Assignee: Catalytic Distillation Technologies

Location: Pasadena, TX
No. of patents: 158

Number	Title	Issue Date
8168843	Reformate benzene reduction via transalkylation A process for reducing benzene content in a reformate stream, including: fractionating a full range reformate comprising benzene, C7 to C9 monoalkyl aromatics, and C10+ polyalkyl aromatics into at least three fractions including a li...	05/01/2012
8153854	Gasoline alkylate RVP control A process for producing an alkylate having a low Reid vapor pressure, the process including: contacting a C6+-containing hydrocarbon stream with a mixture of isopentane and isobutane in the presence of an acid catalyst in an alkylation reactor to form a d...	04/10/2012
8143466	Process for benzene removal from gasoline A process for the reduction of benzene in a gasoline stream, the process including: feeding a gasoline fraction including benzene and C6+ hydrocarbons and at least one of an alcohol and an ether to a catalytic distillation column comprising at least one r...	03/27/2012
8124819	Oligomerization process A process for oligomerization of isobutene, the process including: feeding a hydrocarbon stream comprising n-butane, 1-butene, 2-butene, isobutane, and isobutene to a catalytic distillation reactor system comprising a hydroisomerization catalyst; feeding hydrogen to...	02/28/2012
8119848	Preparation of alkylation feed A process for treating an alkylation feedstock comprising olefins, n-alkanes, iso-alkanes, and impurities including one or more of butadiene, oxygenates, nitrogen-containing compounds, and sulfur-containing compounds, the process including: contacting an alkylation ...	02/21/2012
8101810	Reformate benzene reduction via alkylation A process for reformate benzene reduction, the process including: feeding a light reformate fraction, an olefin feed, and an alkylation catalyst to an alkylation reaction zone; contacting the light reformate fraction and the olefin feed in the presence of the alkyla...	01/24/2012
8084661	Extraction of ASO from spent sulfuric acid using liquid SO A process for the regeneration of spent sulfuric acid including contacting spent sulfuric acid containing acid soluble oils (ASO) with sulfur dioxide to extract at least a portion of the ASO from the spent sulfuric acid into the sulfur dioxide. The sulfuric acid pha...	12/27/2011
8043495	Process to hydrodesulfurize FCC gasoline resulting in a low-mercaptan product A process for reducing the sulfur content of a hydrocarbon stream, including: feeding a hydrocarbon stream including sulfur compounds to a catalytic distillation reactor having one or more hydrodesulfurization reaction zones; feeding hydrogen to the catalytic distil...	10/25/2011
8034988	Process for the alkylation of isobutane with dilute propylene A process for alkylation of propylene, the process including: contacting a stream comprising propylene and propane with sulfuric acid in a first reaction zone under conditions to form propylene sulfate esters; contacting the propylene sulfate esters with isoparaffin...	10/11/2011
7982086	Deisobutenizer A process for fractionating isobutene from normal butenes, including: introducing hydrogen and a feed stream comprising isobutene, 1-butene, and 2-butene into a first column including a reaction zone containing a hydroisomerization catalyst operating at a first pres...	07/19/2011
7977525	HSOalkylation by conversion of olefin feed to oligomers and sulfate esters A process for treating an alkylation feedstock comprising olefins, n-alkanes, and iso-alkanes, the process including: contacting at least a portion of the alkylation feedstock with sulfuric acid in a reaction zone under conditions to form sulfate esters of the olefi...	07/12/2011
7927480	Process for desulfurization of cracked naphtha A process for the desulfurization of a fluid catalytically cracked naphtha wherein the valuable olefins are retained and recombinant mercaptans are prevented from forming, resulting in a low sulfur naphtha. Embodiments disclosed herein may allow for more flexibility...	04/19/2011
7888541	Double bond hydroisomerization of butenes A process is disclosed for the preferential conversion to 2-butene of a C4 stream containing 1-butene and 2-butene. The process involves mixing the C4 stream with a first hydrogen stream to form a feed stream, hydroisomerizing the feed stream in the presence of a fi...	02/15/2011
