Abstract: A Process for preparing ketene in the presence of a fluidized bed material with a surface area of up to about 600 m2/g. The process is further defined as a process for preparing ketene from a sugar or glycolaldehyde feedstock.
Type:
Grant
Filed:
February 25, 2014
Date of Patent:
May 3, 2016
Assignee:
Haldor Topsoe A/S
Inventors:
Esben Taarning, Martin Spangsberg Holm, Christian Mårup Osmundsen
Abstract: In a process for the preparation of methanolin parallel reactors, comprising the steps of (a) reacting carbon oxides and hydrogen in the presence of a methanol catalyst in a first methanol reactor to obtain a first methanol-containing effluent, (b) introducing and reacting unconverted synthesis gas in a second methanol reactor in the presence of a methanol catalyst to obtain a second methanol-containing effluent, the first methanol reactor and the second methanol reactor being connected in parallel, (c) combining the first and second effluent, and (d) cooling and separating the combined and cooled effluent into a methanol-containing liquid phase and unconverted synthesis gas, the methanol catalyst in the first methanol reactor is indirectly cooled by boiling water and the methanol catalyst in the second methanol reactor is either directly or indirectly cooled by the unconverted synthesis gas prior to conversion into the second effluent.
Abstract: A process for co-production of ammonia, urea and methanol from natural gas, comprising the steps of (a) producing a synthesis gas by simultaneous feeding natural gas to an autothermal reformer (ATR) and to a steam methane reformer (SMR), the two reformers running in parallel, (b) feeding air to an air separation unit (ASU), where the air is split into oxygen, which is fed to the ATR, and nitrogen, (c) subjecting the synthesis gas from the SMR to a water gas shift, (d) removing the carbon dioxide from the synthesis gas from step (c) and leading it to urea synthesis in a urea synthesis unit, (e) combining the hydrogen-rich gas from step (d) with the nitrogen from step (b), removing catalyst poisons from the gases and leading the gas mixture to ammonia synthesis in an ammonia synthesis unit, (f) optionally removing part of the carbon dioxide from the syngas from the ATR in step (a) and leading it to urea synthesis in a urea synthesis unit and (g) leading the syngas from step (f) to the methanol synthesis unit, w
Abstract: A device and a process for producing high purity CO by electrolysis of CO2 in a Solid Oxide Electrolysis Cell stack and a gas separation unit, also the gas separation unit may be a Solid Oxide Electrolysis Cell stack.
Type:
Grant
Filed:
February 26, 2013
Date of Patent:
March 15, 2016
Assignee:
Haldor Topsoe A/S
Inventors:
Friis Claus Pedersen, Bøgild John Hansen, Thomas Rostrup-Nielsen, Jens Ulrik Nielsen, Henrik Olsson, Kim Hedegaard Andersen
Abstract: A burner with a plurality of oxidant gas pipes distributed throughout the cross section of the burner and process gas in plug flow provides even mixing of the oxidant and the process gas.
Abstract: Process for the production of a chemical compound from a carbon dioxide starting material, comprising the steps of a) providing a feed stream consisting mainly of carbon dioxide; b) electrolyzing in an electrolysis stage the carbon dioxide in the feed stream to a first gas stream containing carbon monoxide and a second gas stream containing oxygen, wherein the molar ratio between carbon monoxide and oxygen is about 1:0.5 in an electrolysis stage; c) adjusting the composition of the first gas stream or the second gas stream or both gas streams to include carbon dioxide, either by operating at less than full conversion of CO2 or by sweeping one or both gas streams with a gas containing CO2 or by at some stage between the electrolysis cell and the oxidative carbonylation reactor diluting one or both gas streams with a gas containing CO2; all while maintaining an overall molar ratio of carbon monoxide to oxygen of about 1:0.
Type:
Grant
Filed:
April 11, 2013
Date of Patent:
March 1, 2016
Assignee:
Haldor Topsoe A/S
Inventors:
Niels Christian Schjødt, John Bøgild Hansen, Claus Friis Pedersen
Abstract: Method and system for removal of soot, ash and heavy metals, and optionally additionally NOx and SOx, being present in exhaust gas from an engine operated on heavy fuel oil with sulphur content 0.1%-4.
Abstract: A method for producing and reactivating a solid oxide cell stack structure by providing a catalyst precursor in at least one of the electrode layers by impregnation and subsequent drying after the stack has been assembled and initiated. The method includes impregnating a catalyst precursor into a cathode of a solid oxide cell stack which already contains an active material (an anode reduction) for example, in the form of Ni/YSZ anodes. Due to a significantly improved performance and an unexpected voltage improvement this solid oxide cell stack structure is particularly suitable for use in solid oxide fuel cell (SOFC) and solid oxide electrolysing cell (SOEC) applications.
