Patents by Inventor Bodil Voss
Bodil Voss 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: 9255227Abstract: Process for the synthesis of hydrocarbon constituents of gasoline comprising catalytic conversion in a gasoline synthesis step of an oxygenate-containing feed comprising methanol and/or dimethyl ether and a mixture of at least on a total oxygenate basis 0.05 wt % C3+ higher alcohols and/or their oxygenate equivalents to hydrocarbon constituents of gasoline.Type: GrantFiled: November 20, 2007Date of Patent: February 9, 2016Assignee: Haldor Topsoe A/SInventors: Finn Joensen, Poul Erik Højlund Nielsen, Niels Christian Schiødt, Ton V. W. Janssens, Bodil Voss
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Patent number: 8677762Abstract: A process for the preparation of hydrocarbon products and for the generation of power that includes the steps of (a) providing a synthesis gas having a hydrogen to carbon monoxide ratio of between 0.1 and 1; (b) contacting the synthesis gas with one or more catalysts which together catalyse a reaction of hydrogen and carbon monoxide to oxygenates comprising methanol and dimethyl ether with a dimethyl ether to methanol ratio of higher than 2 and a carbon dioxide content of above 20 mole %; (c) contacting the carbon dioxide containing oxygenate mixture at an inlet temperature of between 240° and 4000° C. with a catalyst being active in the conversion of oxygenate to higher hydrocarbons and a tail gas being rich in carbon dioxide; (d) combusting the carbon dioxide rich tail gas in a gas turbine combustion chamber to flue gas; and (e) expanding the flue gas stream through a gas turbine for the generation of power.Type: GrantFiled: August 13, 2008Date of Patent: March 25, 2014Assignee: Haldor Topsoe A/SInventors: Poul Erik Højlund Nielsen, Thomas Rostrup-Nielsen, Bodil Voss, Finn Joensen
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Patent number: 8471060Abstract: A process and reactor for the production of acetic acid comprising the steps of: passing a feed stream containing ethanol and water together with a predetermined feed rate of an oxygen containing atmosphere in presence of one or more catalysts being active in simultaneous non-oxidative and oxidative conversion of ethanol to a product stream with acetic acid; recovering from the product stream a stream of acetic acid; optionally recovering reactive derivatives of acetic acid and recycling these to step (a).Type: GrantFiled: November 23, 2009Date of Patent: June 25, 2013Assignee: Haldor Topsoe A/SInventors: Claus Hviid Christensen, Niels Christian Schiødt, Bodil Voss
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Patent number: 8440855Abstract: An integrated process for the production of acetic acid, ethylene and vinyl acetate monomer comprising the steps of: (a) evaporating at least part of an ethanol feed stock (b) producing in a first reaction zone a first product stream comprising acetic acid by oxidative or partly oxidative dehydrogenation of ethanol feed stock; (c) producing in a second reaction zone a second product stream comprising ethylene from an ethanol feed stock; (d) reacting in a third reaction zone an acetic acid reaction stream containing at least a portion of the acetic acid from the first reaction zone with an ethylene reaction stream containing at least a portion of the ethylene product from the second reaction zone and with oxygen to a third product stream comprising vinyl acetate monomer; (e) passing at least a portion of the third product stream to a distillation section and isolating at least a portion of the vinyl acetate monomer; (f) supplying at least part of reaction heat from the third reaction zone to provide heat forType: GrantFiled: December 8, 2010Date of Patent: May 14, 2013Assignee: Haldor Topsoe A/SInventors: Bodil Voss, Rachid Mabrouk, Claus Hviid Christensen
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Patent number: 8202413Abstract: A process for the preparation of hydrocarbon products including the steps of (a) providing a stream containing oxygenates; (b) mixing the stream with a recycle stream to form a gasoline feed stream; (c) contacting the gasoline feed stream with one or more gasoline synthesis catalysts to obtain an effluent stream with higher hydrocarbons boiling in the gasoline range; (d) withdrawing from step (c) the effluent stream; and (e) splitting a part of the effluent stream to form the recycle stream which is optionally further reduced in content of water or enriched in hydrogen, then pressurized and recycled to step (b).Type: GrantFiled: September 12, 2008Date of Patent: June 19, 2012Assignee: Haldor Topsoe A/SInventors: Finn Joensen, Bodil Voss, Niels Christian Schiødt
