Patents by Inventor Ravichander Narayanaswamy

Ravichander Narayanaswamy 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: 20190161683
    Abstract: A process for processing plastic waste comprising converting plastic waste to hydrocarbon liquid and a first C1-4 gas; contacting hydrocarbon liquid with a first hydroprocessing catalyst in hydroprocessing unit to yield a second C1-4 gas and a first hydrocarbon product comprising C5+ liquid hydrocarbons; introducing the first hydrocarbon product to a first separating unit to produce treated hydrocarbon stream comprising C5-8 hydrocarbons and a first heavies stream comprising C9+ hydrocarbons; contacting the first heavies stream with a second hydroprocessing catalyst in hydrodealkylating unit to yield a second hydrocarbon product comprising C5+ liquid hydrocarbons and a third C1-4 gas; conveying the second hydrocarbon product to the first separating unit; feeding treated hydrocarbon stream to steam cracker to produce steam cracker product; separating steam cracker product into olefin gas, saturated hydrocarbons gas, aromatics, and a second heavies stream; and conveying the second heavies stream to hydroprocess
    Type: Application
    Filed: September 21, 2017
    Publication date: May 30, 2019
    Inventors: Ravichander NARAYANASWAMY, Krishna Kumar RAMAMURTHY, Abrar A. HAKEEM, Lara GALAN-SANCHEZ, Nicolas GOYHENEIX, Santosh GANJI
  • Patent number: 10301561
    Abstract: A process for converting hydrocarbons into olefins and BTX based on a combination of hydrocracking, thermal and catalytic dehydrogenation.
    Type: Grant
    Filed: December 23, 2014
    Date of Patent: May 28, 2019
    Assignees: SAUDI BASIC INDUSTRIES CORPORATION, SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Christoph Dittrich, Joris Van Willigenburg, Raúl Velasco Pelaez, Egidius Jacoba Maria Schaerlaeckens, Andrew Mark Ward, Arno Johannes Maria Oprins, Vijayanand Rajagopalan, Ravichander Narayanaswamy
  • Patent number: 10301559
    Abstract: A process for converting hydrocarbons originating from refinery operations such as atmospheric distillation unit or a fluid catalytic cracking unit (FCC), into lighter boiling hydrocracked hydrocarbons having a boiling point lower than naphthalene and lower.
    Type: Grant
    Filed: December 23, 2014
    Date of Patent: May 28, 2019
    Assignees: SAUDI BASIC INDUSTRIES CORPORATION, SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Arno Johannes Maria Oprins, Ravichander Narayanaswamy, Andrew Mark Ward
  • Patent number: 10260011
    Abstract: The present invention relates to an integrated process to convert crude oil into petrochemical products comprising crude oil distillation, dearomatization, ring opening, and olefins synthesis, which process comprises subjecting a hydrocarbon feed to dearomatization to produce a first stream enriched in aromatic hydrocarbons and naphthenic hydrocarbons and a second stream enriched in alkanes; subjecting a stream enriched in aromatic hydrocarbons and naphthenic hydrocarbons to ring opening to produce alkanes; and subjecting refinery unit-derived alkanes produced in the process to olefins synthesis.
    Type: Grant
    Filed: June 30, 2014
    Date of Patent: April 16, 2019
    Assignees: SAUDI BASIC INDUSTRIES CORPORATION, SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Andrew Mark Ward, Ravichander Narayanaswamy, Arno Johannes Maria Oprins, Vijayanand Rajagopalan, Egidius Jacoba Maria Schaerlaeckens, Raul Velasco Pelaez
  • Patent number: 10259758
    Abstract: The present invention relates to an integrated process to convert crude oil into petrochemical products comprising crude oil distillation, aromatic ring opening, and olefins synthesis, which process comprises subjecting a hydrocarbon feed to aromatic ring opening to produce LPG and subjecting the LPG produced in the integrated process to olefins synthesis. Furthermore, the present invention relates to a process installation to convert crude oil into petrochemical products comprising a crude distillation unit comprising an inlet for crude oil and at least one outlet for kerosene and/or gasoil; an aromatic ring opening unit comprising an inlet for a hydrocarbon feed to aromatic ring opening and an outlet for LPG; and a unit for the olefins synthesis comprising an inlet for LPG produced by the integrated petrochemical process installation and an outlet for olefins.
