Patents by Inventor Ye-mon Chen
Ye-mon Chen has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20230093071Abstract: Processes and systems for producing cellulosic ethanol from byproducts of an ethanol production facility and methods and systems for more effectively integrating traditional ethanol production facilities with cellulosic ethanol production to reduce overall energy use and produce ethanol with lower carbon intensity scores.Type: ApplicationFiled: September 21, 2022Publication date: March 23, 2023Inventor: Ye-Mon Chen
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Publication number: 20220002762Abstract: Methods for production of ethanol, distiller's corn oil, and enhanced co-products are disclosed. Methods include obtaining a mixture of one or more co-products of an alcohol production process, which may include wet cake, performing hydrolysis of polysaccharides in the mixture to generate fermentable sugars, fermenting the fermentable sugars in the mixture to produce alcohol, distilling the mixture to remove alcohol from the mixture thereby producing alcohol-containing distillate and enhanced whole stillage, removing released oil from the fermented mixture before distillation and/or from the enhanced whole stillage after distillation, and recovering enhanced wet distiller's grains, enhanced thin stillage, and/or enhanced dried distiller's grains. Compositions disclosed herein include enhanced dried distiller's grains having a cmde protein content of at least 45% on a dry weight basis and having a total fat content of less than 10% on a dry weight basis.Type: ApplicationFiled: November 26, 2019Publication date: January 6, 2022Inventors: Carolina BOTELLA-FRANCO, Sivakumar SADASIVAN VIJAYAKUMARI, Robert Lawrence BLACKBOURN, Paul Richard WEIDER, Ye-Mon CHEN, Yi LIANG, Daniel GAGNE, Ashley Villarreal BAUGH
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Patent number: 10814316Abstract: A process for the production of benzene and ethylene from an alkane-containing gas stream. The alkane-containing gas stream may be contacted, in a reaction zone of a reactor under alkane aromatization conditions, with an aromatization catalyst including any combination of fresh, spent, and regenerated catalyst to produce an outlet stream including (i) spent catalyst and (ii) a product mixture including benzene and ethylene. The spent catalyst may be regenerated in a regeneration zone under regeneration conditions to produce the regenerated catalyst. A selected amount of fresh catalyst may be added to the regeneration zone to produce the mixture of fresh catalyst and regenerated catalyst, which may be recycled to the reaction zone. A ratio of benzene to ethylene in the product mixture may be controlled by modifying the alkane aromatization conditions, the regeneration conditions, and/or the selected amount of fresh catalyst added to the regeneration zone.Type: GrantFiled: December 13, 2017Date of Patent: October 27, 2020Assignee: Shell Oil CompanyInventors: Ann Marie Lauritzen, Ye-Mon Chen, Chi Chiang Lee
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Publication number: 20200078778Abstract: A process for the production of benzene and ethylene from an alkane-containing gas stream. The alkane-containing gas stream may be contacted, in a reaction zone of a reactor under alkane aromatization conditions, with an aromatization catalyst including any combination of fresh, spent, and regenerated catalyst to produce an outlet stream including (i) spent catalyst and (ii) a product mixture including benzene and ethylene. The spent catalyst may be regenerated in a regeneration zone under regeneration conditions to produce the regenerated catalyst. A selected amount of fresh catalyst may be added to the regeneration zone to produce the mixture of fresh catalyst and regenerated catalyst, which may be recycled to the reaction zone. A ratio of benzene to ethylene in the product mixture may be controlled by modifying the alkane aromatization conditions, the regeneration conditions, and/or the selected amount of fresh catalyst added to the regeneration zone.Type: ApplicationFiled: December 13, 2017Publication date: March 12, 2020Inventors: Ann Marie LAURITZEN, Ye-Mon CHEN, Chi Chiang LEE
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Publication number: 20180320085Abstract: Reactor vessel and a feed nozzle assembly for feeding a gas and a liquid into such reactor vessel. The feed nozzle assembly comprises an outer tube supplying a first liquid feed, such as oil, an inner tube supplying a dispersion gas, such as steam, a third tube supplying a second liquid feed, such as biomass, and a nozzle end. A catalytic cracking process wherein two or more hydrocarbon liquids are jointly dispersed into a dispersion gas and jetted via the same feed nozzle assembly into a catalytic cracking reactor.Type: ApplicationFiled: July 11, 2018Publication date: November 8, 2018Inventors: David Jon BROSTEN, Ye-Mon CHEN
