Patents by Inventor Vijayanand Rajagopalan
Vijayanand Rajagopalan 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: 20220112150Abstract: A process for producing acetic acid includes: (a) reacting, via a catalytic partial oxidation (CPO) reaction, a CPO reactant mixture in a CPO reactor to produce a hydrogen-lean syngas; wherein the hydrocarbons include equal to or greater than about 3 mol % C2+ alkanes; wherein the hydrogen-lean syngas includes hydrogen, carbon monoxide, carbon dioxide, and unreacted hydrocarbons; and wherein the hydrogen-lean syngas is characterized by a hydrogen to carbon monoxide (H2/CO) molar ratio of from about 0.7 to about 1.3. Also included is (b) feeding at least a portion of the hydrogen-lean syngas and dimethyl ether (DME) to a DME carbonylation unit to produce methyl acetate and a hydrogen-enriched syngas characterized by a H2/CO molar ratio of from about 1.8 to about 2.2; and (c) feeding at least a portion of the methyl acetate and water to a methyl acetate hydrolysis reaction zone to produce acetic acid and a methanol stream.Type: ApplicationFiled: January 2, 2020Publication date: April 14, 2022Applicant: ENI S.P.AInventors: Vijayanand RAJAGOPALAN, Atul PANT, Ravichander NARAYANASWAMY
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Publication number: 20220112081Abstract: A process for producing hydrogen-lean syngas includes the steps of reacting, via a catalytic partial oxidation (CPO) reaction, a CPO reactant mixture in a CPO reactor to produce the hydrogen-lean syngas, wherein the CPO reactant mixture includes hydrocarbons and oxygen. The hydrocarbons include greater than or equal to about 3 mol % C2+ alkanes, wherein the CPO reactor include a CPO catalyst, and wherein the hydrogen-lean syngas include hydrogen, carbon monoxide, carbon dioxide, water, and unreacted hydrocarbons The hydrogen-lean syngas is characterized by a molar ratio of hydrogen to carbon monoxide (H2/CO) in a range of from about 0.8 to about 1.6. A system for carrying out the process is also provided.Type: ApplicationFiled: January 2, 2020Publication date: April 14, 2022Inventors: Vijayanand RAJAGOPALAN, Atul PANT, Ravichander NARAYANASWAMY
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Method for converting a high-boiling hydrocarbon feedstock into lighter boiling hydrocarbon products
Patent number: 10899978Abstract: The present invention relates to a process for converting a high-boiling hydrocarbon feedstock into lighter boiling hydrocarbon products, said lighter boiling hydrocarbon products being suitable as a feedstock for petrochemicals processes, said converting process comprising the following steps of: feeding a hydrocarbon feedstock having a boiling point of >350 deg Celsius to a cascade of hydrocracking unit(s), feeding the bottom stream of a hydrocracking unit as a feedstock for a subsequent hydrocracking unit, wherein the process conditions in each hydrocracking unit(s) are different from each other, in which the hydrocracking conditions from the first to the subsequent hydrocracking unit(s) increase from least severe to most severe, and processing the lighter boiling hydrocarbon products from each hydrocracking unit(s) as a feedstock for one or more petrochemicals processes.Type: GrantFiled: June 30, 2014Date of Patent: January 26, 2021Assignees: SAUDI BASIC INDUSTRIES CORPORATION, SABIC GLOBAL TECHNOLOGIES B.V.Inventors: Andrew Mark Ward, Ravichander Narayanaswamy, Vijayanand Rajagopalan, Lakshmikant Suryakant Powale, Thomas Hubertus Maria Housmans, Arno Johannes Maria Oprins, William Jay Turner -
Patent number: 10787401Abstract: 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: GrantFiled: April 1, 2019Date of Patent: September 29, 2020Assignees: 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
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Patent number: 10676681Abstract: The present invention relates to an integrated process to convert crude oil into petrochemical products comprising crude oil distillation, hydrocracking and olefins synthesis, which process comprises subjecting a hydrocracker feed to hydrocracking to produce LPG and BTX and subjecting the LPG produced in the 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 one or more of naphtha, kerosene and gasoil; a hydrocracker comprising an inlet for a hydrocracker feed, an outlet for LPG and an outlet for BTX; and a unit for olefins synthesis comprising an inlet for LPG produced by the integrated petrochemical process installation and an outlet for olefins.Type: GrantFiled: June 30, 2014Date of Patent: June 9, 2020Assignees: 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
