Patents by Inventor Rian Reyneke
Rian Reyneke 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).
-
Publication number: 20240141240Abstract: A system and process for generating, on-site, a sustained C6+C7 aromatic rich solvent stream for tar solvation within the olefin plant employing a two-fuel oil tower system receiving a hydrocarbon feed from a quench water separator drum, where the two-fuel oil tower system is configured to make a sufficient solvent stream containing C6+C7 aromatic rich hydrocarbons that is recycled and mixed with quench water going to the quench water separator drum to assist in removing tar molecules out of the quench water.Type: ApplicationFiled: January 10, 2024Publication date: May 2, 2024Applicant: KELLOGG BROWN & ROOT LLCInventors: David Sellinger, Rian Reyneke, Quo-Chen Yeh, Alok Srivastava, Kristine E. Hamilton, Michael A. Radzicki, Larry J. Shulik, James R. Arnold
-
Patent number: 11905472Abstract: A system and process for generating, on-site, a sustained C6+C7 aromatic rich solvent stream for tar solvation within the olefin plant employing a two-fuel oil tower system receiving a hydrocarbon feed from a quench water separator drum, where the two-fuel oil tower system is configured to make a sufficient solvent stream containing C6+C7 aromatic rich hydrocarbons that is recycled and mixed with quench water going to the quench water separator drum to assist in removing tar molecules out of the quench water.Type: GrantFiled: April 26, 2022Date of Patent: February 20, 2024Assignee: KELLOGG BROWN & ROOT LLCInventors: David Sellinger, Rian Reyneke, Alok Srivastava, Kristine E. Hamilton, Michael A. Radzicki, Larry J. Shulik, James R. Arnold, Quo-Chen Yeh
-
Publication number: 20240043355Abstract: Low carbon dioxide-emitting processes and systems for steam cracking hydrocarbons to produce products such as ethylene are described. The processes and systems involve cracking the feed in a furnace that is configured to burn a hydrogen-rich fuel, which produces less carbon dioxide than methane, which is typically used as fuel for such furnaces. The hydrogen-rich stream can be isolated and recycled from the cracker tail gas.Type: ApplicationFiled: August 4, 2022Publication date: February 8, 2024Applicant: Kellogg Brown & Root LLCInventors: Hendrik Wolterus Klavers, Rian Reyneke, Mark Philip Loring
-
Publication number: 20230390722Abstract: A reactor system and method for catalytic dehydrogenation of saturated C3-C6 hydrocarbons within a reactor placed within a reactor disengager, where the reactor is open at the bottom thereof and open to the disengager, and the exit riser from the reactor is not hard coupled to at least one downstream cyclone. This configuration permits controlling the amount of catalyst within the reactor by varying the level of catalyst in the reactor disengager outside the reactor and permits controlling total catalyst hold-up and/or weight hourly space velocity (WHSV) independently from catalyst flow from the catalyst regenerator.Type: ApplicationFiled: June 1, 2022Publication date: December 7, 2023Applicant: Kellogg Brown & Root LLCInventors: Rian Reyneke, Gautham Krishnaiah, Manoj Nagvekar, Mitchell Biondi, Steven Arthur Tragesser, Akhilesh Pratap, Froylan Guzman, Matthew James Griffiths, Christopher Brian Scharf
-
Publication number: 20230183153Abstract: A method for purifying cumene may include splitting an alkylation reaction product into a first portion and a second portion; feeding the first portion as mostly a liquid into a benzene column; at least partially vaporizing the second portion in a heater; feeding the at least partially vaporized second portion into the benzene column. A method for purifying cumene may also include the steps of providing a benzene column and a cumene column; directing a liquid side draw from the benzene column to the cumene column, the liquid side draw being a liquid substantially free of DIPB; returning a benzene enriched vapor from the cumene column to the benzene column using an overhead line, the benzene enriched vapor having a higher concentration of benzene than the liquid side draw; and drawing purified cumene from the cumene column.Type: ApplicationFiled: December 8, 2022Publication date: June 15, 2023Applicant: KELLOGG BROWN & ROOT LLCInventors: Rian Reyneke, Eric Wing-Tak Wong
-
Patent number: 11649199Abstract: A method to recover refrigeration credit from propane feed to a propane dehydrogenation reactor by fully condensing a Depropanizer overhead stream, letting the condensed stream down in pressure, and vaporizing the stream at lower pressure against process streams to recover refrigeration credit.Type: GrantFiled: March 11, 2022Date of Patent: May 16, 2023Assignee: Kellogg Brown & Root LLCInventor: Rian Reyneke
-
