Patents by Inventor Madhusudhan Rao PANCHAGNULA
Madhusudhan Rao PANCHAGNULA 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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Patent number: 11952539Abstract: The present invention provides a process for producing liquid hydrocarbon products from solid biomass and/or residual waste feedstocks.Type: GrantFiled: January 28, 2015Date of Patent: April 9, 2024Assignee: SHELL USA, INC.Inventors: Vikrant Nanasaheb Urade, Alan Anthony Del Paggio, Madhusudhan Rao Panchagnula, Laxmi Narasimhan Chilkoor Soundararajan, Srikant Gopal
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Patent number: 11174438Abstract: The present invention provides a process for producing liquid hydrocarbon products from a biomass, biomass containing and/or biomass-derived feedstock, said process comprising the steps of: a) contacting the feedstock with a first hydropyrolysis catalyst composition and molecular hydrogen in a first hydropyrolysis reactor vessel at a temperature in the range of from 350 to 600° C. and a pressure in the range of from 0.50 to 7.Type: GrantFiled: September 5, 2016Date of Patent: November 16, 2021Assignee: SHELL OIL COMPANYInventors: Vikrant Nanasaheb Urade, Laxmi Narasimhan Chilkoor Soundararajan, Madhusudhan Rao Panchagnula, Alan Anthony Del Paggio
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Patent number: 10822545Abstract: A process for producing liquid hydrocarbon products from a biomass feedstock is provided.Type: GrantFiled: May 23, 2017Date of Patent: November 3, 2020Assignee: Shell Oil CompanyInventors: Vikrant Nanasaheb Urade, Laxmi Narasimhan Chilkoor Soundararajan, Madhusudhan Rao Panchagnula, Alan Anthony Del Paggio
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Patent number: 10526555Abstract: A process for producing methane from a biomass, biomass-containing and/or biomass-derived feedstock is provided. The process comprises: a) providing in a hydropyrolysis reactor vessel a hydropyrolysis catalyst composition, said composition comprising one or more active metals supported on an oxide-based support, said one or more active metals comprising at least one of cobalt and nickel and said one or more active metals being present in total in an amount in the range of from 2 to 75 wt % based on the overall weight of the catalyst composition; b) contacting the feedstock with said hydropyrolysis catalyst composition and molecular hydrogen in said hydropyrolysis reactor vessel, to produce a first product stream comprising char, catalyst fines and gases comprising hydrogen and hydrocarbons, of which hydrocarbons at least 70 wt % is methane and, optionally, CO and CO2; and c) removing said char and catalyst fines from said first product stream.Type: GrantFiled: September 23, 2016Date of Patent: January 7, 2020Assignee: SHELL OIL COMPANYInventors: Vikrant Nanasaheb Urade, Laxmi Narasimhan Chilkoor Soundararajan, Madhusudhan Rao Panchagnula, Dhairya Dilip Mehta
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Publication number: 20190153324Abstract: A process for producing liquid hydrocarbon products from a biomass feedstock is provided.Type: ApplicationFiled: May 23, 2017Publication date: May 23, 2019Inventors: Vikrant Nanasaheb URADE, Laxmi Narasimhan CHILKOOR SOUNDARARAJAN, Madhusudhan Rao PANCHAGNULA, Alan Anthony DEL PAGGIO
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Patent number: 10190056Abstract: The present invention provides a process for producing liquid hydrocarbon products from a solid biomass feedstock, said process comprising the steps of: a) providing in a first hydropyrolysis reactor vessel a first hydropyrolysis catalyst composition; b) contacting the solid biomass feedstock with said first hydropyrolysis catalyst composition and molecular hydrogen in said first hydropyrolysis reactor vessel to produce a product stream comprising partially deoxygenated hydropyrolysis product, H2O, H2, CO2, CO, C1-C3 gases, char and catalyst fines; c) removing said char and catalyst fines from said product stream; d) hydroconverting said partially deoxygenated hydropyrolysis product in a hydroconversion reactor vessel in the presence of one or more hydroconversion catalyst and of the H2O, CO2, CO, H2, and C1-C3 gas generated in step a), to produce a vapor phase product comprising substantially fully deoxygenated hydrocarbon product, H2O, CO, CO2, and C1-C3 gases.Type: GrantFiled: June 29, 2015Date of Patent: January 29, 2019Assignee: SHELL OIL COMPANYInventors: Vikrant Nanasaheb Urade, Laxmi Narasimhan Chilkoor Soundararajan, Srikant Gopal, Madhusudhan Rao Panchagnula, Alan Anthony Del Paggio