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Patent number: 10563136Abstract: 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: GrantFiled: August 30, 2018Date of Patent: February 18, 2020Assignees: 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
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Patent number: 10513476Abstract: 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: GrantFiled: October 5, 2018Date of Patent: December 24, 2019Assignees: 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
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Publication number: 20190322952Abstract: The present invention relates to process for cracking a hydrocarbon feedstock in a steam cracker unit, comprising the following steps of: feeding a hydrocarbon feedstock to a first hydrocracking unit, feeding the hydrocarbon feedstock thus cracked to a separation unit for obtaining a stream high in paraffins and naphtenes, a stream high in heavy aromatics and a stream high in mono-aromatics feeding the stream high in paraffins and naphtenes to a second hydrocracking unit, wherein the process conditions in the first hydrocracking unit differ from the process conditions in the second hydrocracking unit, separating the stream thus hydrocracked in the second hydrocracking unit in a high content aromatics stream and gaseous stream comprising C2-C4 paraffins, hydrogen and methane, feeding the gaseous stream to a steam cracker unit.Type: ApplicationFiled: May 6, 2019Publication date: October 24, 2019Inventors: Andrew Mark WARD, Arno Johannes Maria OPRINS, Thomas Hubertus Maria HOUSMANS, Ravichander NARAYANASWAMY, Vijayanand RAJAGOPALAN, Lakshmikant Suryakant POWALE
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Patent number: 10407629Abstract: The present invention relates to an integrated process to convert crude oil into petrochemical products comprising crude oil distillation, hydrocracking, aromatization and olefins synthesis. Furthermore, the present invention relates to a process installation to convert crude oil into petrochemical products comprising a crude distillation unit, a hydrocracker, an aromatization unit and a unit for olefins synthesis.Type: GrantFiled: December 10, 2014Date of Patent: September 10, 2019Assignees: SAUDI BASIC INDUSTRIES CORPORATION, SABIC GLOBAL TECHNOLOGIES B.V.Inventors: Arno Johannes Maria Oprins, Ravichander Narayanaswamy, Vijayanand Rajagopalan, Andrew Mark Ward, Joris van Willigenburg, Raul Velasco Pelaez, Egidius Jacoba Maria Schaerlaeckens
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Publication number: 20190225562Abstract: 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: ApplicationFiled: April 1, 2019Publication date: July 25, 2019Inventors: Andrew Mark WARD, Ravichander NARAYANASWAMY, Vijayanand RAJAGOPALAN, Arno Johannes Maria OPRINS, Egidius Jacoba Maria SCHAERLAECKENS, Raul VELASCO PELAEZ
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Patent number: 10329215Abstract: A methane conversion process for producing C2+ hydrocarbons comprising (a) introducing a reactant mixture comprising methane (>20 mol %) and an inert compound to a reaction unit to produce a reactor effluent stream comprising C2+ hydrocarbons, methane, the inert compound, and water and/or carbon dioxide; (b) removing at least a portion of the water and/or at least a portion of the carbon dioxide from the reactor effluent stream to produce a demethanizer feed stream; (c) feeding at least a portion of the demethanizer feed stream to a demethanizer unit to produce two or more vapor streams (methane rich stream and inert rich stream), and at least one liquid stream (C2+ hydrocarbons); (d) withdrawing at least a portion of the inert rich stream as a purge stream; (e) recycling any remaining portion of the inert rich stream to the reaction unit; and (f) recycling the methane rich stream to the reaction unit.Type: GrantFiled: January 16, 2019Date of Patent: June 25, 2019Assignee: Sabic Global Technologies, B.V.Inventors: Vijayanand Rajagopalan, Robert Broekhuis, Pankaj Singh Gautam, Vidya Sagar Reddy Sarsani
