Patents by Inventor Stephen J. Stanley
Stephen J. Stanley 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: 20230407186Abstract: A method of thermally cracking a hydrocarbon feed (105) includes feeding the hydrocarbon feed (105) into at least one coil (130) in a reaction section (112) of an electric heater (110), using electrical energy to heat the hydrocarbon feed (105) in the electric heater (110) to a reaction temperature, and directing a reaction output from the electric heater (110) to at least one exchanger (150) to cool the reaction output.Type: ApplicationFiled: November 2, 2021Publication date: December 21, 2023Applicant: LUMMUS TECHNOLOGY LLCInventors: Kandasamy Meenakshi Sundaram, Stephen J. Stanley
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Publication number: 20230303935Abstract: A process including preheating a hydrocarbon feed in a first preheat zone of a convection section, recovering a preheated hydrocarbon stream; heating the preheated hydrocarbon stream in a secondary transferline exchanger, recovering a heated hydrocarbon stream; feeding the heated hydrocarbon stream to a second preheat zone of the convection section to vaporize a portion of heated hydrocarbon stream, recovering a cracking feedstream; cracking hydrocarbons in the cracking feedstream in one or more coils in a radiant section, recovering a cracked hydrocarbon product; and cooling the cracked hydrocarbon product in the secondary transferline exchanger in indirect heat exchange with the preheated hydrocarbon stream, recovering a cooled hydrocarbon product stream.Type: ApplicationFiled: March 22, 2023Publication date: September 28, 2023Inventors: Kandasamy M. Sundaram, Thomas W. Gronauer, Baozhong Zhao, Stephen J. Stanley, Marijn Kamphuijs, Frank D. McCarthy, Jose De Barros
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Publication number: 20230303934Abstract: An electrically heated furnace including one or more unit cells. Each unit cell includes a radiant heating section, one or more process coils disposed within the radiant heating section, and a quench unit for cooling a cracked product from the one or more process coils and producing a quenched reaction product. The furnace also includes one or more electrical heating elements disposed within the radiant heating section, the one or more electrical heating elements are arranged to provide radiant energy to the one or more process coils. Further, the electrically heated furnace includes a first area corresponding to a heating area of the one or more electrical heating elements, a second area corresponding to a wall area of the wall on which the one or more electrical heating elements are disposed, and a third area corresponding to a surface area of the one or more process coils.Type: ApplicationFiled: February 16, 2023Publication date: September 28, 2023Applicant: LUMMUS TECHNOLOGY LLCInventors: Baozhong Zhao, David Lee Guymon, Richard John Jibb, Xueping Li, Kandasamy Sundaram, Eduardo Hart Rhedey, Stephen J. Stanley
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Patent number: 11634649Abstract: Integrated pyrolysis and hydrocracking systems and processes for efficiently cracking of hydrocarbon mixtures, such as mixtures including compounds having a normal boiling temperature of greater than 450° C., 500° C., or even greater than 550° C., such as whole crudes for example, are disclosed.Type: GrantFiled: October 1, 2020Date of Patent: April 25, 2023Assignee: LUMMUS TECHNOLOGY LLCInventors: Kandasamy Meenakshi Sundaram, Stephen J. Stanley, Ronald M. Venner, Ujjal K. Mukherjee
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Patent number: 11421167Abstract: Integrated pyrolysis and hydrocracking systems and processes for efficiently cracking of hydrocarbon mixtures, such as mixtures including compounds having a normal boiling temperature of greater than 450° C., 500° C., or even greater than 550° C., such as whole crudes for example, are disclosed.Type: GrantFiled: September 30, 2020Date of Patent: August 23, 2022Assignee: LUMMUS TECHNOLOGY LLCInventors: Ujjal K. Mukherjee, Kandasamy Meenakshi Sundaram, Ronald M. Venner, Stephen J. Stanley
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Publication number: 20220154084Abstract: A system for cracking hydrocarbons including a fired heater having a radiant section and a convective section. The radiant coil is disposed within the radiant section of the heater, the radiant coil having three to seven rows of tubes, wherein each row comprises two multi-pass tubes, and wherein the multi-pass tubes of the three to seven rows of tubes are collectively disposed symmetrically or pseudo symmetrically within the radiant section of the heater. The system further including a transfer line exchanger fluidly connected to an outlet tube of each of the three to seven rows of tubes.Type: ApplicationFiled: November 16, 2021Publication date: May 19, 2022Inventors: Stephen J. Stanley, Kandasamy M. Sundaram, Baozhong Zhao