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Patent number: 10081767Abstract: Reactor vessel and a feed nozzle assembly for feeding a gas and a liquid into such reactor vessel. The feed nozzle assembly comprises an outer tube supplying a first liquid feed, such as oil, an inner tube supplying a dispersion gas, such as steam, a third tube supplying a second liquid feed, such as biomass, and a nozzle end. A catalytic cracking process wherein two or more hydrocarbon liquids are jointly dispersed into a dispersion gas and jetted via the same feed nozzle assembly into a catalytic cracking reactor.Type: GrantFiled: October 22, 2013Date of Patent: September 25, 2018Assignee: SHELL OIL COMPANYInventors: David Jon Brosten, Ye-Mon Chen
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Publication number: 20170057888Abstract: Implementations of the disclosed subject matter provide a process for the aromatization of a methane-containing gas stream including contacting the methane-containing gas stream in a reaction zone comprising an aromatization catalyst particulate and a hydrogen acceptor particulate under methane-containing gas aromatization reaction conditions to produce reaction products comprising aromatics and gaseous hydrogen. At least a portion of the gaseous hydrogen produced is bound by the hydrogen acceptor particulate in the reaction zone and removed from the reaction products in the reaction zone. Further, the hydrogen acceptor particulate may be separated from the aromatization catalyst particulate in a separation zone under separation conditions.Type: ApplicationFiled: August 24, 2016Publication date: March 2, 2017Inventors: Ye-Mon CHEN, Richard Addison SANBORN, Surya B Reddy KARRI, Yeook ARRINGTON, John G. FINDLAY
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Publication number: 20170057887Abstract: Implementations of the disclosed subject matter provide a process for the aromatization of a methane-containing gas stream may include contacting the methane-containing gas stream in a reaction zone comprising an aromatization catalyst particulate and an inert heat carrier particulate under methane-containing gas aromatization reaction conditions to produce a product stream comprising aromatics in the reaction zone. The inert heat carrier particulate may be separated from the aromatization catalyst particulate in a separation zone under separation conditions. The aromatization catalyst particulate may have a first minimum fluidization velocity and the inert heat carrier particulate may have a second minimum fluidization velocity which may be greater than the first minimum fluidization velocity. The ratio of the second minimum fluidization velocity to the first minimum fluidization velocity may be less than 200 and may be more than 15.Type: ApplicationFiled: August 24, 2016Publication date: March 2, 2017Inventors: Ye-Mon CHEN, Richard Addison SANBORN, Surya B Reddy KARRI, Yeook ARRINGTON, John G. FINDLAY
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Publication number: 20170037072Abstract: A method comprises introducing biomass solids to a digester comprising a reactor, a circulation system including a first injector; providing a catalyst-containing digestion medium and an organic solvent layer floating thereon; circulating the medium through the circulation system; flowing gas through the medium; keeping the medium hot enough to digest the solids; and operating the digester such a headspace exists above the solvent. The digester includes a first eductor having an inlet in the headspace, a second eductor having an inlet in the organic layer, and a downdraft tube having an inlet in the digestion medium. A motive fluid flowing from the first injector draws gas from the headspace into the first eductor, a motive fluid flowing from the first eductor draws fluid from the organic layer into the second eductor, and a motive fluid flowing from the second eductor draws fluid from the digestion medium into the downdraft tube.Type: ApplicationFiled: August 4, 2016Publication date: February 9, 2017Inventors: Joseph Broun POWELL, Andries Quirin Maria BOON, Ye-Mon CHEN, Glenn Charles KOMPLIN
