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Uop Llc patents (2017 archive)


Recent patent applications related to Uop Llc. Uop Llc is listed as an Agent/Assignee. Note: Uop Llc may have other listings under different names/spellings. We're not affiliated with Uop Llc, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "U" | Uop Llc-related inventors


Processes and apparatuses for production of polypropylene

Processes and apparatuses for the production of propylene are provided. In an embodiment, a process is provided for production of propylene from an oxygenate feed comprising passing the oxygenate feed to an oxygenate-to-olefin reactor to contact the oxygenate feed with a catalyst to provide an effluent stream comprising olefins comprising ethylene, propylene and butylene. ... Uop Llc

Process and apparatus for hydrocracking a hydrocarbon stream in two stages with aromatic saturation

A process and apparatus for two stage hydrocracking saturates aromatics from the first stage hydrocracking unit to prevent production of hpna's. The saturated hpna's can be hydrocracked in the second stage to minimize or eliminate purged unconverted oil to approach or obtain maximum conversion. ... Uop Llc

Two-step membrane system with ejector

The present invention involves the use of a two-step membrane system for gas separations. In this two-step membrane system, the membrane system comprises high selectivity and high permeance membranes. ... Uop Llc

High selectivity facilitated transport membranes and their use for olefin/paraffin separations

This invention provides a new facilitated transport membrane comprising a relatively hydrophilic, very small pore, nanoporous support membrane, a hydrophilic polymer inside the very small nanopores on the skin layer surface of the support membrane, a thin, nonporous, hydrophilic polymer layer coated on the surface of the support membrane, and metal salts incorporated in the hydrophilic polymer layer coated on the surface of the support membrane and the hydrophilic polymer inside the very small nanopores, a method of making this membrane, and the use of this membrane for olefin/paraffin separations, particularly for c3=/c3 and c2=/c2 separations.. . ... Uop Llc

Processes and apparatuses for removing benzene for gasoline blending

This present disclosure relates to processes and apparatuses for transforming feedstock with high levels of benzene into a low-benzene content product that is suitable for gasoline blending. The benzene rich reformate stream is split in a reformate splitter and the benzene in the benzene rich reformate is saturated in a benzene saturation unit and the gases like hydrogen and lpg are recovered.. ... Uop Llc

Liquid phase isomar process integration

Processes and apparatuses for producing a c8 aromatic isomer product are provided. The process comprises introducing a reformate stream comprising aromatic hydrocarbons to a reformate splitter column to provide a plurality of streams. ... Uop Llc

Solvent recycle from heavies removal column

. . . . . . . . A process is presented for the recovery of solvent used in an alkylation process. The solvent removes heavy hydrocarbons from a c4 stream. ... Uop Llc

Preferential removal of hexavalent chromium from contaminated water

A composition, process and apparatuses for removal of one or more contaminant anions from water are provided. In an embodiment, the process includes treating the water with a composition comprising a layered metal hydroxy salt, wherein the layered metal hydroxy salt is a compound comprising (a) a metal (b) a framework hydroxide, and (c) a replaceable anion.. ... Uop Llc

Reforming process with improved heater integration

A method and apparatus for processing a hydrocarbon stream are described. The method includes heating a feed stream in a convective bank. ... Uop Llc

Cleansing system for a feed composition based on environmental factors

A cleansing system for improving operation of a petrochemical plant or refinery. The petrochemical plant or refinery may include a fractionation column, a condenser, and a pump. ... Uop Llc

Scallop assembly and reactor

A radial flow reactor is described. It includes a vertically extending vessel, an outer conduit, and a central conduit. ... Uop Llc

Re-direction of vapor flow across tubular condensers

Vapor flow-diverting devices that re-direct upwardly flowing vapor, for example, in a downward direction across condenser tubes disposed in the upper or top section of a vapor-liquid contacting apparatus, are described. These devices are particularly beneficial in tubular condensers within distillation columns and may be used in combination with other associated equipment (e.g., a deflector plate and divider plate) as well as in combination with the tube surface enhancements to improve the heat transfer coefficient.. ... Uop Llc

Non-stripping bioreactor for biological sulfide oxidation from wastewaters and groundwaters containing hydrogen sulfide

A method is presented for biological removal of contaminants like sulfide from ground waters and industrial waters. A portion of the bioreactor effluent water is recycled to the bioreactor and the sulfide oxidizing bacteria by biological oxidation oxidizes sulfides in the water to produce soluble sulfates. ... Uop Llc