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Publication number: 20210017462Abstract: Integrated pyrolysis and hydrocracking systems and processes for efficiently cracking of hydrocarbon mixtures, such as mixtures including compounds having a normal boiling temperature of greater than 450° C., 500° C., or even greater than 550° C., such as whole crudes for example, are disclosed.Type: ApplicationFiled: September 30, 2020Publication date: January 21, 2021Applicant: LUMMUS TECHNOLOGY LLCInventors: Ujjal K. Mukherjee, Kandasamy Meenakshi Sundaram, Ronald M. Venner, Stephen J. Stanley
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Publication number: 20210017463Abstract: Integrated pyrolysis and hydrocracking systems and processes for efficiently cracking of hydrocarbon mixtures, such as mixtures including compounds having a normal boiling temperature of greater than 450° C., 500° C., or even greater than 550° C., such as whole crudes for example, are disclosed.Type: ApplicationFiled: October 1, 2020Publication date: January 21, 2021Applicant: LUMMUS TECHNOLOGY LLCInventors: Kandasamy Meenakshi Sundaram, Stephen J. Stanley, Ronald M. Venner, Ujjal K. Mukherjee
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Patent number: 10793793Abstract: Integrated pyrolysis and hydrocracking systems and processes for efficiently cracking of hydrocarbon mixtures, such as mixtures including compounds having a normal boiling temperature of greater than 450° C., 500° C., or even greater than 550° C., such as whole crudes for example, are disclosed.Type: GrantFiled: July 18, 2018Date of Patent: October 6, 2020Assignee: LUMMUS TECHNOLOGY LLCInventors: Kandasamy Meenakshi Sundaram, Stephen J. Stanley, Ronald M. Venner, Ujjal K. Mukherjee
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Publication number: 20190023999Abstract: Integrated pyrolysis and hydrocracking systems and processes for efficiently cracking of hydrocarbon mixtures, such as mixtures including compounds having a normal boiling temperature of greater than 450° C., 500° C., or even greater than 550° C., such as whole crudes for example, are disclosed.Type: ApplicationFiled: July 18, 2018Publication date: January 24, 2019Applicant: LUMMUS TECHNOLOGY LLCInventors: Kandasamy Meenakshi Sundaram, Stephen J. Stanley, Ronald M. Venner, Ujjal K. Mukherjee
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Patent number: 9422209Abstract: A process for producing propylene is disclosed, including: fractionating a mixed C4 hydrocarbon stream to recover a first fraction comprising isobutene and a second fraction comprising 2-butene; contacting the first fraction with a first metathesis catalyst in a first metathesis reaction zone; recovering an effluent from the first metathesis reaction zone comprising at least one of ethylene, propylene, unreacted isobutene, C5 olefins, and C6 olefins; contacting the second fraction and the ethylene in the effluent with a second metathesis catalyst in a second metathesis reaction zone; recovering an effluent from the second reaction zone comprising at least one of unreacted ethylene, propylene, unreacted 2-butene, fractionating the effluent from the first metathesis reaction zone and the effluent from the second metathesis reaction zone to recover an ethylene fraction, a propylene fraction, one or more C4 fractions, and a fraction comprising at least one of C5 and C6 olefins.Type: GrantFiled: September 12, 2013Date of Patent: August 23, 2016Assignee: Lummus Technology Inc.Inventors: Stephen J. Stanley, Robert J. Gartside, Thulusidas Chellppannair
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Patent number: 8952211Abstract: A process for recovering ethylene is disclosed, the process including: recovering a ethylene-containing stream comprising methane, ethylene, and nitrogen oxides from at least one of an ethylene production process and an ethylene recovery process; separating the ethylene-containing stream via extractive distillation using at least one C2+ hydrocarbon absorbent to produce an overheads fraction comprising methane and nitrogen oxides and a bottoms fraction comprising the at least one C2+ hydrocarbon absorbent and ethylene; wherein the separating comprises operating the extractive distillation at temperatures and pressures sufficient to prevent any substantial conversion of nitrogen oxides to N2O3.Type: GrantFiled: March 18, 2013Date of Patent: February 10, 2015Assignee: Lummus Technology Inc.Inventors: Stephen J. Stanley, Stephen De Haan, Peter Daniel Kuzma, Jr.