7851645	Process for continuous production of organic carbonates or organic carbamates and solid catalysts therefore Processes for the alcoholysis, inclusive of transesterification and/or disproportionation, of reactants are disclosed. The alcoholysis process may include feeding reactants and a trace amount of soluble organometallic compound to a reactor comprising a solid alcohol...	12/14/2010
7850929	Contact structures An internal static mixing system such as a disperser of mesh wire or expanded metal co-knit with a multi filament material selected from inert polymers, catalytic polymers, catalytic metals or mixtures in combination with a vertical reactor having a reaction zone an...	12/14/2010
7838710	Selective hydrogenation process and catalyst A supported catalyst for selective hydrogenation of acetylenes comprising 3-15 wt. % Ni promoted with 0.005-0.2 Pd on a support. The catalyst is prepared by depositing nickel promoted with palladium on a support, containing one or more optional elements from copper,...	11/23/2010
7825282	Process for the conversion of tertiary butyl alcohol to ethyl tertiary butyl ether A process for the conversion of tertiary butyl alcohol to ethyl tertiary butyl ether, including: dehydrating tertiary butyl alcohol to form a product stream comprising isobutylene and water; separating the product stream to form an isobutylene-rich fraction and a wa...	11/02/2010
7781634	Treatment of olefin feed to paraffin alkylation A process for the removal of aromatic compounds from an olefin feed to a paraffin alkylation is disclosed. The process may include feeding a olefin and aromatic containing hydrocarbon stream and a dilute alkylate product stream comprising alkylate product and unreac...	08/24/2010
7745674	Alkylation slurry reactor A process for alkylation of benzene, including: feeding benzene, a polyalkylate, and a catalyst to a reactor comprising a first and a second reaction zone; reacting the benzene and the polyalkylate in the first reaction zone under transalkylation conditions to form ...	06/29/2010
7737079	Ni catalyst, process for making catalysts and selective hydrogenation process More selective and efficient Ni hydrotreating catalysts are those which contain more than about 60% of the Ni content on the peripheral surface of porous supports, such as extruded alumina, which may be obtained by spraying an atomized solution of a Ni compound onto...	06/15/2010
7737075	Ni catalyst, process for making catalysts and selective hydrogenation process More selective and efficient Ni hydrotreating catalysts are those which contain more than about 60% of the Ni content on the peripheral surface of porous supports, such as extruded alumina, which may be obtained by spraying an atomized solution of a Ni compound onto...	06/15/2010
7723555	Paraffin alkylation process A process for the alkylation of isobutane is disclosed wherein isobutane is fed to two separate alkylation systems. The effluent from the first alkylation system is fed to an interim debutanizer where the C4's are separated from the alkylate product. The ...	05/25/2010
7696119	Process for producing organic carbonates A process for producing various organic carbonates by performing transesterification and disproportionation reactions in dual vapor/liquid phase mode preferably in the presence of solid catalyst composition selected from the group consisting of oxides, hydroxides, o...	04/13/2010
RE41120	Process for ultra low sulfur gasoline A process for removing organic sulfur compounds from heavy boiling range naphtha in a dual purpose reactor wherein the heavy boiling range naphtha is fed downflow over a fixed bed of hydrodesulfurization zone and then treated with hydrogen in a hydrodesulfurization ...	02/16/2010
7649123	Propylene oligomerization process A process for the oligomerization of propylene is disclosed wherein a tungstated zirconia catalyst prepared as a distillation structure is used in a reaction distillation zone under conditions of temperature and pressure to concurrently react the propylene to produc...	01/19/2010
7638041	Process for treating cracked naphtha streams A selected boiling range fluid catalytically cracked naphtha stream is subjected to simultaneous splitting, thioetherification of a light boiling range naphtha and selective hydrogenation of the dienes in a medium boiling range naphtha. ...	12/29/2009
7615673	Propylene oligomerization process A process for the oligomerization of propylene is disclosed wherein MCM-22 zeolite prepared as a distillation structure is used in a reaction distillation zone under conditions of temperature and pressure to concurrently react the propylene to produce oligomers ther...	11/10/2009