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Patent number: 10174259Abstract: The present invention provides a process for producing liquid hydrocarbon products from a solid biomass feedstock, said process comprising the steps of: a) providing in a first hydropyrolysis reactor vessel a first hydropyrolysis catalyst composition; b) contacting the solid biomass feedstock with said first hydropyrolysis catalyst composition and molecular hydrogen in said first hydropyrolysis reactor vessel to produce a product stream comprising partially deoxygenated hydropyrolysis product, H2O, H2, CO2, CO, C1-C3 gases, char and catalyst fines; c) removing said char and catalyst fines from said product stream; d) hydroconverting said partially deoxygenated hydropyrolysis product in a hydroconversion reactor vessel in the presence of one or more hydroconversion catalyst and of the H2O, CO2, CO, H2, and C1-C3 gas generated in step a), to produce a vapor phase product comprising substantially fully deoxygenated hydrocarbon product, H2O, CO, CO2, and C1-C3 gases.Type: GrantFiled: June 29, 2015Date of Patent: January 8, 2019Assignee: SHELL OIL COMPANYInventors: Vikrant Nanasaheb Urade, Laxmi Narasimhan Chilkoor Soundararajan, Madhusudhan Rao Panchagnula, Alan Anthony Del Paggio
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Patent number: 10167429Abstract: The present invention provides a process for producing liquid hydrocarbon products from a solid biomass feedstock, said process comprising the steps of: a) providing in a first hydropyrolysis reactor vessel a first hydropyrolysis catalyst composition; b) contacting the solid biomass feedstock with said first hydropyrolysis catalyst composition and molecular hydrogen in said first hydropyrolysis reactor vessel to produce a product stream comprising partially deoxygenated hydropyrolysis product, H2O, H2, CO2, CO, C1-C3 gases, char and catalyst fines; c) removing said char and catalyst fines from said product stream; d) hydroconverting said partially deoxygenated hydropyrolysis product in a hydroconversion reactor vessel in the presence of one or more hydroconversion catalyst and of the H2O, CO2, CO, H2, and C1-C3 gas generated in step a), to produce a vapor phase product comprising substantially fully deoxygenated hydrocarbon product, H2O, CO, CO2, and C1-C3 gases.Type: GrantFiled: June 29, 2015Date of Patent: January 1, 2019Assignee: SHELL OIL COMPANYInventors: Vikrant Nanasaheb Urade, Laxmi Narasimhan Chilkoor Soundararajan, Madhusudhan Rao Panchagnula, Alan Anthony Del Paggio
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Publication number: 20180273864Abstract: A process for producing methane from a biomass, biomass-containing and/or biomass-derived feedstock is provided. The process comprises: a) providing in a hydropyrolysis reactor vessel a hydropyrolysis catalyst composition, said composition comprising one or more active metals supported on an oxide-based support, said one or more active metals comprising at least one of cobalt and nickel and said one or more active metals being present in total in an amount in the range of from 2 to 75 wt % based on the overall weight of the catalyst composition; b) contacting the feedstock with said hydropyrolysis catalyst composition and molecular hydrogen in said hydropyrolysis reactor vessel, to produce a first product stream comprising char, catalyst fines and gases comprising hydrogen and hydrocarbons, of which hydrocarbons at least 70 wt % is methane and, optionally, CO and CO2; and c) removing said char and catalyst fines from said first product stream.Type: ApplicationFiled: September 23, 2016Publication date: September 27, 2018Applicant: Shell Oil CompanyInventors: Vikrant Nanasaheb URADE, Laxmi Narasimhan CHILKOOR SOUNDARARAJAN, Madhusudhan Rao PANCHAGNULA, Dhairya Dilip MEHTA
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Publication number: 20180245000Abstract: The present invention provides a process for producing liquid hydrocarbon products from a biomass, biomass containing and/or biomass-derived feedstock, said process comprising the steps of: a) contacting the feedstock with a first hydropyrolysis catalyst composition and molecular hydrogen in a first hydropyrolysis reactor vessel at a temperature in the range of from 350 to 600° C. and a pressure in the range of from 0.50 to 7.Type: ApplicationFiled: September 5, 2016Publication date: August 30, 2018Inventors: Vikrant Nanasaheb URADE, Laxmi Narasimhan CHILKOOR SOUNDARARAJAN, Madhusudhan Rao PANCHAGNULA, Alan Anthony DEL PAGGIO