Methane conversion apparatus and process using a supersonic flow reactor

Apparatus and methods are provided for converting methane in a feed stream to acetylene. A hydrocarbon stream is introduced into a supersonic reactor and pyrolyzed to convert at least a portion of the methane to acetylene. ... Uop Llc

10/12/17 / #20170291860

Methane conversion apparatus and process using a supersonic flow reactor

Apparatus and methods are provided for converting methane in a feed stream to acetylene. A hydrocarbon stream is introduced into a supersonic reactor and pyrolyzed to convert at least a portion of the methane to acetylene. ... Uop Llc

10/05/17 / #20170283715

Process for recovering hydrogen and liquefied petroleum gas from gaseous streams

A process for recovery hydrogen and lpg from a gaseous separated hydroprocessed stream and a stripper gaseous stream and/or a fractionator gaseous stream by increasing the pressure of the stripper gaseous stream and/or the fractionator gaseous stream. Both streams or all three streams can be subjected to sponge absorption and hydrogen recovery in series.. ... Uop Llc

10/05/17 / #20170283350

Methods and apparatuses for phenol fractionation in a single dividing wall column

This present disclosure relates to processes and apparatuses for use of a single dividing wall distillation column for phenol fractionation. More specifically, the present disclosure relates to processes and apparatuses for phenol fractionation by combining crude acetone column and cumene-ams column into a single dividing wall distillation column. ... Uop Llc

09/28/17 / #20170275541

Process and apparatus for hydrotreating stripped overhead naphtha

An apparatus and process for hydrodesulfurizing hydroprocessed naphtha from an overhead stream of a product fractionation column and/or from an overhead stream of a product stripping column in which an overhead stream may be condensed and fed to a post treat hydrodesulfurization reactor. Hydrogen may be supplied from an upstream separator for separating the hydroprocessed stream. ... Uop Llc

09/28/17 / #20170275540

Process and apparatus for hydrotreating fractionated overhead naphtha

An apparatus and process for hydrodesulfurizing hydroprocessed naphtha from an overhead stream of a product fractionation column and/or from an overhead stream of a product stripping column in which an overhead stream may be condensed and fed to a post treat hydrodesulfurization reactor. Hydrogen may be supplied from an upstream separator for separating the hydroprocessed stream. ... Uop Llc

09/28/17 / #20170274337

Methane conversion apparatus and process using a supersonic flow reactor

Apparatus and methods are provided for converting methane in a feed stream to acetylene. A hydrocarbon stream is introduced into a supersonic reactor and pyrolyzed to convert at least a portion of the methane to acetylene. ... Uop Llc

09/21/17 / #20170266646

Reforming catalysts with tuned acidity for maximum aromatics yield

One exemplary embodiment of the present disclosure can be a catalyst for catalytic reforming of naphtha. More specifically, the present disclosure relates to a reforming catalyst for the catalytic reforming of gasoline-range hydrocarbons that results in increased aromatics production. ... Uop Llc

08/24/17 / #20170240821

Process for producing a diesel fuel by oligomerization

. . . . . . Processes for oligomerizing olefins to produce diesel. The oligomerization zone temperature is controlled to counteract catalyst deactivation caused by coking, by contaminants such as cyclo c5 and/or cyclo c6 hydrocarbons, or both. ... Uop Llc

08/17/17 / #20170234613

Methods and apparatuses for reforming of hydrocarbons including recovery of products using an absorption zone

Embodiments of apparatuses and methods for reforming of hydrocarbons including recovery of products are provided. In one example, a method comprises separating a reforming-zone effluent to form a net gas phase stream and a liquid phase hydrocarbon stream. ... Uop Llc

08/17/17 / #20170233664

Processes and apparatuses for production of olefins

Processes and apparatuses for the production of olefins are provided. In an embodiment, a process for production of a process is provided for increasing light olefin yield comprising passing a hydrocarbon feedstream comprising paraffins, naphthenes and aromatic hydrocarbons to a catalytic reforming unit. ... Uop Llc

08/17/17 / #20170233310

Steady state high temperature reactor

A reactor comprising a thermal barrier surrounding a combustion zone. The reactor further comprises a cooling jacket inner wall and a binder disposed between the cooling jacket inner wall and the thermal barrier, and a cooling jacket outer wall, wherein the cooling jacket inner wall and the cooling jacket outer wall define a cooling channel. ... Uop Llc