    Type: Grant
    Filed: October 5, 2018
    Date of Patent: April 16, 2019
    Assignees: SAUDI BASIC INDUSTRIES CORPORATION, SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Andrew Mark Ward, Ravichander Narayanaswamy, Vijayanand Rajagopalan, Arno Johannes Maria Oprins, Egidius Jacoba Maria Schaerlaeckens, Raul Velasco Pelaez
  • Patent number: 10233395
    Abstract: A process for converting mixed waste plastic (MWP) into valuable petrochemicals including feeding MWP to a pyrolysis reactor, converting the MWP into a gaseous stream and a liquid stream, and further processing the gaseous stream into valuable petrochemicals.
    Type: Grant
    Filed: December 23, 2014
    Date of Patent: March 19, 2019
    Assignees: SAUDI BASIC INDUSTRIES CORPORATION, SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Andrew Mark Ward, Arno Johannes Maria Oprins, Ravichander Narayanaswamy
  • Publication number: 20190039970
    Abstract: The present invention relates to an integrated process to convert crude oil into petrochemical products comprising crude oil distillation, aromatic ring opening, and olefins synthesis, which process comprises subjecting a hydrocarbon feed to aromatic ring opening to produce LPG and subjecting the LPG produced in the integrated process to olefins synthesis. Furthermore, the present invention relates to a process installation to convert crude oil into petrochemical products comprising a crude distillation unit comprising an inlet for crude oil and at least one outlet for kerosene and/or gasoil; an aromatic ring opening unit comprising an inlet for a hydrocarbon feed to aromatic ring opening and an outlet for LPG; and a unit for the olefins synthesis comprising an inlet for LPG produced by the integrated petrochemical process installation and an outlet for olefins.
    Type: Application
    Filed: October 5, 2018
    Publication date: February 7, 2019
    Inventors: Andrew Mark WARD, Ravichander NARAYANASWAMY, Vijayanand RAJAGOPALAN, Arno Johannes Maria OPRINS, Egidius Jacoba Maria SCHAERLAECKENS, Raul VELASCO PELAEZ
  • Publication number: 20190039969
    Abstract: The present invention relates to an integrated process to convert crude oil into petrochemical products comprising crude oil distillation, aromatic ring opening, and olefins synthesis, which process comprises subjecting a hydrocarbon feed to aromatic ring opening to produce LPG and subjecting the LPG produced in the integrated process to olefins synthesis. Furthermore, the present invention relates to a process installation to convert crude oil into petrochemical products comprising a crude distillation unit comprising an inlet for crude oil and at least one outlet for kerosene and/or gasoil; an aromatic ring opening unit comprising an inlet for a hydrocarbon feed to aromatic ring opening and an outlet for LPG; and a unit for the olefins synthesis comprising an inlet for LPG produced by the integrated petrochemical process installation and an outlet for olefins.
    Type: Application
    Filed: October 5, 2018
    Publication date: February 7, 2019
    Inventors: Andrew Mark WARD, Ravichander NARAYANASWAMY, Vijayanand RAJAGOPALAN, Arno Johannes Maria OPRINS, Egidius Jacoba Maria SCHAERLAECKENS, Raul VELASCO PELAEZ
  • Publication number: 20180371338
    Abstract: The present invention relates to a process for producing BTX, comprising pyrolysis, aromatic ring opening and BTX recovery. Furthermore, the present invention relates to a process installation to convert a pyrolysis feedstream into BTX, comprising a pyrolysis unit, an aromatic ring opening and a BTX recovery unit.
    Type: Application
    Filed: August 30, 2018
    Publication date: December 27, 2018
    Inventors: Raul Velasco Pelaez, Ravichander Narayanaswamy, Vijayanand Rajagopalan, Arno Johannes Maria Oprins, Andrew Mark Ward, Egidius Jacoba Maria Schaerlaeckens, Joris Van Willigenburg
  • Patent number: 10160920
    Abstract: A sequential cracking process for the thermal cracking of a hydrocarbon feedstock in a cascade of cracking units wherein said hydrocarbon feedstock is heated in a furnace to a predetermined maximum temperature and thermally cracked in the cascade of cracking, such that the formation of coke is reduced.