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Patent number: 10316259Abstract: A process for converting hydrocarbon feedstock into olefins and BTX including feeding a hydrocarbon feedstock to a first hydrocracking unit, feeding effluent from the first hydrocracking unit to a first separation section to be separated, feeding a steam including propane to a dehydrogenation unit, and feeding effluent from the dehydrogenation unit to a second separation section.Type: GrantFiled: December 23, 2014Date of Patent: June 11, 2019Assignees: SAUDI BASIC INDUSTRIES CORPORATION, SABIC GLOBAL TECHNOLOGIES B.V.Inventors: Christoph Dittrich, Joris Van Willigenburg, Raúl Velasco Pelaez, Egidius Jacoba Maria Schaerlaeckens, Vijayanand Rajagopalan, Andrew Mark Ward, Arno Johannes Maria Oprins, Ravichander Narayanaswamy
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Patent number: 10301561Abstract: A process for converting hydrocarbons into olefins and BTX based on a combination of hydrocracking, thermal and catalytic dehydrogenation.Type: GrantFiled: December 23, 2014Date of Patent: May 28, 2019Assignees: 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
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Publication number: 20190144359Abstract: A methane conversion process for producing C2+ hydrocarbons comprising (a) introducing a reactant mixture comprising methane (>20 mol %) and an inert compound to a reaction unit to produce a reactor effluent stream comprising C2+ hydrocarbons, methane, the inert compound, and water and/or carbon dioxide; (b) removing at least a portion of the water and/or at least a portion of the carbon dioxide from the reactor effluent stream to produce a demethanizer feed stream; (c) feeding at least a portion of the demethanizer feed stream to a demethanizer unit to produce two or more vapor streams (methane rich stream and inert rich stream), and at least one liquid stream (C2+ hydrocarbons); (d) withdrawing at least a portion of the inert rich stream as a purge stream; (e) recycling any remaining portion of the inert rich stream to the reaction unit; and (f) recycling the methane rich stream to the reaction unit.Type: ApplicationFiled: January 16, 2019Publication date: May 16, 2019Inventors: Vijayanand RAJAGOPALAN, Robert BROEKHUIS, Pankaj Singh GAUTAM, Vidya Sagar Reddy SARSANI
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Patent number: 10260011Abstract: 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: GrantFiled: June 30, 2014Date of Patent: April 16, 2019Assignees: 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
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Patent number: 10259758Abstract: 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: GrantFiled: October 5, 2018Date of Patent: April 16, 2019Assignees: 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
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Publication number: 20190039970Abstract: 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: ApplicationFiled: October 5, 2018Publication date: February 7, 2019Inventors: Andrew Mark WARD, Ravichander NARAYANASWAMY, Vijayanand RAJAGOPALAN, Arno Johannes Maria OPRINS, Egidius Jacoba Maria SCHAERLAECKENS, Raul VELASCO PELAEZ
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Publication number: 20190039969Abstract: 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: ApplicationFiled: October 5, 2018Publication date: February 7, 2019Inventors: Andrew Mark WARD, Ravichander NARAYANASWAMY, Vijayanand RAJAGOPALAN, Arno Johannes Maria OPRINS, Egidius Jacoba Maria SCHAERLAECKENS, Raul VELASCO PELAEZ
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Publication number: 20180371338Abstract: 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: ApplicationFiled: August 30, 2018Publication date: December 27, 2018Inventors: Raul Velasco Pelaez, Ravichander Narayanaswamy, Vijayanand Rajagopalan, Arno Johannes Maria Oprins, Andrew Mark Ward, Egidius Jacoba Maria Schaerlaeckens, Joris Van Willigenburg
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Patent number: 10160920Abstract: 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: GrantFiled: December 23, 2014Date of Patent: December 25, 2018Assignees: SAUDI BASIC INDUSTRIES CORPORATION, SABIC GLOBAL TECHNOLOGIES B.V.Inventors: Vijayanand Rajagopalan, Ravichander Narayanaswamy, Arno Johannes Maria Oprins