7601879	Paraffin alkylation A process for paraffin alkylation of isoalkane with isoolefins in which an olefin component comprising oligomerized propylene, oligomerized isoolefin or mixtures thereof is fed to a paraffin alkylation unit wherein the dissociated olefin components forming the oligo...	10/13/2009
7553997	Hydrogenation of olefinic feedstocks A process for bulk hydrogenation of an olefin-containing feedstock containing a plurality of different unsaturated olefinic hydrocarbon compounds, for example a feedstock containing from 60 to 100 mass % unsaturated olefinic hydrocarbon compounds, by subjecting the ...	06/30/2009
7553995	Method of producing tertiary amyl ethyl ether A process for the production of tertiary ethers, including: feeding a hydrocarbon stream comprising isoolefins and propionitrile to a distillation column reactor system containing at least one etherification reaction zone; feeding a C2 to C6 mo...	06/30/2009
7547810	Coated catalyst for aromatic alkylation A catalyst useful for multi-phase reactors that includes an active component surrounded by a coating on a surface of the active component, wherein the coating provides a liquid film around the active component to increase the useful life of the active component as c...	06/16/2009
7501549	Benzene removal from FCC naphtha An integrated process for the isolation of benzene contained within a fluid catalytically cracked naphtha is disclosed wherein a C6 fraction containing a benzene concentrate is subjected to etherification with alcohol (e.g. methanol and/or ethanol) to con...	03/10/2009
7494584	Energy efficient method for exothermic reactions An energy efficient process scheme for a highly exothermic reaction-distillation system in which the reactor is external to the distillation column and the feed to the reactor is a mixture of at least one liquid product stream from the distillation column with or wi...	02/24/2009
7488861	Process for the co-production of cumene and secondary butyl benzene Cumene and secondary butyl benzene are produced simultaneously in a distillation column reactor by feeding propylene, butylene and benzene to the reactor. Unreacted benzene is removed as overheads and cumene and secondary butyl benzene are removed as products. The c...	02/10/2009
7476637	Coated catalyst for aromatic alkylation A catalyst useful for multi-phase reactors that includes an active component surrounded by a coating on a surface of the active component, wherein the coating provides a liquid film around the active component to increase the useful life of the active component as c...	01/13/2009
7449612	Paraffin alkylation process A process for the alkylation of isobutane is disclosed wherein isobutane is fed to two separate alkylation systems. The effluent from the first alkylation system is fed to an interim debutanizer where the C4's are separated from the alkylate product. The ...	11/11/2008
7431827	Process for the production of low sulfur, low olefin gasoline A process for the production of low sulfur, low olefin gasoline wherein a cracked naphtha, such as a full boiling range cracked naphtha, is first separated by fractional distillation into at least two fractions while simultaneously selectively hydrogenating the poly...	10/07/2008
7410555	Process and apparatus for catalytic distillations A process for reacting a first component with itself or a second component to produce a third component in which a first material comprising a first component or said first component and a second component is fed to divided wall column having a catalytic distillatio...	08/12/2008
7408089	Ni catalyst, process for making catalysts and selective hydrogenation process More selective and efficient Ni hydrotreating catalysts are those which contain more than about 60% of the Ni content on the peripheral surface of porous supports, such as extruded alumina, which may be obtained by spraying an atomized solution of a Ni compound onto...	08/05/2008
7408090	Method of operating downflow boiling point reactors in the selective hydrogenation of acetylenes and dienes Acetylenes and dienes in a stream containing hydrogen, methane, C2-C6 olefins and paraffins, C2-C6 acetylenes and dienes, benzene, toluene, xylenes, and other C6+ components are hydrogenated in a downflow boilin...	08/05/2008

«First «Previous1 2 3 4 Next»Last»

PatentStorm

Bizarre Patents

PatentStorm News

Assignee: Catalytic Distillation Technologies