    Type: Grant
    Filed: December 23, 2014
    Date of Patent: December 25, 2018
    Assignees: SAUDI BASIC INDUSTRIES CORPORATION, SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Vijayanand Rajagopalan, Ravichander Narayanaswamy, Arno Johannes Maria Oprins
  • Patent number: 10160925
    Abstract: A method of controlling the supply and allocation of hydrogen gas in a hydrogen system of a refinery integrated with olefins and aromatics plants to convert crude oil into petrochemicals. The method includes one or more supply sources that provide hydrogen at individual rates, purities, pressures and costs, multiple consumption sites that consume hydrogen at individual rates, purities and pressures and an interconnecting hydrogen distribution network. The method further includes the integration of hydrogen consuming process units with hydrogen producing process units in which hydrogen recovered from the effluents from the hydrogen consuming process units and hydrogen recovered from the hydrogen producing process units are re-used in the hydrogen consuming process units.
    Type: Grant
    Filed: December 23, 2014
    Date of Patent: December 25, 2018
    Assignees: SAUDI BASIC INDUSTRIES CORPORATION, SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Arno Johannes Maria Oprins, Andrew Mark Ward, Egidius Jacoba Maria Schaerlaeckens, Raúl Velasco Pelaez, Ravichander Narayanaswamy, Vijayanand Rajagopalan, Joris Van Willigenburg
  • Patent number: 10138177
    Abstract: The present invention relates to an integrated process to convert crude oil into petrochemical products comprising crude oil distillation, aromatic ring opening, and olefins synthesis, which process comprises subjecting a hydrocarbon feed to aromatic ring opening to produce LPG and subjecting the LPG produced in the integrated process to olefins synthesis. Furthermore, the present invention relates to a process installation to convert crude oil into petrochemical products comprising a crude distillation unit comprising an inlet for crude oil and at least one outlet for kerosene and/or gasoil; an aromatic ring opening unit comprising an inlet for a hydrocarbon feed to aromatic ring opening and an outlet for LPG; and a unit for the olefins synthesis comprising an inlet for LPG produced by the integrated petrochemical process installation and an outlet for olefins.
    Type: Grant
    Filed: June 30, 2014
    Date of Patent: November 27, 2018
    Assignees: SAUDI BASIC INDUSTRIES CORPORATION, SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Andrew Mark Ward, Ravichander Narayanaswamy, Vijayanand Rajagopalan, Arno Johannes Maria Oprins, Egidius Jacoba Maria Schaerlaeckens, Raul Velasco Pelaez
  • Patent number: 10131853
    Abstract: The present invention relates to a process for producing BTX comprising pyrolysis, aromatic ring opening and BTX recovery. Furthermore, the present invention relates to a process installation to convert a pyrolysis feedstream into BTX comprising a pyrolysis unit, an aromatic ring opening unit and a BTX recovery unit.
    Type: Grant
    Filed: December 10, 2014
    Date of Patent: November 20, 2018
    Assignees: SAUDI BASIC INDUSTRIES CORPORATION, SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Raul Velasco Pelaez, Ravichander Narayanaswamy, Vijayanand Rajagopalan, Arno Johannes Maria Oprins, Andrew Mark Ward, Egidius Jacoba Maria Schaerlaeckens, Joris Van Willigenburg
  • Patent number: 10131854
    Abstract: The present invention relates to a process for producing BTX comprising coking, aromatic ring opening and BTX recovery. Furthermore, the present invention relates to a process installation to convert a coker feedstream into BTX comprising a coker unit, an aromatic ring opening unit and a BTX recovery unit.
    Type: Grant
    Filed: December 10, 2014
    Date of Patent: November 20, 2018
    Assignees: SAUDI BASIC INDUSTRIES CORPORATION, SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Arno Johannes Maria Oprins, Ravichander Narayanaswamy, Vijayanand Rajagopalan, Andrew Mark Ward, Egidius Jacoba Maria Schaerlaeckens, Joris van Willigenburg, Raul Velasco Pelaez
  • Patent number: 10125329
    Abstract: A process for preparing a feedstock for a hydroprocessing unit, the feedstock based on crude oil containing asphaltenes and the process including mixing crude oil with a predetermined solvent in a ratio such that no aggregation of asphaltenes in the mixture takes place, and feeding the combined mixture to one or more hydroprocessing units.
    Type: Grant
    Filed: December 23, 2014
    Date of Patent: November 13, 2018
    Assignees: SAUDI BASIC INDUSTRIES CORPORATION, SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Arno Johannes Maria Oprins, Thomas Hubertus Maria Housmans, Vijayanand Rajagopalan, Ravichander Narayanaswamy
  • Patent number: 10119083
    Abstract: A process for converting high boiling hydrocarbon feedstock into lighter boiling hydrocarbon products in which the lighter boiling hydrocarbon products are suitable feedstock for petrochemical processes.