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Patent number: 10005964Abstract: A process for converting a biomass material comprising a) converting a biomass material in one or more steps into one or more C3-C12 oxygenates; b) contacting the one or more C3-C12 oxygenates with hydrogen at a hydrogen partial pressure of more than 1.0 MegaPascal in the presence of a sulphided carbon-carbon coupling catalyst; wherein the carbon-carbon coupling catalyst comprises equal to or more than 60 wt % of a zeolite and in the range from equal to or more than 0.1% wt to equal to or less than 10 wt % of a hydrogenation metal, based on the total weight of the carbon-carbon coupling catalyst.Type: GrantFiled: December 19, 2013Date of Patent: June 26, 2018Assignee: SHELL OIL COMPANYInventors: Vikrant Nanasaheb Urade, Alan Anthony Del Paggio, Laxmi Narasimhan Chilkoor Soundararajan, Madhusudhan Rao Panchagnula
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Patent number: 10005965Abstract: A process for converting one or more C3-C12 oxygenates comprising oxygenates comprising: contacting a feed, which feed comprises one or more C3-C12 oxygenates, with hydrogen at a hydrogen partial pressure of more than 1.0 Mega Pascal in the presence of a sulphided carbon-carbon coupling catalyst; wherein the carbon-carbon coupling catalyst comprises equal to or more than 60 wt % of a zeolite and in the range from equal to or more than 0.1 wt % to equal to or less than 10 wt % of a hydrogenation metal, based on the total weight of the carbon-carbon coupling catalyst; and wherein the zeolite comprises 10-membered and/or 12-membered ring channels and a Silica to Alumina molar Ratio (SAR) in the range from equal to or more than 10 to equal to or less than 300.Type: GrantFiled: December 13, 2013Date of Patent: June 26, 2018Assignee: SHELL OIL COMPANYInventors: Vikrant Nanasaheb Urade, Alan Anthony Del Paggio, Laxmi Narasimhan Chilkoor Soundararajan, Madhusudhan Rao Panchagnula
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Patent number: 9868909Abstract: A process for converting one or more C3-C12 oxygenates comprising: 1) contacting a feed comprising C3-C12 oxygenates with hydrogen in the presence of a sulphided hydrogenation catalyst to produce a partially hydrogenated effluent; 2) contacting the partially hydrogenated effluent with hydrogen at a hydrogen partial pressure of at least 0.1 MegaPascal in the presence of a sulphided carbon-carbon coupling catalyst to produce a conversion product; 3) optionally contacting at least part of the conversion product with hydrogen in the presence of a sulphided hydrotreating catalyst and/or a sulphided hydroisomerization catalyst to produce a conversion product; and 4) optionally purifying the conversion product, optionally hydrotreated and/or hydroisomerized, conversion product to obtain a final product, wherein the carbon-carbon coupling catalyst comprises at least 60 wt % of a zeolite and in the range from 0.Type: GrantFiled: December 19, 2013Date of Patent: January 16, 2018Inventors: Vikrant Nanasaheb Urade, Alan Anthony Del Paggio, Laxmi Narasimhan Chilkoor Soundararajan, Madhusudhan Rao Panchagnula
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Patent number: 9782722Abstract: The present invention provides a catalyst for the decomposition of nitrous oxide, said catalyst comprising oxides of cobalt, zinc and aluminum and an alkali metal promoter.Type: GrantFiled: July 29, 2014Date of Patent: October 10, 2017Assignee: SHELL OIL COMPANYInventors: Srikant Gopal, Andreas Klemt, Ralf Schricker, Madhusudhan Rao Panchagnula
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Publication number: 20170130134Abstract: The present invention provides a process for producing liquid hydrocarbon products from a solid biomass feedstock, said process comprising the steps of: a) providing in a first hydropyrolysis reactor vessel a first hydropyrolysis catalyst composition, said composition comprising one or more active metals selected from cobalt, molybdenum, nickel, tungsten, ruthenium, platinum, palladium, iridium and iron on an oxide support, wherein the one or more active metals are present in an oxidic state; b) contacting the solid biomass feedstock with said first hydropyrolysis catalyst composition and molecular hydrogen in said first hydropyrolysis reactor vessel at a temperature in the range of from 350 to 600° C. and a pressure in the range of from 0.50 to 7.Type: ApplicationFiled: June 29, 2015Publication date: May 11, 2017Inventors: Vikrant Nanasaheb URADE, Laxmi Narasimhan CHILKOOR SOUNDARARAJAN, Madhusudhan Rao PANCHAGNULA, Alan Anthony DEL PAGGIO