Patent number: 11548843Abstract: In a propane dehydrogenation (PDH) process, the purpose of the deethanizer and chilling train systems is to separate the cracked gas into a methane-rich tail gas product, a C2, and a C3 process stream. By the use of staged cooling, process-to-process inter-change against propane feed to the reactor and use of high efficiency heat exchangers and distributed distillation techniques, refrigeration power requirements are reduced and a simple and reliable design is provided by the process described herein.Type: GrantFiled: October 26, 2021Date of Patent: January 10, 2023Assignee: Kellogg Brown & Root LLCInventor: Rian Reyneke
-
Patent number: 11530172Abstract: Methods and systems for steam cracking a mixed butane containing feed stream are disclosed. The feed stream includes n-butane and isobutane. The disclosed methods and systems entail splitting the feed into an enriched n-butane fraction and an enriched isobutane fraction. The enriched n-butane fraction is provided to the cracking furnaces, which yield the olefin products and also yield C4 species. The C4 species are partially hydrogenated and provided as a reactant feed to an alkylation reaction. The enriched isobutane fraction is also provided to the alkylation reaction, whereby high value alkylate product is produced. The disclosed methods and systems have increase olefins (especially ethylene) yield because the feed to the cracking process is enriched in n-butane. The economics are also improved because high value alkylate product is produced from a portion of the isobutane.Type: GrantFiled: November 18, 2020Date of Patent: December 20, 2022Assignee: KELLOGG BROWN & ROOT LLCInventors: Rian Reyneke, Hendrik Wolterus Klavers
-
Publication number: 20220340825Abstract: A system and process for generating, on-site, a sustained C6+C7 aromatic rich solvent stream for tar solvation within the olefin plant employing a two-fuel oil tower system receiving a hydrocarbon feed from a quench water separator drum, where the two-fuel oil tower system is configured to make a sufficient solvent stream containing C6+C7 aromatic rich hydrocarbons that is recycled and mixed with quench water going to the quench water separator drum to assist in removing tar molecules out of the quench water.Type: ApplicationFiled: April 26, 2022Publication date: October 27, 2022Applicant: Kellogg Brown & Root LLCInventors: David Sellinger, Rian Reyneke, Alok Srivastava, Kristine E. Hamilton, Michael A. Radzicki, Larry J. Shulik, James R. Arnold
-
Publication number: 20220194876Abstract: A method to recover refrigeration credit from propane feed to a propane dehydrogenation reactor by fully condensing a Depropanizer overhead stream, letting the condensed stream down in pressure, and vaporizing the stream at lower pressure against process streams to recover refrigeration credit.Type: ApplicationFiled: March 11, 2022Publication date: June 23, 2022Applicant: KELLOGG BROWN & ROOT LLCInventor: Rian Reyneke
-
Publication number: 20220153658Abstract: Methods and systems for steam cracking a mixed butane containing feed stream are disclosed. The feed stream includes n-butane and isobutane. The disclosed methods and systems entail splitting the feed into an enriched n-butane fraction and an enriched isobutane fraction. The enriched n-butane fraction is provided to the cracking furnaces, which yield the olefin products and also yield C4 species. The C4 species are partially hydrogenated and provided as a reactant feed to an alkylation reaction. The enriched isobutane fraction is also provided to the alkylation reaction, whereby high value alkylate product is produced. The disclosed methods and systems have increase olefins (especially ethylene) yield because the feed to the cracking process is enriched in n-butane. The economics are also improved because high value alkylate product is produced from a portion of the isobutane.Type: ApplicationFiled: November 18, 2020Publication date: May 19, 2022Applicant: KELLOGG BROWN & ROOT LLCInventors: Rian Reyneke, Hendrik Wolterus Klavers
-
Patent number: 11306045Abstract: A method to recover refrigeration credit from propane feed to a propane dehydrogenation reactor by fully condensing a Depropanizer overhead stream, letting the condensed stream down in pressure, and vaporizing the stream at lower pressure against process streams to recover refrigeration credit.Type: GrantFiled: September 10, 2020Date of Patent: April 19, 2022Assignee: KELLOGG BROWN & ROOT LLCInventor: Rian Reyneke
-
Publication number: 20220041528Abstract: In a propane dehydrogenation (PDH) process, the purpose of the deethanizer and chilling train systems is to separate the cracked gas into a methane-rich tail gas product, a C2, and a C3 process stream. By the use of staged cooling, process-to-process inter-change against propane feed to the reactor and use of high efficiency heat exchangers and distributed distillation techniques, refrigeration power requirements are reduced and a simple and reliable design is provided by the process described herein.Type: ApplicationFiled: October 26, 2021Publication date: February 10, 2022Applicant: KELLOGG BROWN & ROOT LLC.Inventor: Rian Reyneke
