Patents by Inventor Jens-Henrik Bak Hansen
Jens-Henrik Bak Hansen 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: 9393552Abstract: An egg-shell catalyst consisting of an active compound in the form of an alloy of nickel and one of iridium, rhodium and ruthenium, on a support comprising alumina, zirconia, magnesia, titania or combinations thereof. The catalyst is used in a process for the steam reforming of hydrocarbons.Type: GrantFiled: November 25, 2014Date of Patent: July 19, 2016Assignee: Haldor Topsoe A/SInventors: Martin Skov Skjøth-Rasmussen, Fernando Morales Cano, Jens-Henrik Bak Hansen, Martin Østberg, Thomas Sandahl Christensen
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Publication number: 20150080212Abstract: An egg-shell catalyst consisting of an active compound in the form of an alloy of nickel and one of iridium, rhodium and ruthenium, on a support comprising alumina, zirconia, magnesia, titania or combinations thereof. The catalyst is used in a process for the steam reforming of hydrocarbons.Type: ApplicationFiled: November 25, 2014Publication date: March 19, 2015Inventors: Martin Skov Skjøth-Rasmussen, Fernando Morales Cano, Jens-Henrik Bak Hansen, Martin Østberg, Thomas Sandahl Christensen
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Patent number: 8916492Abstract: Process for the steam reforming of hydrocarbons comprising contacting a feed gas with a catalyst consisting of an active compound in the form of an alloy of nickel and one of iridium, rhodium and ruthenium, on a support comprising alumina, zirconia, magnesia, titania, or combinations thereof.Type: GrantFiled: March 18, 2011Date of Patent: December 23, 2014Assignee: Haldor Topsoe A/SInventors: Martin Skov Skjøth-Rasmussen, Fernando Cano Morales, Jens-Henrik Bak Hansen, Martin Østberg, Thomas Sandahl Christensen
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Publication number: 20120329645Abstract: Process for the steam reforming of hydrocarbons comprising contacting a feed gas with a catalyst consisting of an active compound in the form of an alloy of nickel and one of iridium, rhodium and ruthenium, on a support comprising alumina, zirconia, magnesia, titania, or combinations thereof.Type: ApplicationFiled: March 18, 2011Publication date: December 27, 2012Applicant: HALDOR TOPSOE A/SInventors: Martin Skov Skjøth-Rasmussen, Fernando Cano Morales, Jens-Henrik Bak Hansen, Martin Østberg, Thomas Sandahl Christensen
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Patent number: 7717971Abstract: Process and system for the production of synthesis gas from a hydrocarbon feed stock comprising the steps of endothermic and/or adiabatic catalytic steam reforming and autothermal steam reforming in series, wherein the steam reforming is carried out in one or more endothermic stages in series or in one or more adiabatic steam reforming stages in series with intermediate heating of feed stock gas leaving the adiabatic reforming stages and wherein carbon monoxide containing gas characterised by having a molar ratio of hydrogen to carbon of less than 4.5 is added prior to at least one of the endothermic or adiabatic steam reforming stages and/or prior to the autothermal steam reforming step.Type: GrantFiled: June 6, 2007Date of Patent: May 18, 2010Assignee: Haldor Topsoe A/SInventors: Kim Aasberg-Petersen, Ib Dybkjær, Peter Seier Christensen, Thomas Rostrup-Nielsen, Niels Erikstrup, Jens-Henrik Bak Hansen
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Patent number: 7547332Abstract: Process and apparatus for the preparation of synthesis gas by catalytic steam and/or CO2 reforming of a hydrocarbon feedstock comprising the following steps: (a) heating the reaction mixture of hydrocarbon and steam and/or CO2 in a heated steam reforming unit integrated with the flue gas containing waste heat section from the fired tubular reformer in which reforming of the reaction mixture takes place by contact with a solid reforming catalyst (b) feeding the partially steam reformed mixture to the fired tubular reformer and further reforming the mixture to the desired composition and temperature, wherein the heated steam reforming unit comprises a piping system containing reaction sections with solid reforming catalyst comprising catalyst pellets and/or catalysed structured elements, the piping system being part of the process gas piping system integrated with the flue gas-containing waste heat section.Type: GrantFiled: February 23, 2006Date of Patent: June 16, 2009Assignee: Haldor Topsoe A/SInventors: Peter Scier Christensen, Thomas Rostrup Nielsen, Niels Erikstrup, Kim Assberg-Petersen, Jens-Henrik Bak Hansen, Ib Dybkjer