Type:
Grant
Filed:
November 11, 2010
Date of Patent:
February 23, 2016
Assignees:
Technical University of Denmark, Haldor Topsoe A/S
Inventors:
Peter Vang Hendriksen, Lars Mikkelsen, Martin Søgaard, Jens Valdemar Thorvald Høgh, Wolff-Ragnar Kiebach, Kresten J. N. L. Jensen
Abstract: 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:
Grant
Filed:
November 20, 2007
Date of Patent:
February 9, 2016
Assignee:
Haldor Topsoe A/S
Inventors:
Finn Joensen, Poul Erik Højlund Nielsen, Niels Christian Schiødt, Ton V. W. Janssens, Bodil Voss
Abstract: The invention relates to a method and a system for recovery of oil from a crude hydrocarbon reservoir. A synthesis gas from natural gas, and then liquid hydrocarbon or liquid oxygenate is produced from said synthesis gas. The liquid hydrocarbon or liquid oxygenate is then passed into said crude hydrocarbon reservoir to provide a crude hydrocarbon mixture, and the crude hydrocarbon mixture is withdrawn from said reservoir.
Abstract: A process for reducing the percentage by weight of formaldehyde present in a composition comprising glycolaldehyde, wherein formaldehyde is transformed into one or more formaldehyde acetal(s) and removed from the reactive distillation reaction solution by reactive distillation in the presence of at least one alcohol and a catalyst.
Abstract: An integrated heater for a Solid Oxide Fuel System is integrated directly in the SOFC stack, and can operate and heat the stack independently of the process.
Abstract: The invention relates to a process and apparatus for the production of synthesis gas from a hydrocarbon feedstock in a heat exchanger reformer, wherein a cooling medium is added to the heat exchange reformer.
Type:
Grant
Filed:
January 18, 2011
Date of Patent:
January 5, 2016
Assignee:
Haldor Topsoe A/S
Inventors:
Pat A. Han, Niklas Bengt Jakobsson, Anders Helbo Hansen
Abstract: A method and a catalyst, where flue gas or exhaust gas containing harmful carbon monoxide, organic compounds (VOC) and NOx is contacted with a layered catalyst in which a first layer comprises an oxidation catalyst and in an underlying layer a NH3-SCR catalyst for the simultaneous removal of the carbon monoxide and NOx.
Type:
Application
Filed:
February 3, 2014
Publication date:
December 31, 2015
Applicant:
Haldor Topsoe A/S
Inventors:
Francesco Castellino, Viggo Lucassen Hansen
Abstract: A mixing device mounted between two catalyst beds in a multi-bed catalytic reactor with a cylindrical shape. The mixing device has a circular outer rim which corresponds to the inner wall of the reactor, and includes a collecting section for collecting fluid from an up-stream catalytic bed, a mixing section for mixing the collected fluid, and a discharging section for discharging the mixed fluid to a down-stream catalytic bed. The collecting section, the mixing section and the discharging section are disposed outside the center of the circular cross-section of the reactor.
Type:
Application
Filed:
July 29, 2015
Publication date:
November 19, 2015
Applicant:
Haldor Topsøe A/S
Inventors:
Emir Zahirovic, Klaus Risbjerg Jarlkov, Louise Jivan Shah, Jacob Brix, Michael Boe, Olav Holm-Christensen
Abstract: Process for the preparation of dimethyl ether comprising the steps of: a) providing a methanol containing feed stock; b) introducing the feed stock into a reaction zone within a gas cooled dimethyl ether reactor and passing the feed stock through the reaction zone; c) introducing a cooling gas stream into a cooling space within the gas cooled dimethyl ether reactor; d) reacting the feed stock in the reaction zone in presence of a catalyst being active in the dehydration of methanol to dimethyl ether to obtain a reactor effluent comprising dimethyl ether.
Abstract: Process for the catalytic production of alcohol products, wherein by-products comprising ketone, aldehyde and ester compounds contained in the alcohol product are subjected to hydrogenation with a hydrogen-containing purge gas.
Abstract: In a process for the production of higher alcohols, i.e. C4+ alcohols, from syngas, the syngas is first reacted in a heterogeneous alcohol pre-converter (A) using an alcohol synthesis catalyst, whereby methanol as the main product in a concentration corresponding to or close to the equilibrium A concentration is produced. Then the effluent from the pre-converter is mixed with unconverted wet recycle gas and reacted in a heterogeneous reactor for higher alcohols synthesis (B) containing a higher alcohols synthesis catalyst, and finally the effluent from the reactor for higher alcohols synthesis is separated into (i) unconverted syngas, which is recycled to the higher alcohols synthesis reactor, (ii) methanol and light alcohols, which are recycled to the higher alcohols synthesis reactor, and (iii) the final product consisting of higher alcohols.
Abstract: Catalyst composition for selective reduction of nitrogen oxides and soot oxidation comprising a physical mixture of one or more acidic zeolite or zeotype components with one ore more redox active metal compounds and a method for selective reduction of nitrogen oxides and soot oxidation by use of the catalyst composition.
Type:
Grant
Filed:
May 2, 2012
Date of Patent:
October 27, 2015
Assignee:
Haldor Topsoe A/S
Inventors:
Alexandr Yu Stakheev, Marie Grill, Arkady Kustov