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Publication number: 20110314834Abstract: A process for the preparation of hydrocarbon products and for the generation of power comprising the steps of (a) providing a synthesis gas having a hydrogen to carbon monoxide ratio of between 0.1 and 1; (b) contacting the synthesis gas with one or more catalysts which together catalyse a reaction of hydrogen and carbon monoxide to oxygenates comprising methanol and dimethyl ether with a dimethyl ether to methanol ratio of higher than 2 and a carbon dioxide content of above 20 mole %; (c) contacting the carbon dioxide containing oxygenate mixture at an inlet temperature of between 240 and 4000 C with a catalyst being active in the conversion of oxygenate to higher hydrocarbons and a tail gas being rich in carbon dioxide; (d) combusting the carbon dioxide rich tail gas, optionally admixed with fresh carbon monoxide rich synthesis gas in a gas turbine combustion chamber to flue gas; and (e) expanding the flue gas stream through a gas turbine for the generation of power.Type: ApplicationFiled: August 13, 2008Publication date: December 29, 2011Inventors: Poul Erik Højlund Nielsen, Thomas Rostrup-Nielsen, Bodil Voss, Finn Joensen
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Patent number: 8038906Abstract: A process for the adjustment of the composition of a synthesis gas produced in a high temperature black liquor gasifier.Type: GrantFiled: April 28, 2009Date of Patent: October 18, 2011Assignee: Haldor Topsøe A/SInventors: Poul Erik Højlund Nielsen, Bodil Voss
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Publication number: 20110137074Abstract: An integrated process for the production of acetic acid, ethylene and vinyl acetate monomer comprising the steps of: (a) evaporating at least part of an ethanol feed stock (b) producing in a first reaction zone a first product stream comprising acetic acid by oxidative or partly oxidative dehydrogenation of ethanol feed stock; (c) producing in a second reaction zone a second product stream comprising ethylene from an ethanol feed stock; (d) reacting in a third reaction zone an acetic acid reaction stream containing at least a portion of the acetic acid from the first reaction zone with an ethylene reaction stream containing at least a portion of the ethylene product from the second reaction zone and with oxygen to a third product stream comprising vinyl acetate monomer; (e) passing at least a portion of the third product stream to a distillation section and isolating at least a portion of the vinyl acetate monomer; (f) supplying at least part of reaction heat from the third reaction zone to provide heat forType: ApplicationFiled: December 8, 2010Publication date: June 9, 2011Inventors: Bodil Voss, Rachid Mabrouk, Claus Hviid Christensen
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Patent number: 7820867Abstract: Process for converting oxygenate compounds to hydrocarbons comprising the steps: (a) introducing a feed stream of synthesis gas to a synthesis section for the production of easily convertible oxygenates, (b) passing the effluent stream from said synthesis section containing easily convertible oxygenates to a gasoline synthesis section, (c) passing the effluent of said gasoline synthesis section to a separator and withdrawing from said separator hydrocarbons boiling in the gasoline boiling range, (d) admixing a recycle stream from the separator containing unconverted synthesis gas volatile hydrocarbons with the feed stream of synthesis gas of step (a), (e) introducing a feed containing difficulty convertible oxygenates to the synthesis section of step (a).Type: GrantFiled: August 16, 2006Date of Patent: October 26, 2010Assignee: Haldor Topsøe A/SInventors: Finn Joensen, Bodil Voss, Jesper Nerlov
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Publication number: 20100130775Abstract: Process for the preparation of acetic acid comprising the steps of: providing a feed stream of water and ethanol; adding the feed stream to a recycle stream comprising unconverted ethanol and water; heating the admixture to a predetermined reaction temperature and passing the thus heated admixture over a catalyst being active in non-oxidative conversion of ethanol to acetic acid to obtain an effluent being rich in acetic acid; optionally cooling the effluent; separating the effluent into a stream rich in acetic acid being essentially free of water, a hydrogen containing stream, and a stream with unconverted amounts of ethanol, water and reactive derivates of acetic acid and optionally ethyl acetate; recycling the stream with unconverted amounts of ethanol and water to step (a); determining the amount of water in the recycle stream and adjusting the composition of the ethanol and water feed stream in step (a) to a water/ethanol mole ratio of between 0.3/0.7 to 0.6/0.4.Type: ApplicationFiled: November 20, 2009Publication date: May 27, 2010Inventors: Bodil Voss, Niels Christian Schiødt
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Publication number: 20100130776Abstract: A process and reactor for the production of acetic acid comprising the steps of: passing a feed stream containing ethanol and water together with a predetermined feed rate of an oxygen containing atmosphere in presence of one or more catalysts being active in simultaneous non-oxidative and oxidative conversion of ethanol to a product stream with acetic acid; recovering from the product stream a stream of acetic acid; optionally recovering reactive derivatives of acetic acid and recycling these to step (a).Type: ApplicationFiled: November 23, 2009Publication date: May 27, 2010Inventors: Claus Hviid Christensen, Niels Christian Schiødt, Bodil Voss