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Publication number: 20140081061Abstract: A process for producing propylene is disclosed, including: fractionating a mixed C4 hydrocarbon stream to recover a first fraction comprising isobutene and a second fraction comprising 2-butene; contacting the first fraction with a first metathesis catalyst in a first metathesis reaction zone; recovering an effluent from the first metathesis reaction zone comprising at least one of ethylene, propylene, unreacted isobutene, C5 olefins, and C6 olefins; contacting the second fraction and the ethylene in the effluent with a second metathesis catalyst in a second metathesis reaction zone; recovering an effluent from the second reaction zone comprising at least one of unreacted ethylene, propylene, unreacted 2-butene, fractionating the effluent from the first metathesis reaction zone and the effluent from the second metathesis reaction zone to recover an ethylene fraction, a propylene fraction, one or more C4 fractions, and a fraction comprising at least one of C5 and C6 olefins.Type: ApplicationFiled: September 12, 2013Publication date: March 20, 2014Applicant: LUMMUS TECHNOLOGY INC.Inventors: Stephen J. Stanley, Robert J. Gartside, Thulusidas Chellppannair
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Patent number: 8445740Abstract: A process for recovering ethylene is disclosed, the process including: recovering a ethylene-containing stream comprising methane, ethylene, and nitrogen oxides from at least one of an ethylene production process and an ethylene recovery process; separating the ethylene-containing stream via extractive distillation using at least one C2+ hydrocarbon absorbent to produce an overheads fraction comprising methane and nitrogen oxides and a bottoms fraction comprising the at least one C2+ hydrocarbon absorbent and ethylene; wherein the separating comprises operating the extractive distillation at temperatures and pressures sufficient to prevent any substantial conversion of nitrogen oxides to N2O3.Type: GrantFiled: November 23, 2010Date of Patent: May 21, 2013Assignee: Lummus Technology Inc.Inventors: Stephen J. Stanley, Stephen De Haan, Peter Daniel Kuzma, Jr.
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Publication number: 20110071332Abstract: A process for recovering ethylene is disclosed, the process including: recovering a ethylene-containing stream comprising methane, ethylene, and nitrogen oxides from at least one of an ethylene production process and an ethylene recovery process; separating the ethylene-containing stream via extractive distillation using at least one C2+ hydrocarbon absorbent to produce an overheads fraction comprising methane and nitrogen oxides and a bottoms fraction comprising the at least one C2+ hydrocarbon absorbent and ethylene; wherein the separating comprises operating the extractive distillation at temperatures and pressures sufficient to prevent any substantial conversion of nitrogen oxides to N2O3.Type: ApplicationFiled: November 23, 2010Publication date: March 24, 2011Applicant: LUMMUS TECHNOLOGY INC.Inventors: Stephen J. Stanley, Stephen De Haan, Peter Daniel Kuzma
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Patent number: 6414205Abstract: A process for the selective hydrogenation of the methyl acetylene and propadiene (MAPD) in a propylene rich stream is disclosed wherein the selective hydrogenation is carried out stepwise (a) first in a single pass fixed bed reactor and then (b) in a distillation column reactor containing a supported PdO hydrogenation catalyst which serves as a component of a distillation structure. Conversion and selectivity to propylene in improved over the use of the single pass fixed bed reactor alone.Type: GrantFiled: March 24, 2000Date of Patent: July 2, 2002Assignee: Catalytic Distillation TechnologiesInventors: Stephen J. Stanley, Gary R. Gildert
