HALDOR TOPSOE A/S Patent applications |
Patent application number | Title | Published |
20150375207 | METHOD AND CATALYST FOR THE SIMULTANEOUS REMOVAL OF CARBON MONOXIDE AND NITROGEN OXIDES FROM FLUE OR EXHAUST GAS - A method and a catalyst, where flue gas or exhaust gas containing harmful carbon monoxide, organic compounds (VOC) and NO | 12-31-2015 |
20150232763 | METHOD FOR STARTING-UP A GAS TO LIQUID PROCESS - The invention relates to a process for starting up a gas-to-liquid process including the production of synthesis gas and a downstream GTL process. The synthesis gas is produced by the use of autothermal reforming (ATR) or catalytic partial oxidation (CPO) and during the starting period the effluent gas from the ATR or CPO is significantly changed to form an off-gas recycle which is fed to the ATR or CPO. When the downstream GTL process is running, the recycle to ATR or CPO is shifted to its off-gas. | 08-20-2015 |
20150232401 | PROCESS FOR THE PREPARATION OF DIMETHYL ETHER - Process for the preparation of dimethyl ether product by catalytic conversion of synthesis gas to dimethyl ether comprising the steps of contacting a stream of synthesis gas comprising carbon dioxide in a dimethyl ether synthesis step in one or more reactors and with one or more catalysts active in the formation of methanol and dehydration of methanol to dimethyl ether and forming a product mixture comprising dimethyl ether, carbon dioxide and unconverted synthesis gas; cooling and separating the product mixture into a first liquid phase comprising dimethyl ether and carbon dioxide being dissolved in the formed dimethyl ether, and into a first gaseous phase comprising unconverted synthesis gas containing carbon monoxide and carbon dioxide; passing the first liquid phase to a scrubbing zone and contacting the phase with a liquid sorbent being effective in absorption of carbon dioxide; and withdrawing a dimethyl ether product being depleted in carbon dioxide from the scrubbing zone. | 08-20-2015 |
20150231608 | STEAM REFORMING CATALYST AND METHOD OF MAKING THEREOF - The invention provides a method for the production of a supported nickel catalyst, in which an aqueous mixture comprising an alkali metal salt plus other metal salts is sintered to form a support material. A supported nickel catalyst comprising potassium β-alumina is also provided. | 08-20-2015 |
20150224477 | METHOD FOR THEPREPARATION OF A CATALYSED PARTICULATE FILTER AND CATALYSED PARTICULATE FILTER - A catalysed particulate filter coated with a wash coat on its dispersion side and its permeate side and within partition walls of the filter. The wash coat contains a first catalyst active in burning off soot, together with a second catalyst active in a selective catalytic reduction of nitrogen oxides. | 08-13-2015 |
20150209727 | METHOD FOR THE SELECTIVE OXIDATION OF CARBON MONOXIDE AND VOLATILE ORGANIC COMPONDS IN OFF-GAS FURTHER COMPRISING SULPHUR DIOXIDE - A method for cleaning a sulphur dioxide containing off-gas by selective oxidation of carbon monoxide and volatile organic compounds in the off-gas with reduced formation of sulphur trioxide comprising the step of contacting the off-gas with an oxidation catalyst consisting of palladium and vanadium oxide supported on a carrier. | 07-30-2015 |
20150010871 | MIXING OF RECYCLE GAS WITH FUEL GAS TO A BURNER - A burner with a central oxidizer supply tube and an outer concentric fuel supply tube has a recycle gas duct arranged between the central oxidizer supply tube and the outer concentric fuel supply tube. | 01-08-2015 |
20140271435 | CATALYSED FILTER BASED ON BIOSOLUBLE FIBERS - Catalysed filter consisting of a filter body of bio-soluble fibres catalysed with a catalyst comprising oxides of vanadium and titanium, wherein the total concentration of alkali metals in the filter body is less than 3000 ppm by weight and/or the total concentration of earth alkali metals in the filter body is less than 20% by weight. | 09-18-2014 |
20140124705 | OXY-FUEL COMBUSTION - A process for the production of synthesis gas with reduced carbon dioxide foot-print via recycling of carbon dioxide produced in the process to the burners of the steam reformer. | 05-08-2014 |
20140000240 | PROCESS FOR THE REDUCTION OF NITROGEN OXIDES AND SULPHUR OXIDES IN THE EXHAUST GAS FROM INTERNAL COMBUSTION ENGINE | 01-02-2014 |
20130343147 | MIXING DEVICE - The present invention relates to a mixing device for mixing a first gas with a second gas by means of a plurality of sets of injection and mixing ducts, wherein at least one of the gases is corrosive to the mixing device and the mixing device is thus constructed in corrosion resistant ceramic material. | 12-26-2013 |