08/10/17 / #20170226434

Process for producing diesel from a hydrocarbon stream

A process and apparatus are disclosed for hydrocracking a hydrocarbon feed in a hydrocracking unit and hydrotreating a vaporous hydrocracked stream. The hydrotreated effluent stream can be separated and stripped to produce a ulsd stream fit for storage without further processing. ... Uop Llc

08/03/17 / #20170216809

Methane conversion apparatus and process using a supersonic flow reactor

Apparatus and methods are provided for converting methane in a feed stream to acetylene. A hydrocarbon stream is introduced into a supersonic reactor and pyrolyzed to convert at least a portion of the methane to acetylene. ... Uop Llc

07/27/17 / #20170209807

Alkylation system and a process for cooling a vent stream

One exemplary embodiment can be a process for cooling a vent stream from a receiver. Generally, the process may include providing a refrigerant including at least one compound contained in the receiver so the refrigerant leaking into the receiver can be compatible with the process.. ... Uop Llc

07/20/17 / #20170204338

Methods for reducing flue gas emissions from fluid catalytic cracking unit regenerators

Methods for reducing flue gas particulate emissions from fluid catalytic cracking unit regenerators are provided. In one embodiment, a method for reducing flue gas particulate emissions from an fcc unit regenerator includes the steps of combining biochar with a hydrocarbon feedstock to generate a biochar-containing feedstock and contacting the biochar-containing feedstock with an fcc catalyst. ... Uop Llc

07/20/17 / #20170204025

Integration of n-c4/n-c4=/bd separation system for on-purpose butadiene synthesis

A process for the production of butadiene is presented. The process combines the separation of butenes and butadienes extracted from a non-oxidated dehydrogenation process with the separation of butenes and butadienes from an oxidative dehydrogenation process to increase the butadiene yields and reduce the equipment for the recovery of a butadiene product.. ... Uop Llc

07/06/17 / #20170189884

Reactor for use with an ionic liquid catalyst

A combined heat exchanger and reactor for use with an ionic liquid catalyst reaction. The reactor includes an outer shell configured to receive a cooling fluid which may remove heat from reactions occurring within hollow members disposed inside of the outer shell. ... Uop Llc

06/29/17 / #20170183582

Hydrotreating process and apparatus relating thereto

One exemplary embodiment can be a process for treating a hydroprocessing fraction. The process can include obtaining a bottom stream from a fractionation zone, and passing at least a portion of the bottom stream to a film generating evaporator zone for separating a first stream containing less heavy polynuclear aromatic compounds than a second stream.. ... Uop Llc

06/29/17 / #20170183581

Process and apparatus for recovering hydrogen from hydroprocessed hot flash liquid

A medium separator is used to recover a gaseous stream from a hydroprocessed liquid stream for hydrogen recovery in a hydrogen recovery unit. A medium flash drum may further remove liquid components from the gaseous stream prior to hydrogen recovery in the hydrogen recovery unit.. ... Uop Llc

06/29/17 / #20170183275

Chloride management in ionic liquid alkylation processes

The present invention involves processes and equipment for handling chloride in an ionic liquid alkylation system. The processes involve not only breaking down the organic chloride to active hcl for ionic liquid activation, but also recovering hcl in the effluent downstream to maintain the hcl requirements while also reducing hcl emissions. ... Uop Llc

06/22/17 / #20170174594

Method for selective and regenerative removal of acetaldehyde using thermally decomposed sodium aluminum carbonate hydroxide on alumina

A process is presented for the removal of acetaldehyde from mixture of oxygenates. Acetaldehyde is selectively removed in the presence of other oxygenates like ketones, alcohols and nitriles using an amorphous sodium doped alumina derived from thermally decomposed dawsonite. ... Uop Llc

06/22/17 / #20170174514

Method for oxygen removal from hydrogen using adsorbent

The present subject matter relates generally to a method for the removal of oxygen from hydrogen using a manganese, iron, nickel or cobalt based adsorbent. More specifically, the present subject matter relates to the methods for the removal of oxygen from hydrogen using a manganese based adsorbent without the generation of water or other oxides.. ... Uop Llc