    Type: Grant
    Filed: December 23, 2014
    Date of Patent: November 6, 2018
    Assignees: SAUDI BASIC INDUSTRIES CORPORATION, SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Arno Johannes Maria Oprins, Andrew Mark Ward, Ravichander Narayanaswamy
  • Publication number: 20180216009
    Abstract: Disclosed is a method for producing olefins and aromatic compounds from a hydrogen lean carbon containing feed, the method comprising hydropyrolyzing the hydrogen lean carbon containing feed in the presence of a hydrogen donor feed under reaction conditions sufficient to produce a product comprising olefins and aromatic compounds or a hydrocarbonaceous stream, wherein the hydrocarbonaceous stream is further processed into olefins and aromatic compounds, wherein the olefins and aromatic compounds from (i) or the hydrocarbonaceous stream from (ii) are each obtained by hydrogenation of the hydrogen lean carbon containing feed with the hydrogen donor feed and cracking of carbonaceous compounds comprised in the hydrogenated feed, and wherein the hydrogen donor feed comprises a compound that donates hydrogen to carbonaceous compounds in the hydrogen lean feed.
    Type: Application
    Filed: July 13, 2015
    Publication date: August 2, 2018
    Inventors: Ravichander Narayanaswamy, Krishna Kumar Ramamurthy, Sreenivasan Perinkulam Subramanian
  • Patent number: 9862898
    Abstract: The present invention relates to an integrated process to convert crude oil into petrochemical products comprising crude oil distillation, reforming, dearomatization, fluid catalytic cracking and aromatic ring opening, which process comprises: subjecting crude oil to crude oil distillation to produce naphtha and one or more of kerosene and gasoil; subjecting naphtha to reforming to produce reformer gasoline; subjecting kerosene and/or gasoil to dearomatization to produce a first stream enriched for alkanes and naphthenes and a second stream enriched for aromatics; subjecting the stream enriched for alkanes and naphthenes to pyrolysis to produce a pyrolysis gasoline or to fluid catalytic cracking to produce a FCC gasoline; subjecting the stream enriched for aromatics to aromatic ring opening to produce a ARO gasoline; and subjecting one or more of reformer gasoline, FCC gasoline and ARO gasoline to gasoline treatment to produce BTX.
    Type: Grant
    Filed: June 30, 2014
    Date of Patent: January 9, 2018
    Assignees: Saudi Basic Industries Corporation, Sabic Global Technologies B.V.
    Inventors: Andrew Mark Ward, Ravichander Narayanaswamy, Vijayanand Rajagopalan, Arno Johannes Maria Oprins, Egidius Jacoba Maria Schaerlaeckens, Raul Velasco Pelaez
  • Publication number: 20180002609
    Abstract: Disclosed are methods of reduction of chlorine in pyrolysis products derived from a mixed plastics stream. Methods may comprise: (a) causing pyrolysis of a plastic feedstock to produce a first stream of C1-C4 gaseous hydrocarbons and light gas olefins and a second stream comprising the remaining pyrolysis components. The second stream and hydrogen gas may be fed into a hydrocracker to produce a third stream of gaseous C1-C4 hydrocarbon gases and a fourth stream comprising the remaining hydrocracker components. The fourth stream may be fed to either (i) a steam cracker to produce a fifth stream comprising C1-C4 gaseous hydrocarbons and light gas olefins, a sixth stream comprising C6-C8 hydrocarbons and a seventh stream comprising hydrocarbons heavier than C8; or (ii) a fluidized catalytic cracker to produce an eighth stream comprising C1-C4 gases and light gas olefins and a ninth stream comprising hydrocarbons that are C5 or greater.
    Type: Application
    Filed: June 29, 2017
    Publication date: January 4, 2018
    Inventors: Ravichander Narayanaswamy, Krishna Kumar Ramamurthy, Nicolas Goyheneix, Lara Galan-Sanchez
  • Publication number: 20170121613
    Abstract: A process for converting hydrocarbons originating from refinery operations such as atmospheric distillation unit or a fluid catalytic cracking unit (FCC), into lighter boiling hydrocracked hydrocarbons having a boiling point lower than naphthalene and lower.
    Type: Application
    Filed: December 23, 2014
    Publication date: May 4, 2017
    Inventors: Arno Johannes Maria Oprins, Ravichander NARAYANASWAMY, Andrew Mark WARD