20130239481 | PROCESS FOR THE PREPARATION OF GASEOUS SYNFUEL - A process is provided for the preparation of a gaseous syn-fuel having a heating value in the same range as natural gas. | 09-19-2013 |
20130220885 | PROCESS FOR HYDROCRACKING A HYDROCARBON FEEDSTOCK - A hydrocracking process comprising the steps of: (a) combining a hydrocarbonaceous feedstock and a heavy bottom fraction recycle stream with a hydrogen-rich gas to obtain a mixture comprising hydrocarbonaceous feedstock and hydrogen; (b) catalytically hydrocracking the mixture comprising hydrocarbonaceous feedstock and hydrogen in a hydrocracking zone to obtain a hydrocracked effluent; (c) separating the hydrocracked effluent into a first vapour portion and a first liquid portion in a separation zone; (d) heating the first liquid portion to form a vapourised first liquid portion; (e) feeding the vapourised first liquid portion to a fractionation section producing individual product fractions including a heavy bottom fraction comprising unconverted oil at the bottom zone of the fractionation section; (f) withdrawing from the fractionation section the heavy bottom fraction; (g) splitting the heavy bottom fraction in a stream for stripping and a heavy bottom fraction recycle stream; (h) stripping the stream for stripping, with a stripping medium, in a counter current stripping column to form an overhead vapour and a stripped liquid; (i) feeding the overhead vapour to the fractionation section, to a recycle stream or to a position upstream the fractionation section; and (j) removing at least a part of the stripped liquid from the counter current stripping column as a net purge of unconverted oil. | 08-29-2013 |
20130216441 | METHOD FOR THE PREPARATION OF A CATALYSED PARTICULATE FILTER AND CATALYSED PARTICULATE FILTER - The invention pertains to a catalysed particulate filter provided in its entire dispersion side and within its partition walls with a first catalyst being active in selective catalytic reduction of nitrogen oxides, and in its entire permeate side with a second catalyst combination with a catalyst being active in oxidation of ammonia mixed with a catalyst being active in oxidation of carbon monoxide and hydrocarbons and a method for its preparation. The mean particle size of the first catalyst is smaller than the mean pore diameter of the longitudinal porous walls, and the mean particle size of the second catalyst combination is larger than the mean pore diameter of the longitudinal walls. In the example, the first catalyst is a silica aluminium phosphate SAPO-34 promoted with 2% copper and the second catalyst is a mixture of platinum and palladium (molar ratio 3:1) supported on alumina particles and beta zeolite powder with 1.0% copper. | 08-22-2013 |
20130210609 | METHOD FOR THE PREPARATION OF A CATALYSED PARTICULATE FILTER AND CATALYSED PARTICULATE FILTER - Method for the preparation of a catalysed particulate filter and a particulate filter. The method comprises the steps of a) providing a catalyst wash coat with a first catalyst active in burning off of soot and a second catalyst active in selective catalytic reduction of nitrogen oxides; b) coating a particulate filter body with the catalyst wash coat on the dispersion side and the permeate side of the filter body and within partition walls of the filter body; and c) drying and heat treating the coated filter body to obtain the catalysed particulate filter. | 08-15-2013 |
20130123377 | PROCESS FOR THE PREPARATION OF ETHANOL AND HIGHER ALCOHOLS - Process for the preparation of ethanol and/or higher alcohols comprising the steps of: (a) providing an alcohol synthesis gas comprising carbon monoxide and hydrogen in a molar ratio of higher than 0.5; (c) adding an amount of methanol and/or higher alcohols to the synthesis gas to obtain a synthesis gas mixture. (d) converting the synthesis gas mixture from step (c) in presence of one or more catalysts catalysing the conversion of the synthesis gas mixture into a ethanol and/or higher alcohols containing product; and (e) withdrawing the product from step (d), wherein the synthesis gas is purified by removing iron and nickel carbonyl compounds prior or after the addition methanol and/or higher alcohols to the synthesis gas and optionally (I) cooling the withdrawn product in step (e); and (g) contacting the cooled product with a hydrogenation catalyst. | 05-16-2013 |
20130109767 | PROCESS FOR CONVERTING BIOGAS TO A GAS RICH IN METHANE | 05-02-2013 |