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Publication number: 20100036186Abstract: Process for the synthesis of hydrocarbon constituents of gasoline comprising catalytic conversion in a gasoline synthesis step of an oxygenate-containing feed comprising methanol and/or dimethyl ether and a mixture of at least on a total oxygenate basis 0.05 wt % C3+ higher alcohols and/or their oxygenate equivalents to hydrocarbon constituents of gasoline.Type: ApplicationFiled: November 20, 2007Publication date: February 11, 2010Inventors: Finn Joensen, Poul Erik Hojlund Nielsen, Niels Christian Schiodt, Ton V.W. Janssens, Bodil Voss
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Publication number: 20090282739Abstract: A process for the adjustment of the composition of a synthesis gas produced in a high temperature black liquor gasifier.Type: ApplicationFiled: April 28, 2009Publication date: November 19, 2009Inventors: Poul Erik Hojlund Nielsen, Bodil Voss
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Publication number: 20090071871Abstract: A process for the preparation of hydrocarbon products, comprising the steps of (a) providing a stream containing oxygenates; (b) mixing the said stream with a recycle stream to form a gasoline feed stream; (c) contacting the gasoline feed stream with one or more gasoline synthesis catalysts to obtain an effluent stream comprising higher hydrocarbons boiling in the gasoline range; (d) withdrawing from step (c) the effluent stream; and (e) splitting a part of the effluent stream to form the recycle stream which is optionally further reduced in content of water or enriched in hydrogen, then pressurised and recycled to step (b).Type: ApplicationFiled: September 12, 2008Publication date: March 19, 2009Inventors: Finn Joensen, Bodil Voss, Niels Christian Schiodt
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Publication number: 20080228021Abstract: Process for converting oxygenate compounds to hydrocarbons comprising the steps: (a) introducing a feed stream of synthesis gas to a synthesis section for the production of easily convertible oxygenates, (b) passing the effluent stream from said synthesis section containing easily convertible oxygenates to a gasoline synthesis section, (c) passing the effluent of said gasoline synthesis section to a separator and withdrawing from said separator hydrocarbons boiling in the gasoline boiling range, (d) admixing a recycle stream from the separator containing unconverted synthesis gas volatile hydrocarbons with the feed stream of synthesis gas of step (a), (e) introducing a feed containing difficulty convertible oxygenates to the synthesis section of step (a).Type: ApplicationFiled: August 16, 2006Publication date: September 18, 2008Inventors: Finn Joensen, Bodil Voss, Jesper Nerlov
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Patent number: 6191175Abstract: An improved process for the production of a methanol and dimethyl ether mixture rich in DME from essentially stoichiometrically balanced synthesis gas by a novel combination of synthesis steps.Type: GrantFiled: January 25, 2000Date of Patent: February 20, 2001Assignee: Haldor Topsoe A/SInventors: Jesper Haugaard, Bodil Voss
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Patent number: 6175039Abstract: A process for the production and purification of acetic acid by carbonylation of methanol, DME or reactive derivatives thereof in a distillation column containing a homogenous catalyst system.Type: GrantFiled: August 2, 1999Date of Patent: January 16, 2001Assignee: Haldor Topsoe A/SInventor: Bodil Voss
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Patent number: 6059995Abstract: A process for the production of hydrogen rich gas from a feedstock containing dimethyl ether and/or methanol by steam reforming dimethyl ether in presence of a reforming catalyst to a product gas being rich in hydrogen, wherein necessary heat for the endothermic steam reforming reactions is supplied through oxidation of part of the hydrogen contained in the steam reformed feedstock process in heat conducting relationship with the steam reforming reactions.Type: GrantFiled: January 19, 1999Date of Patent: May 9, 2000Assignee: Haldor Topsoe A/SInventors: Haldor F. A. Topsoe, Ib Dybkj.ae butted.r, Poul Erik Nielsen, Bodil Voss
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Patent number: 5937631Abstract: A method for the combined production of synthesis gas and electrical power including at least a step for the production of synthesis gas by combusting a second fuel stream with combustion air to flue gas and passing the flue gas in heat conducting relationship with steam reforming reactions of a hydrocarbon feedstock in a heat exchange reactor, and a step for the production of electrical power by combusting a first fuel stream with combustion air in a gas turbine combustion chamber to a flue gas and expanding the flue gas in a gas turbine; wherein the flue gas from one of the steps is used as combustion air in the other step.Type: GrantFiled: June 19, 1997Date of Patent: August 17, 1999Assignee: Haldor Topsoe A/SInventors: Helge Holm-Larsen, Bodil Voss
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Patent number: 5908963Abstract: A process for the preparation of dimethyl ether. The process prepares fuel grade dimethyl ether from a hydrogen and carbon oxides synthesis gas.Type: GrantFiled: December 12, 1997Date of Patent: June 1, 1999Assignee: Holdor Topsoe A/SInventors: Bodil Voss, Finn Joensen, John Bogild Hansen