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Patent number: 7241401Abstract: Process and system for the production of synthesis gas from a hydrocarbon feed stock comprising the steps of endothermic and/or adiabatic catalytic steam reforming and autothermal steam reforming in series, wherein the steam reforming is carried out in one or more endothermic stages in series or in one or more adiabatic steam reforming stages in series with intermediate heating of feed stock gas leaving the adiabatic reforming stages and wherein carbon monoxide containing gas characterised by having a molar ratio of hydrogen to carbon of less than 4.5 is added prior to at least one of the endothermic or adiabatic steam reforming stages and/or prior to the autothermal steam reforming step.Type: GrantFiled: September 23, 2003Date of Patent: July 10, 2007Assignee: Haldor Topsoe A/SInventors: Kim Aasberg-Petersen, Ib Dybkjaer, Peter Seier Christensen, Thomas Rostrup-Nielsen, Niels Erikstrup, Jens-Henrik Bak Hansen
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Patent number: 7094363Abstract: Process and apparatus for the preparation of synthesis gas by catalytic steam and/or CO2 reforming of a hydrocarbon feedstock comprising the following steps: (a) heating the reaction mixture of hydrocarbon and steam and/or CO2 in a heated steam reforming unit integrated with the flue gas containing waste heat section from the fired tubular reformer in which reforming of the reaction mixture takes place by contact with a solid reforming catalyst (b) feeding the partially steam reformed mixture to the fired tubular reformer and further reforming the mixture to the desired composition and temperature, wherein the heated steam reforming unit comprises a piping system containing reaction sections with solid reforming catalyst comprising catalyst pellets and/or catalysed structured elements, the piping system being part of the process gas piping system integrated with the flue gas-containing waste heat section.Type: GrantFiled: September 24, 2003Date of Patent: August 22, 2006Assignee: Haldor Topsoe A/SInventors: Peter Seier Christensen, Thomas Rostrup Nielsen, Niels Erikstrup, Kim Aasberg-Petersen, Jens-Henrik Bak Hansen, Ib Dybkjaer
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Patent number: 7087192Abstract: Process and apparatus for the preparation of synthesis gas by catalytic steam and/or CO2 reforming of a hydrocarbon feedstock comprising the following steps: (a) heating the reaction mixture of hydrocarbon feedstock and steam and/or CO2 in the flue gas containing waste heat section from the fired tubular reformer (b) adiabatic reforming of the reaction mixture outside the waste heat section by contact with a solid reforming catalyst (c) repeating steps (a) and (b) until the desired reaction mixture composition and temperature is reached (d) feeding the reaction mixture to the fired tubular reformer and further reforming the mixture to the desired composition and temperature, wherein the adiabatic reforming of the reaction mixture is conducted in the process gas piping system in the flue gas-containing waste heat section, the piping system having adiabatic zones outside the heating section and containing solid reforming catalysts comprising one or more catalyzed structured elements.Type: GrantFiled: September 23, 2003Date of Patent: August 8, 2006Assignee: Haldor Topsoe A/SInventors: Thomas Rostrup-Nielsen, Niels Erikstrup, Peter Seier Christensen, Kim Aasberg-Petersen, Jens-Henrik Bak Hansen, Ib Dybkjaer