06/15/17 / #20170166605

Transition metal molybdotungsten oxy-hydroxide

A hydroprocessing catalyst has been developed. The catalyst is a unique transition metal molybdotungsten oxy-hydroxide material. ... Uop Llc

06/15/17 / #20170166493

Sapo catalyst for a high pressure mto process

A process is presented for the conversion of oxygenates to olefins. The process utilizes a catalyst comprising a silicoaluminophosphate with an added basic metal oxide. ... Uop Llc

06/15/17 / #20170165656

Transition metal tungsten oxy-hydroxide

A hydroprocessing catalyst has been developed. The catalyst is a unique transition metal tungsten oxy-hydroxide material. ... Uop Llc

06/15/17 / #20170165652

Crystalline transition metal molybdotungstate

A hydroprocessing catalyst has been developed. The catalyst is a unique transition metal tungstate material. ... Uop Llc

06/15/17 / #20170165651

Crystalline ammonia transition metal molybdotungstate

A hydroprocessing catalyst has been developed. The catalyst is a unique crystalline ammonia transition metal molybdotungstate material. ... Uop Llc

06/15/17 / #20170165650

Crystalline transition metal tungstate

A hydroprocessing catalyst has been developed. The catalyst is a unique transition metal tungstate material. ... Uop Llc

06/15/17 / #20170165649

Crystalline ammonia transition metal molybdate

A hydroprocessing catalyst has been developed. The catalyst is a unique crystalline ammonia transition metal molybdate material. ... Uop Llc

06/15/17 / #20170165648

Crystalline transition metal oxy-hydroxide molybdotungstate

A hydroprocessing catalyst has been developed. The catalyst is a unique crystalline transition metal oxy-hydroxide molybdotungstate material. ... Uop Llc

06/15/17 / #20170165647

Crystalline transition metal oxy-hydroxide molybdate

A hydroprocessing catalyst has been developed. The catalyst is a unique crystalline transition metal oxy-hydroxide molybdate material. ... Uop Llc

06/15/17 / #20170165646

Crystalline bis-ammonia metal molybdate

A unique crystalline bis-ammonia metal molybdate material has been developed. The material may be used as a hydroprocessing catalyst. ... Uop Llc

06/15/17 / #20170165645

Novel mixed metal oxides

A unique mixed metal molybdotungstate material has been developed. The material may be used as a hydroprocessing catalyst. ... Uop Llc

06/15/17 / #20170165644

Novel mixed metal oxides

A novel mixed metal molybdate useful as a hydroprocessing catalyst has been created. The hydroprocessing using the novel mixed metal molybdate material may include hydrodenitrification, hydrodesulfurization, hydrodemetallation, hydrodesilication, hydrodearomatization, hydroisomerization, hydrotreating, hydrofining, and hydrocracking.. ... Uop Llc

06/08/17 / #20170158966

Method of increasing the yield of aviation fuel from renewable feedstocks

A method of increasing the yield of renewable aviation fuel is described. A renewable feedstock rich in fatty acids having between 8 and 14 carbon atoms is selected, and the selected feedstock is hydrogenated and deoxygenated in a first reaction zone to provide an effluent rich in normal paraffins having between 9 and 15 carbon atoms. ... Uop Llc

04/27/17 / #20170113979

Retaining circulation of ionic liquid during an emergency or process upset of ionic liquid alkylation process

An alkylation process system uses an ionic liquid as a catalyst which undergoes an interruption in normal operating condition. A method of maintaining the alkylation process system during the interruption of the normal operating condition requires maintaining a circulation of the ionic liquid through the alkylation process system without interruption.. ... Uop Llc

04/27/17 / #20170113162

Ionic liquid waste handling system

A process for treating an ionic liquid containing waste stream is described. If there is a liquid waste stream, the liquid waste stream is introduced into a liquid treatment zone. ... Uop Llc

04/06/17 / #20170097153

Processes for reducing the energy consumption of a catalytic cracking process

Processes and apparatuses for co-processing pyrolysis effluent and a hydrocarbon stream in which a char produced by the catalytic cracking of the pyrolysis effluent is recovered and utilized to provide energy, such as heat to the catalytic cracking zone. The char can be burned in various combustion zones associated with the catalytic cracking zone. ... Uop Llc