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Patent number: 5979177Abstract: A refrigeration system for an ethylene plant uses a low pressure demethanizer and a binary refrigerant comprising a mixture of methane and ethylene or methane and ethane. The refrigeration composition may be constant throughout the system or separators may be used to divide the refrigerant into a methane-rich binary refrigerant and an ethylene- or ethane-rich binary refrigerant.Type: GrantFiled: January 6, 1998Date of Patent: November 9, 1999Assignee: ABB Lummus Global Inc.Inventors: Charles Sumner, Vitus Tuan Wei, John J. Crawford, Stephen J. Stanley, Richard John McNab
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Patent number: 5925799Abstract: In an olefins plant for the production and recovery of ethylene and propylene, the hydrogenation of the C.sub.2 acetylenes, the C.sub.3 acetylenes and dienes and the C.sub.4 and heavier acetylenes, dienes and olefins and the selective separation of the resulting products is carried out by the use of various arrangements of one or more reaction distillation columns. These columns contain a hydrogenation catalyst in enriching and stripping sections and concurrently perform a catalytic hydrogenation reaction and a distillation function.Type: GrantFiled: August 19, 1997Date of Patent: July 20, 1999Assignee: ABB Lummus Global Inc.Inventors: Stephen J. Stanley, Charles Sumner
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Patent number: 5679241Abstract: The C.sub.2 to C.sub.5 and heavier acetylenes and dienes in a thermally cracked feed stream are hydrogenated without significantly hydrogenating the C.sub.2 and C.sub.3 olefins. Additionally, the C.sub.4 and heavier olefins may be hydrogenated. Specifically, the cracked gas feed in an olefin plant is hydrogenated in a distillation reaction column containing a hydrogenation catalyst without the necessity of separating the hydrogen out of the feed and without any significant hydrogenation of the ethylene and propylene. A combined reaction-fractionation step known as catalytic distillation hydrogenation is used to simultaneously carry out the reactions and separations while maintaining the hydrogenation conditions such that the ethylene and propylene remain substantially un-hydrogenated and essentially all of the other C.sub.2 and heavier unsaturated hydrocarbons are hydrogenated. Any unreacted hydrogen can be separated by a membrane and then reacted with separated C.sub.Type: GrantFiled: May 17, 1995Date of Patent: October 21, 1997Assignees: ABB Lummus Global Inc., Chemical Research & Licensing CompanyInventors: Stephen J. Stanley, Francis D. McCarthy, Charles Sumner, Gary Robert Gildert
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Patent number: 5647972Abstract: A method of processing a cracked gas feedstream containing hydrogen and C.sub.1 to C.sub.6 and heavier hydrocarbons is described using a relatively low pressure as compared to conventional cryogenic separation processes. At pressures below 27 bars, the feedstream is dried and cooled in a series of steps to initially separate out essentially all of the C.sub.6 and heavier hydrocarbons forming a vapor stream containing the hydrogen, the C.sub.1 to C.sub.3 hydrocarbons and at least some of the C.sub.4 and C.sub.5 hydrocarbons. The C.sub.4 and C.sub.5 components act as an absorption liquid to lower the light ends partial pressure permitting the condensation of C.sub.2 and C.sub.3 components at higher temperature levels and permitting the operation at lower pressures. The vapor stream is then further cooled and separated in another series of steps and processed in a demethanizer column in a manner to provide a high pressure hydrogen and methane overhead product and a high recovery of C.sub.2 and C.sub.Type: GrantFiled: January 5, 1995Date of Patent: July 15, 1997Assignee: ABB Lummus Global Inc.Inventors: Steven I. Kantorowicz, Stephen J. Stanley, David M. Wadsworth, Rene C. L. Warner