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Patent number: 7074347Abstract: Process for the production of synthesis gas by catalytic steam reforming of a hydrocarbon containing feedstock in parallel in an autothermal steam reformer and in one or more steam reformers in series, the heat for the steam reforming reactions in the one or more steam reformers being provided by indirect heat exchange with the combined effluents from the one or more steam reformers with the autothermal steam reformer, and wherein carbon monoxide containing gas is added to the feedstock prior to the steam reforming in the autothermal steam reformer and/or prior to the steam reforming in the one or more steam reformers, the carbon monoxide containing gas having a molar ratio of hydrogen to carbon of less than 4.5 and being added in an amount resulting in a product stream having a molar ratio of hydrogen to carbon monoxide of between about 1.8 and 2.3.Type: GrantFiled: September 25, 2003Date of Patent: July 11, 2006Assignee: Haldor Topsoe A/SInventors: Niels Erikstrup, Thomas Rostrup-Nielsen, Peter Seier Christensen, Jens-Henrik Bak Hansen, Ib Dybkjer, Kim Aasberg-Petersen
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Publication number: 20040065014Abstract: Process and apparatus for the preparation of synthesis gas by catalytic steam and/or CO2 reforming of a hydrocarbon feedstock comprising the following steps:Type: ApplicationFiled: September 24, 2003Publication date: April 8, 2004Inventors: Peter Scier Christensen, Thomas Rostrup Nielsen, Niels Erikstrup, Kim Aasberg-Petersen, Jens-Henrik Bak Hansen, Ib Dybkjer
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Publication number: 20040060239Abstract: Process and apparatus for the preparation of synthesis gas by catalytic steam and/or CO2 reforming of a hydrocarbon feedstock comprising the following steps:Type: ApplicationFiled: September 23, 2003Publication date: April 1, 2004Inventors: Thomas Rostrup-Nielsen, Niels Eriksaup, Peter Seier Christensen, Kim Aasberg-Petersen, Jens-Henrik Bak Hansen, Ib Dybkjar
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Patent number: 6689294Abstract: Process for the preparation of a hydrogen and/or carbonmonoxide rich gas comprising the step of partial oxidation of a hydrocarbon feedstock with an oxygen containing reactant stream in presence of steam, wherein the steam is present in the hydrocarbon feedstock in an amount higher than in the oxygen containing reactant stream.Type: GrantFiled: March 12, 2001Date of Patent: February 10, 2004Assignee: Haldor Topsøe A/SInventors: Peter Seier Christensen, Thomas Sandahl Christensen, Ivar Ivarsen Primdahl, Jens-Henrik Bak Hansen
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Patent number: 6375916Abstract: Process for preparation of a hydrogen and/or carbon monoxide rich gas by catalytic autothermal reforming of a hydrocarbon feedstock containing higher hydrocarbons in an autothermal reformer comprising the further steps of (a) passing the hydrocarbon feedstock through a reactor containing steam reforming catalyst to remove or reduce the contents of higher hydrocarbons in the hydrocarbon feedstock; (b) passing the effluent from the first reactor to an autothermal reformer; and (c) withdrawing from the autothermal reformer a product gas rich in hydrogen and carbon monoxide.Type: GrantFiled: September 24, 1999Date of Patent: April 23, 2002Assignee: Haldor Topsoe A/SInventors: Thomas Sandahl Christensen, Jens-Henrik Bak Hansen, Peter Seier Christensen, Ivar Ivarsen Primdahl
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Patent number: 6335474Abstract: Process for the catalytic steam reforming of a hydrocarbon feed stock with a content of higher hydrocarbons and oxygen comprising the steps of catalytic pre-reforming the feed stock and steam reforming the pre-reformed feed stock, the pre-reforming step is carried out in presence of a fixed bed catalyst comprising at least a portion of a noble metal catalyst being active in oxidation of hydrocarbons to carbon oxides and conversion of higher hydrocarbons to methane, wherein the noble metal catalyst is supported on a carrier of MgO and/or MgAl2O4 spinel.Type: GrantFiled: August 16, 2000Date of Patent: January 1, 2002Assignee: Haldor Topsoe A/SInventors: Martin Østberg, Jens-Henrik Bak Hansen, Poul Crik Iløjlund Nielsen, Kim Aasberg-Petersen
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Publication number: 20010008621Abstract: Process for preparation of a hydrogen and/or carbon monoxide rich gas by catalytic autothermal reforming of a hydrocarbon feedstock containing higher hydrocarbons in an autothermal reformer comprising the further steps ofType: ApplicationFiled: September 24, 1999Publication date: July 19, 2001Inventors: THOMAS SANDAHL CHRISTENSEN, JENS-HENRIK BAK HANSEN, PETER SEIER CHRISTENSEN, IVAR IVARSEN PRIMDAHL