-
Patent number: 11198661Abstract: In a propane dehydrogenation (PDH) process, the purpose of the deethanizer and chilling train systems is to separate the cracked gas into a methane-rich tail gas product, a C2, and a C3 process stream. By the use of staged cooling, process-to-process inter-change against propane feed to the reactor and use of high efficiency heat exchangers and distributed distillation techniques, refrigeration power requirements are reduced and a simple and reliable design is provided by the process described herein.Type: GrantFiled: September 10, 2020Date of Patent: December 14, 2021Assignee: KELLOGG BROWN & ROOT LLCInventor: Rian Reyneke
-
Patent number: 11117108Abstract: A process where external fuel oil is used to wash entrained catalyst from a fluidized-bed propane dehydrogenation reactor effluent, where the fuel oil and catalyst mixture is returned to the reactor to provide the net fuel required for catalyst regeneration. Optionally the fluidized-bed propane dehydrogenation reactor effluent and the fuel oil are contacted in a direct contact inline device before entering a flash zone in the reactor vessel.Type: GrantFiled: September 13, 2019Date of Patent: September 14, 2021Assignee: Kellogg Brown & Root LLCInventors: Rian Reyneke, Jose Manuel Urquiaga, Truc Vu, Jeffrey Donald Caton
-
Publication number: 20210077967Abstract: A process where external fuel oil is used to wash entrained catalyst from a fluidized-bed propane dehydrogenation reactor effluent, where the fuel oil and catalyst mixture is returned to the reactor to provide the net fuel required for catalyst regeneration. Optionally the fluidized-bed propane dehydrogenation reactor effluent and the fuel oil are contacted in a direct contact inline device before entering a flash zone in the reactor vessel.Type: ApplicationFiled: September 13, 2019Publication date: March 18, 2021Applicant: Kellogg Brown & Root LLCInventors: Rian Reyneke, Jose Manuel Urquiaga, Truc Vu, Jeffrey Donald Caton
-
Publication number: 20210070676Abstract: A method to recover refrigeration credit from propane feed to a propane dehydrogenation reactor by fully condensing a Depropanizer overhead stream, letting the condensed stream down in pressure, and vaporizing the stream at lower pressure against process streams to recover refrigeration credit.Type: ApplicationFiled: September 10, 2020Publication date: March 11, 2021Applicant: KELLOGG BROWN & ROOT LLCInventor: Rian Reyneke
-
Publication number: 20210070675Abstract: In a propane dehydrogenation (PDH) process, the purpose of the deethanizer and chilling train systems is to separate the cracked gas into a methane-rich tail gas product, a C2, and a C3 process stream. By the use of staged cooling, process-to-process inter-change against propane feed to the reactor and use of high efficiency heat exchangers and distributed distillation techniques, refrigeration power requirements are reduced and a simple and reliable design is provided by the process described herein.Type: ApplicationFiled: September 10, 2020Publication date: March 11, 2021Applicant: Kellogg Brown & Root LLCInventor: Rian Reyneke
-
Publication number: 20170261257Abstract: A method of cooling an ethylene discharge gas includes the steps of drawing a liquid ethane from a C2 splitter; reducing a pressure of the drawn liquid ethane in a let-down valve to produce a cooled liquid ethane; cooling the ethylene discharge gas with the cooled liquid ethane in a vaporizer, the cooled liquid ethane exiting the vaporizer as an ethane vapor; pressurizing the ethane vapor in a heat pump to produce a heated vapor ethane; and returning the heated vapor ethane to the C2 splitter. The ethylene discharge gas may be from an ethylene refrigerant compressor.Type: ApplicationFiled: March 14, 2016Publication date: September 14, 2017Inventors: Rian Reyneke, VIJENDER K. VERMA
-
Publication number: 20100217059Abstract: The process of this invention represents an improved, low-energy method for recovering a purified ethylene product from the effluent of an autothermal cracking reactor. The process consists of a cracked gas chilling train, a front-end ethylene distributor, a demethanizer, and a C2 splitter. Hydrocarbons heavier than ethylene, including ethane, propylene, and propane are recycled in a single stream to the ATC reactor. Acetylene removal from the ethylene product can be accomplished either through a front-end hydrogenation unit or an acetylene extraction unit. This invention is particularly useful when the fresh hydrocarbon feed to the autothermal cracking reactor is ethane or a mixture of ethane and propane.Type: ApplicationFiled: July 28, 2005Publication date: August 26, 2010Inventors: Rian Reyneke, Michael J. Foral, Graeme Parker, Wayne W.Y. Eng