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Publication number: 20160264490Abstract: A process for converting oxygenates to olefins comprising: a) feeding an oxygenate stream to a reactor; b) contacting the oxygenate stream with a molecular sieve catalyst to form products and coke on the catalyst; c) passing the products and entrained catalyst into a first gas/solid separation device to separate the products from the catalyst; d) removing the products from the first gas/solid separation device; e) passing a portion of the catalyst from the reactor to a regenerator; f) regenerating the catalyst in the regenerator by contacting it with a regeneration medium to combust the coke on the catalyst and form combustion products; and g) passing the combustion products and entrained catalyst into a second gas/solid separation device to separate the combustion products from the catalyst wherein the separation efficiency of the first gas/solid separation device is greater than the separation efficiency of the second gas/solid separation device.Type: ApplicationFiled: October 30, 2014Publication date: September 15, 2016Inventors: Richard Addison SANBORN, Bernardus Maria GEERTSHUIS, Leslie Andrew CHEWTER, Ye-Mon CHEN
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Publication number: 20160257626Abstract: A process for converting oxygenates to olefins comprising: a) providing an oxygenate containing stream to an oxygenate to olefins conversion reactor; b) passing the oxygenate containing stream through a feed introduction system comprising one or more nozzles and one or more corresponding caps; c) contacting the oxygenate containing stream with a molecular sieve catalyst in the oxygenate to olefins conversion reactor to form an olefin containing product stream; and d) removing the product stream from the reactor.Type: ApplicationFiled: October 30, 2014Publication date: September 8, 2016Inventors: Richard Addison SANBORN, Sivakumar SADASIVAN VIJAYAKUMARI, Leslie Andrew CHEWTER, Ye-Mon CHEN
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Publication number: 20160251277Abstract: A process for converting oxygenates to olefins comprising: a) contacting an oxygenate containing stream with a molecular sieve catalyst under oxygenate to olefins conversion conditions in a reactor to form an effluent comprising olefins and entrained solids; b) removing the effluent from the reactor; and c) passing the effluent to a cyclone for separation of the olefins from any entrained solids wherein at least one of the inner surfaces of the cyclone is coated with a protective layer.Type: ApplicationFiled: October 30, 2014Publication date: September 1, 2016Inventors: Richard Addison SANBORN, Ye-Mon CHEN, Sivakumar SADASIVAN VIJAYAKUMARI, Leslie Andrew CHEWTER
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Publication number: 20160031774Abstract: A method comprises introducing cellulosic biomass solids to a digester comprising a reactor, gas feed line, biomass feed system, fluid circulation system including a fluid inlet, a pump, and an injector, a screen positioned within the reactor and defining a lower zone therebelow, and a bed of reactor packing material resting on the screen and defining thereby a packed zone; providing a liquid phase digestion medium containing a slurry catalyst in the digester, the catalyst being capable of activating molecular hydrogen; circulating the liquid phase digestion medium through the fluid circulation system; supplying an upwardly directed flow of molecular hydrogen through the cellulosic biomass solids; and maintaining the cellulosic biomass solids and slurry catalyst at a temperature sufficient to cause digestion of cellulosic biomass solids into an alcoholic component.Type: ApplicationFiled: August 6, 2015Publication date: February 4, 2016Inventors: Joseph Broun POWELL, Ye-Mon CHEN
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Publication number: 20150336857Abstract: The present invention provides a process for preparing ethylene and/or propylene, wherein an oxygenate feedstock is contacted with a molecular sieve-comprising catalyst at a temperature in the range of from 350 to 500° C. to obtain a reactor effluent comprising ethylene and/or propylene and the oxygenate feedstock is contacted with the catalyst in a riser reactor having a reactor wall defining a flow trajectory towards a downstream outlet for reactor effluent, wherein at least oxygenate feedstock and catalyst are provided at one or more upstream inlets of the riser reactor and wherein a water quench medium is admitted to the riser reactor at one or more of locations along the length of the flow trajectory through a plurality of inlets distributed along the periphery of the reactor wall. The invention further provides a reaction system suitable for preparing ethylene and propylene.Type: ApplicationFiled: July 1, 2013Publication date: November 26, 2015Inventors: Leslie Andrew CHEWTER, Ye-Mon CHEN, Timothy Michael NISBET, Sivakumar SADASIVAN VIJAYAKUMARI, Jeroen VAN WESTRENEN