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Publication number: 20170121609Abstract: The present invention provides a process for producing liquid hydrocarbon products from a solid biomass feedstock, said process comprising the steps of: a) providing in a first hydropyrolysis reactor vessel a first hydropyrolysis catalyst composition; b) contacting the solid biomass feedstock with said first hydropyrolysis catalyst composition and molecular hydrogen in said first hydropyrolysis reactor vessel to produce a product stream comprising partially deoxygenated hydropyrolysis product, H2O, H2, CO2, CO, C1-C3 gases, char and catalyst fines; c) removing said char and catalyst fines from said product stream; d) hydroconverting said partially deoxygenated hydropyrolysis product in a hydroconversion reactor vessel in the presence of one or more hydroconversion catalyst and of the H2O, CO2, CO, H2, and C1-C3 gas generated in step a), to produce a vapour phase product comprising substantially fully deoxygenated hydrocarbon product, H2O, CO, CO2, and C1-C3 gases.Type: ApplicationFiled: June 29, 2015Publication date: May 4, 2017Inventors: Vikrant Nanasaheb URADE, Laxmi Narasimhan CHILKOOR SOUNDARARAJAN, Madhusudhan RAO PANCHAGNULA, Alan Anthony DEL PAGGIO
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Publication number: 20170114283Abstract: The present invention provides a process for producing liquid hydrocarbon products from a solid biomass feedstock, said process comprising the steps of: a) providing in a first hydropyrolysis reactor vessel a first hydropyrolysis catalyst composition; b) contacting the solid biomass feedstock with said first hydropyrolysis catalyst composition and molecular hydrogen in said first hydropyrolysis reactor vessel to produce a product stream comprising partially deoxygenated hydropyrolysis product, H2O, H2, CO2, CO, C1-C3 gases, char and catalyst fines; c) removing said char and catalyst fines from said product stream; d) hydroconverting said partially deoxygenated hydropyrolysis product in a hydroconversion reactor vessel in the presence of one or more hydroconversion catalyst and of the H2O, CO2, CO, H2, and C1-C3 gas generated in step a), to produce a vapour phase product comprising substantially fully deoxygenated hydrocarbon product, H2O, CO, CO2, and C1-C3 gases.Type: ApplicationFiled: June 29, 2015Publication date: April 27, 2017Inventors: Vikrant Nanasaheb URADE, Laxmi Narasimhan CHILKOOR SOUNDARARAJAN, Srikant GOPAL, Madhusudhan Rao PANCHAGNULA, Alan Anthony DEL PAGGIO
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Publication number: 20170009143Abstract: The present invention provides a process for producing liquid hydrocarbon products from solid biomass and/or residual waste feedstocks, said process comprising the steps of: a) hydropyrolysing the solid feedstock in a hydropyrolysis reactor vessel in the presence of molecular hydrogen and one or more deoxygenation catalyst, producing a product stream comprising partially deoxygenated hydropyrolysis product, H2O, H2, CO2, CO, C1-C3 gases, char and catalyst fines; b) removing said char and catalyst fines from said product stream; c) hydroconverting said partially deoxygenated hydropyrolysis product in a hydroconversion reactor vessel in the presence of one or more hydroconversion catalyst and of the H2O, CO2, CO, H2, and C1-C3 gas generated in step a), producing a vapour phase product comprising substantially fully deoxygenated hydrocarbon product, H2O, CO, CO2, and C1-C3 gases; d) condensing the vapour phase product of step d) to provide a liquid phase product comprising substantially fully deoxygenated C4+ hyType: ApplicationFiled: January 28, 2015Publication date: January 12, 2017Inventors: Vikrant Nanasaheb Urade, Alan Anthony Del Paggio, Madhusudhan Rao Panchagnula, Laxmi Narasimhan Chilkoor Soundararajan, Srikant Gopal
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Publication number: 20160199817Abstract: The present invention provides a catalyst for the decomposition of nitrous oxide, said catalyst comprising oxides of cobalt, zinc and aluminium and an alkali metal promoter.Type: ApplicationFiled: July 29, 2014Publication date: July 14, 2016Applicant: Shell Oil CompanyInventors: Srikant GOPAL, Andreas KLEMT, Ralf SCHRICKER, Madhusudhan Rao PANCHAGNULA
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Publication number: 20150337217Abstract: A process for converting one or more C3-C12 oxygenates comprising oxygenates comprising: contacting a feed, which feed comprises one or more C3-C12 oxygenates, with hydrogen at a hydrogen partial pressure of more than 1.0 Mega Pascal in the presence of a sulphided carbon-carbon coupling catalyst; wherein the carbon-carbon coupling catalyst comprises equal to or more than 60 wt % of a zeolite and in the range from equal to or more than 0.1 wt % to equal to or less than 10 wt % of a hydrogenation metal, based on the total weight of the carbon-carbon coupling catalyst; and wherein the zeolite comprises 10-membered and/or 12-membered ring channels and a Silica to Alumina molar Ratio (SAR) in the range from equal to or more than 10 to equal to or less than 300.Type: ApplicationFiled: December 13, 2013Publication date: November 26, 2015Inventors: Vikrant Nanasaheb URADE, Alan Anthony DEL PAGGIO, Laxmi Narasimhan CHILKOOR SOUNDARARAJAN, Madhusudhan Rao PANCHAGNULA