20130098243 | METHOD OF REMOVING METAL CARBONYLS FROM GASEOUS STREAMS AND METAL CARBONYL SORBENT - Method of removing metal carbonyls from a gaseous stream comprising contacting the metal carbonyl containing gaseous stream at elevated temperature with a particulate sorbent comprising modified copper aluminum spinel, wherein the copper aluminium spinel has been modified by a thermal treatment in a reducing atmosphere and a particulate sorbent for use in a method comprising a copper aluminium spinel being modified by thermal treatment in a reducing atmosphere at a temperature of between 250 and 500° C. | 04-25-2013 |
20130095029 | CO-PRODUCTION OF METHANOL AND AMMONIA - Process for the co-production of methanol and ammonia from a hydrocarbon feed without venting to the atmosphere carbon dioxide captured from the methanol or ammonia synthesis gas and without using expensive air separation units, water gas shift and acid gas wash for removal of carbon. | 04-18-2013 |
20130082211 | PROCESS FOR THE PREPARATION OF SYNTHESIS GAS - Process for the preparation of synthesis gas from an essentially dry hydrocarbon feedstock (1) comprising olefins, hydrogen and carbon monoxide, the process comprising the steps: (a) selectively hydrogenating the olefins in the hydrocarbon feedstock at a temperature between 60 to 190° C. (2) to obtain a hydrogenated hydrocarbon feedstock comprising hydrogen, carbon monoxide and saturated hydrocarbons (3; (b) adding steam (4) to the hydrogenated hydrocarbon feedstock; (c) performing a water gas shift reaction in the presence of steam on the hydrogenated hydrocarbon feedstock (6) to obtain a shifted, hydrogenated hydrocarbon mixture; (d) converting the shifted, hydrogenated hydrocarbon mixture (8) to obtain a synthesis gas. | 04-04-2013 |
20130068186 | METHOD AND SYSTEM FOR OPERATING A PRESSURE IGNITION ENGINE - Method and system for operating a compression engine on ether containing fuel obtained by conversion of a primary fuel based on alcohol comprising the steps and means for: (a) continuously withdrawing the primary fuel based on alcohol from a fuel tank and pressurising the primary fuel based on alcohol in its liquid form to a final engine injection pressure; (b) continuously introducing the pressurized primary fuel based on alcohol into a fuel accumulation chamber; (c) continuously distributing the pressurized primary fuel based on alcohol into pipes connecting the accumulation chamber with fuel injectors of the engine; (d) prior to the fuel injectors continuously converting the pressurised primary fuel based on alcohol to an ether containing fuel by contact with an alcohol dehydration catalyst being arranged in each of the pipes upstream the fuel injectors; (e) continuously injecting the ether containing fuel at injection pressure into the engine; and (f) continuously withdrawing a part of the introduced primary fuel based on alcohol from the accumulation chamber; and (g) depressurising and recycling the withdrawn primary fuel based on alcohol to the fuel tank. | 03-21-2013 |
20130066119 | METHOD AND APPARATUS FOR THE SEPARATION OF A LIQUID FROM A GAS FEED STREAM IN A CATALYTIC REACTOR - Method and apparatus for separating a liquid reaction product from a gaseous stream in a catalytic reactor by means of a metallic sheet being indirectly cooled by a cooling surface and having a plurality of percolations in form of geometric-shaped protrusions on both sides of the sheet each with an open base, the open base is on the side of the sheet facing a catalyst bed are arranged upwards and on the side facing the cooling surface the open base faces downwards. | 03-14-2013 |
20130058854 | PROCESS AND APPARATUS FOR SULPHURIC ACID PRODUCTION - A process for the conversion of sulphur dioxide contained in a feed gas to sulphur trioxide, comprising the steps of a) alternatingly providing a first feed gas containing a high concentration of sulphur dioxide and a second feed gas containing a low concentration of sulphur dioxide as a process gas, b) preheating the process gas by heat exchange with a heat exchange medium, c) reacting the process gas in the presence of a catalytically active material in a catalytic reaction zone, d) converting at least in part the sulphur dioxide of the process gas into sulphur trioxide contained in a product gas in the catalytic reaction zone, e) cooling the product gas by contact with a heat exchange medium, wherein a thermal buffer zone is provided in relation to one of said process steps, providing thermal energy produced during super-autothermal operation for heating the process gas during sub-autothermal operation. | 03-07-2013 |
20130032113 | METHOD AND SYSTEM FOR OPERATING A COMPRESSION IGNITION ENGINE ON ALCOHOL CONTAINING FUELS - Method of operating a compression ignition engine on ether containing fuel obtained by on board conversion of an alcohol containing primary fuel and a system for use in the method. | 02-07-2013 |