04/06/17 / #20170096609

Processes for separating multiple streams from a feed

Processes for separating a feed stream for a combined hydrotreating zone into multiple components. The hydrotreating zone receives at least two streams from the separation, preferably a naphtha stream and a diesel stream. ... Uop Llc

04/06/17 / #20170096608

Vacuum gas oil hydrotreating methods and units

The present invention relates to a hydrotreating process that includes providing a vacuum gas oil stream; heating the vacuum gas oil stream; passing the heated vacuum gas oil stream to a hydrotreating reactor; passing the hydrotreated effluent to a hot separator to form a gas stream and a liquid stream; passing the gas stream to a cold separator to form a heavy liquid stream, a light liquid stream and a vapor stream; and passing the vapor stream to an amine scrubber. Aspects of certain embodiments of the present invention also relate to a hydrotreating process in which the hydrotreating reactor is operated at a pressure within the range of approximately 35-50 kg/cm2g.. ... Uop Llc

04/06/17 / #20170096605

Processes for producing biomass-derived pyrolysis oils

Processes for pyrolyzing biomass. A catalyst is used to both pyrolyze and deoxygenate the biomass within the pyrolysis zone. ... Uop Llc

03/30/17 / #20170087544

Process for removing cl from oxy-dehydro catalyst

A process for the production of olefins from paraffins is presented. The process converts a paraffin stream through an oxy-dehydrogenation to process stream having olefins. ... Uop Llc

03/23/17 / #20170080413

Process and apparatus for regenerating catalyst

A baffle is installed on the wall of a regenerator vessel to push catalyst away from the wall to ensure adequate exposure to regeneration gas and complete combustion of coke from the catalyst. We have found that in deep beds, catalyst can flow down the walls and escape sufficient exposure to regeneration gas and undergo too little regeneration.. ... Uop Llc

03/16/17 / #20170073589

Process for removing sulfur compounds from hydrocarbon streams

A process is presented for the removal of contaminants like sulfur compounds from hydrocarbons. The sulfur compounds are removed from hydrocarbons that may be a feed to cracking units. ... Uop Llc

03/16/17 / #20170073285

Processes and apparatuses for toluene methylation in an aromatics complex

This present disclosure relates to processes and apparatuses for toluene methylation in an aromatics complex for producing paraxylene. More specifically, the present disclosure relates to processes and apparatuses wherein a toluene methylation zone is integrated within an aromatics complex for producing paraxylene thus allowing no benzene byproduct to be produced. ... Uop Llc

03/02/17 / #20170056799

Apparatus for separating particulate solids

An apparatus for separating solid particles from a stream of a mixture of gaseous fluids and solid particles has a separation vessel. A mixture conduit extends vertically into a central section of the separation vessel and defines a discharge opening located within the vessel and tangentially oriented for discharging the stream into an open interior of the vessel and imparting a tangential velocity to the stream. ... Uop Llc

02/23/17 / #20170050176

Processes for removing contaminants from a dehydrogenation effluent

A process for the providing a regenerant gas stream for a regenerable adsorbent used to remove water and hydrogen sulfide from a reactor effluent in a catalytic dehydrogenation process is described. The reactor effluent is compressed in a compressor to provide a compressed effluent. ... Uop Llc

02/16/17 / #20170044120

Organo-1-oxa-4-azonium cyclohexane compounds

Novel 1-oxa-4-azonium cyclohexane salts are described. These compounds can be used as structure directing agents, and they overcome many of the typical problems associated with osda synthesis and subsequent zeolite synthesis. ... Uop Llc

02/09/17 / #20170037326

Processes for treating a hydrocarbon stream

Processes for treating a hydrocarbon stream to remove heteroatoms from the hydrocarbons. A portion of the hydrotreated effluent is separated in a membrane separation zone to remove hydrogen sulfide and ammonia from the effluent portion which includes hydrogen. ... Uop Llc

02/09/17 / #20170037322

Processes for producing a fuel from a renewable feedstock

Processes for the production of transportation fuel from a renewable feedstock. A gaseous mixture of carbon monoxide and hydrogen is used to deoxygenate and hydrogenate the glycerides to produce long chain hydrocarbons. ... Uop Llc

02/02/17 / #20170029722

Processes for producing a fuel from a renewable feedstock

An apparatus and a process for providing a green diesel with improved flow properties. A renewable feed comprising an oil is deoxygenated to provide an effluent. ... Uop Llc

