacting a hydrocarbon feed with an acidic catalyst under hydrocarbon conversion conditions in a hydrocarbon conversion
zone wherein the hydrocarbon conversion is alkylation of aromatics, alkylation of isoparaffins or both, the acidic catalyst
selected from the group consisting of sulfuric acid, hydrofluoric acid, trifluoromethanesulfonic acid, phosphoric acid, boron
trifluoride, and acidic ionic liquids, the hydrocarbon feed reacting to form a mixture comprising reaction products, the acidic
catalyst, and deactivated acidic catalyst containing conjunct polymer;

separating the mixture into at least two streams, a first stream comprising the reaction products and a second stream comprising
the deactivated acidic catalyst containing conjunct polymer;

recovering the reaction products;
contacting the deactivated acidic catalyst containing the conjunct polymer with at least one silane or borane compound in
a regeneration zone under regeneration conditions, the conjunct polymer reacting with the at least one silane or borane compound
resulting in a catalyst phase and an organic phase containing the conjunct polymer and at least one silyl or boryl compound.

US Pat. No. 9,302,960

PROCESS FOR PRODUCING A FEED STREAM FOR A STEAM CRACKER

UOP LLC, Des Plaines, IL...

1. A process for producing a feed for a steam cracker, the process comprising:
separating a portion of C6 cyclic hydrocarbons from a naphtha stream comprising C5+ hydrocarbons to provide a C6 cyclic hydrocarbons
lean stream;

separating iC5 paraffinic hydrocarbons and iC6 paraffinic hydrocarbons from the C6 cyclic hydrocarbons lean stream; and,
passing a feed stream comprising at least one stream being rich in iC5 paraffinic hydrocarbons, iC6 paraffinic hydrocarbons,
or both to an isomerization zone containing non-chlorided catalyst comprising a sulfated zirconia or a tungstated zirconia
to disproportionate at least some isoparaffins to form iC4, iC5 and iC6 paraffinic hydrocarbons, and isomerize iC4, iC5, and
iC6 isoparaffins to normal paraffins to form an isomerization effluent;

separating the effluent from the isomerization zone into an overhead stream comprising C4? hydrocarbons and a bottoms stream
comprising C5+ hydrocarbons; and,

passing at least one stream from the isomerization zone to a steam cracker.

US Pat. No. 9,302,261

CONTINUOUS CATALYST REGENERATION SYSTEM INCLUDING A BLENDED COOLING AIR STREAM

UOP LLC, Des Plaines, IL...

1. A continuous catalyst regeneration system comprising:
a regeneration tower with a fluid effluent stream being removed from the regeneration tower;
a regeneration cooler in fluid communication with the first effluent stream being removed from the regeneration tower, wherein
the regeneration cooler is an indirect heat exchanger;

a cooler blower that provides a first air stream that is in fluid communication with the regeneration cooler to form a heated
first air stream;

a second air stream that is combined with the heated first air stream to form a blended cooling air stream; and,
a cooling zone cooler in fluid communication with the blended cooling air stream, wherein the cooling zone cooler is an indirect
heat exchanger.