20130014711 | METHOD AND SYSTEM FOR OPERATING A COMPRESSION IGNITION ENGINEAANM Janssens; Ton V.W.AACI BagsvaerdAACO DKAAGP Janssens; Ton V.W. Bagsvaerd DKAANM Mikkelsen; Svend-ErikAACI VaerloseAACO DKAAGP Mikkelsen; Svend-Erik Vaerlose DKAANM Gabrielsson; Par L.T.AACI HelsingborgAACO SEAAGP Gabrielsson; Par L.T. Helsingborg SE - A method of operating a compression ignition engine on diethyl ether containing fuel obtained by conversion of a primary ethanol containing fuel, wherein the primary fuel is catalytically converted to a diethyl ether containing fuel at a constant minimum and maximum flow rate through a catalytic reactor. The thus prepared ether containing fuel is passed to a buffer tank and a system for use in anyone of the preceding claims comprising a first fuel tank for holding a primary ethanol containing fuel; an ethanol dehydration reactor connected to the first fuel tank at inlet of the reactor and to a second buffer tank connected at outlet of the reactor; the second buffer tank holding a diethyl ether containing fuel being formed in the dehydration reactor is further connected to a compression ignition engine; the second buffer tank is provided with at least a sensor for detecting an upper fuel level and at least a second sensor for detecting a lower fuel level in the buffer tank. | 01-17-2013 |
20130014432 | METHOD FOR THE PREPARATION OF A COMPRESSION IGNITION ENGINE FUELAANM Duwig; ChristopheAACI MalmoAACO SEAAGP Duwig; Christophe Malmo SEAANM Janssens; Ton V.W.AACI BagsvaerdAACO DKAAGP Janssens; Ton V.W. Bagsvaerd DKAANM Gabrielsson; Par L.AACI HelsingborgAACO SEAAGP Gabrielsson; Par L. Helsingborg SE - Method for the preparation of a compression ignition engine fuel, comprising the steps of providing a mixture of a primary hydrocarbon fuel comprising one or more alcohols; and dehydrating in the mixture the one or more alcohol to its or their corresponding ether and water, to obtain the compression ignition fuel. | 01-17-2013 |
20130000571 | METHOD AND SYSTEM FOR OPERATING A COMPRESSION IGNITION ENGINE ON ALCOHOL CONTAINING PRIMARY FUELS - Method of operating a compression ignition engine on ether containing fuel obtained by on board conversion of an alcohol containing primary fuel and a system for use in the method. | 01-03-2013 |
20130000181 | DIESEL FUEL COMPOSITION BASED ON DIETHYL ETHER - A compression ignition fuel composition comprising diethyl ether (DEE) and water, in amounts that correspond to the reaction product of dehydration of anhydrous or hydrous ethanol (EtOH) with water content between 0 and 30 wt %, and further characterized by: a) a diethyl ether content in wt % that is larger than or equal to 50, and a water content in wt % that is lower than or equal to 50 minus concentration of ethanol in wt % for mixtures containing 0 to 20 wt % ethanol; or b) a diethyl ether content in wt % that is larger than or equal to 54 minus 0.2 times the ethanol concentration in wt %, and a water content in wt % that is lower than or equal to 46 minus the 0.8 times concentration of ethanol in wt % for mixtures containing 20 to 30 wt % ethanol; or c) a diethyl ether content in wt % that is larger than or equal to 61.5 minus 0.45 times the ethanol concentration in wt %, and a water content in wt % that is lower than or equal to 38.5 minus the 0.55 times concentration of ethanol in wt % for mixtures containing 30 to 70 wt % ethanol. | 01-03-2013 |
20120329645 | REFORMING CATALYST - 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. | 12-27-2012 |
20080230441 | Hydrotreating And Hydrocracking Process And Apparatus - Partial conversion hydrocracking process comprising the steps of (a) hydrotreating a hydrocarbon feedstock with a hydrogenrich gas to produce a hydrotreated effluent stream comprising a liquid/vapour mixture and separating the liquid/vapour mixture into a liquid phase and a vapour phase, and (b) separating the liquid phase into a controlled liquid portion and an excess liquid portion, and (c) combining the vapour phase with the excess liquid portion to form a vapour plus liquid portion, and (d) separating an FCC feed-containing fraction from the controlled liquid portion and simultaneously hydrocracking the vapour plus liquid portion to produce a dieselcontaining fraction, or hydrocracking the controlled liquid portion to produce a diesel-containing fraction and simultaneously separating a FCC feed-containing fraction from the vapour plus liquid portion. The invention also includes an apparatus for carrying out the partial conversion hydrocracking process. | 09-25-2008 |