02/02/17 / #20170029347

Processes for producing hydrocarbons from a renewable feedstock

Processes for the production of linear alkylbenzenes from a renewable feedstock. Prior to converting the side chains of the glycerides and free fatty acids of the feedstock into hydrocarbons, the feedstock is separated into a stream rich in c10 and c14 free fatty acids glycerides having c10 and c14 fatty acid side chains and at least one, preferably two, other glyceride streams. ... Uop Llc

01/26/17 / #20170022425

Staged catalyst loading for pyrolysis oil hydrodeoxygenation

A method for deoxygenating a biomass-derived pyrolysis oil is described. The method includes combining a biomass-derived pyrolysis oil stream with a heated low-oxygen-py-oil diluent recycle stream to form a heated diluted py-oil feed stream that has a temperature of about 150° c. ... Uop Llc

01/26/17 / #20170022127

Ionic liquid reactor with hydrocyclones

A method of alkylating a hydrocarbon stream including: providing a feed stream that includes hydrocarbons and ionic liquid catalyst; passing the feed stream through a low efficiency mixer to create a mixed stream, whereby the low efficiency mixer creates droplets within the feed stream that are primarily within a predetermined size range; passing the mixed stream and an olefin stream into a reactor; performing an alkylation reaction within the reactor, thereby forming a reacted stream; and separating the reacted stream into a settled ionic liquid catalyst stream and a hydrocarbon stream through the use of at least one hydrocyclone.. . ... Uop Llc

01/26/17 / #20170022125

Processes for producing polymer grade light olefins from mixed alcohols

Processes for providing a high purity olefin product are described. The processes involve dehydrating a feedstream comprising a mixture of alcohols having 3 to 8 carbon atoms and forming a mixed olefin stream and a water stream, the mixed olefin stream comprising a mixture of olefins having 3 to 8 carbon atoms. ... Uop Llc

01/19/17 / #20170015606

Methane conversion apparatus and process using a supersonic flow reactor

Apparatus and methods are provided for converting methane in a feed stream to acetylene. A hydrocarbon stream is introduced into a supersonic reactor and pyrolyzed to convert at least a portion of the methane to acetylene. ... Uop Llc

01/19/17 / #20170014751

Sulfide oxidation process and apparatus

A separation zone and a method of separating a mixed stream are described. The separation zone includes a tank and a stack having a gas outlet. ... Uop Llc

01/12/17 / #20170009152

Reactor with stripping zone

A hydrotreating reactor including a vessel comprising an upper zone, and intermediate zone and a lower zone. The upper zone comprises at least one upper catalyst bed. ... Uop Llc

01/12/17 / #20170009147

Processes for sweetening a hydrocarbon stream

A process and apparatus for sweetening a hydrocarbon stream. The apparatus includes two vessels. ... Uop Llc

01/05/17 / #20170003017

Process fired heater configuration

An apparatus for a fired heater is presented. The fired heater is designed with process coils inside a shell, and with a positioning of the burners for reducing the size of the fired heater. ... Uop Llc

01/05/17 / #20170002278

Process for conversion of hydrocarbons integrating reforming using a non-noble metal catalyst and dehydrocyclodimerization

The present subject matter relates generally to methods for hydrocarbon conversion. More specifically, the present subject matter relates to methods for integrating reforming and dehydrocyclodimerization, which are both catalytic processes. ... Uop Llc

01/05/17 / #20170002277

Process for conversion of hydrocarbons integrating reforming and dehydrocyclodimerization using different entry points

The present subject matter relates generally to methods for hydrocarbon conversion. More specifically, the present subject matter relates to methods for integrating reforming and dehydrocyclodimerization, which are both catalytic processes. ... Uop Llc

01/05/17 / #20170002276

Process for conversion of hydrocarbons integrating reforming and dehydrocyclodimerization

The present subject matter relates generally to methods for hydrocarbon conversion. More specifically, the present subject matter relates to methods for integrating reforming and dehydrocyclodimerization, which are both catalytic processes. ... Uop Llc

01/05/17 / #20170002274

Process for cracking hydrocarbons to make diesel

A process and apparatus is for recycling hco and/or naphtha from a first fcc unit to a second fcc unit to recover additional distillate and/or light olefins. A first catalyst stream for the first fcc unit may be isolated from a second catalyst stream for the second fcc unit. ... Uop Llc








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