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Publication number: 20150337207Abstract: A process for making a distillate product and one or more C2-C4 olefins from a FCC feedstock containing a cellulosic material and a hydrocarbon co-feed is provided.Type: ApplicationFiled: August 3, 2015Publication date: November 26, 2015Inventors: Ye-Mon CHEN, John William HARRIS, Martin Jean Pierre Cornelis NIESKENS, Easwar Santhosh RANGANATHAN, Colin John SCHAVERIEN, Robert Alexander LUDOLPH
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Publication number: 20150307411Abstract: The present invention provides a process for preparing ethylene and/or propylene, comprising the steps of providing an oxygenate feed comprising oxygenate and C4 olefins to a first reaction zone; contacting the oxygenate feed with a first zeolite-comprising catalyst and retrieving from the first reaction zone a first effluent stream comprising at least C2 to C5 olefins; separating the first effluent stream into at least: a first product stream comprising C2 and/or C3 olefins; a second fraction comprising C4 olefins; a third fraction comprising C5 olefins; and recycling at least part of the second fraction to the first reaction zone as part of the oxygenate feed; providing an olefinic feed comprising C5 olefins to a second reaction zone, wherein the olefinic feed comprises at least part of the third fraction; and contacting in the second reaction zone the olefinic feed with a second zeolite-comprising catalyst at a temperature in the range of from 500 to 700° C.Type: ApplicationFiled: December 21, 2012Publication date: October 29, 2015Inventors: Ye Mon CHEN, Timothy Michael NISBET, Sivakumar SADASIVAN VIJAYAKUMARI, Jeroen WESTRENEN
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Publication number: 20150291885Abstract: Reactor vessel and a feed nozzle assembly for feeding a gas and a liquid into such reactor vessel. The feed nozzle assembly comprises an outer tube supplying a first liquid feed, such as oil, an inner tube supplying a dispersion gas, such as steam, a third tube supplying a second liquid feed, such as biomass, and a nozzle end. A catalytic cracking process wherein two or more hydrocarbon liquids are jointly dispersed into a dispersion gas and jetted via the same feed nozzle assembly into a catalytic cracking reactor.Type: ApplicationFiled: October 22, 2013Publication date: October 15, 2015Applicant: SHELL OIL COMPANYInventors: David Jon Brosten, Ye-Mon Chen
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Patent number: 9149773Abstract: A feed nozzle assembly for co-currently introducing gas and liquid into a reactor vessel which feed nozzle assembly comprises (a) an inner tube defining a gas conduit and an outer tube arranged around the inner tube, wherein the outer surface of the inner tube and the inner surface of the outer tube define an annular liquid conduit, and wherein each of the tubes have an inlet end and an opposite outlet end; (b) a first nozzle attached to the outlet end of the inner tube; (c) a second nozzle attached to the outlet end of the outer tube and arranged downstream of the first nozzle, wherein the inner tube contains purging orifices.Type: GrantFiled: September 23, 2011Date of Patent: October 6, 2015Assignee: Shell Oil CompanyInventors: David Jon Brosten, Ye-Mon Chen
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Publication number: 20150190773Abstract: A process for preparing ethylene and/or propylene, wherein oxygenates and olefins are converted to ethylene and/or propylene over a zeolite-comprising catalyst, in two reaction steps. The catalyst is circulated in the reaction system.Type: ApplicationFiled: July 1, 2013Publication date: July 9, 2015Inventors: Leslie Andrew Chewter, Ye-Mon Chen, Timothy Michael Nisbet, Sivakumari Sadasivan Vijayakumari, Jeroen Van Westrenen
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Publication number: 20150119616Abstract: A method for converting oxygenates to olefins comprising: a) feeding an oxygenate containing stream to a reactor; b) contacting the oxygenate containing stream with a molecular sieve catalyst under oxygenate-to-olefin conversion conditions to form products wherein the catalyst becomes deactivated due to the formation of coke on the catalyst; c) removing the products from the reactor; d) removing at least a portion of the catalyst from the reactor and sending the catalyst to a catalyst regenerator; e) contacting the catalyst with a regeneration medium and a fuel to combust at least a portion of the coke and to heat the catalyst; and f) returning at least a portion of the heated catalyst to the reactor wherein the fuel is a light hydrocarbon gas that has been at least partially diluted with nitrogen and/or air.Type: ApplicationFiled: October 29, 2014Publication date: April 30, 2015Inventors: Richard Addison SANBORN, Sivakumar SADASIVAN VIJAYAKUMARI, Leslie Andrew CHEWTER, Ye-Mon CHEN