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| Number | Title | Issue Date |
| 7393877 | Process for the conversion of a synthesis gas to hydrocarbons in the presence of beta-SiC and effluent from this process In a process for the conversion of carbon monoxide to C2+ hydrocarbons in the presence of hydrogen and of a catalyst comprising a metal and a support comprising silicon carbide, the support comprises more than 50% by weight of silicon carbide i... | 07/01/2008 |
| 7393876 | Fischer-tropsch catalysts Catalyst compositions and methods for F-T synthesis which exhibit high CO conversion with minor levels (preferably less than 35% and more preferably less than 5%) or no measurable carbon dioxide generation. F-T active catalysts are prepared by reduction of certain o... | 07/01/2008 |
| 7259286 | Attrition resistant bulk iron catalysts and processes for preparing and using same An attrition resistant precipitated bulk iron catalyst is prepared from iron oxide precursor and a binder by spray drying. The catalysts are preferably used in carbon monoxide hydrogenation processes such as Fischer-Tropsch synthesis. These catalysts are suitable fo... | 08/21/2007 |
| 7235173 | Hydrotreating catalyst that contains a nitrogen-containing organic compound and its use A hydrotreating catalyst that contains at least one element of group VIB and/or group VIII of the periodic table and optionally phosphorus and/or silicon, with an organic compound as an additive that contains at least one nitrogen atom, is used for the transformatio... | 06/26/2007 |
| 7166643 | Hydrogen recovery from hydrocarbon synthesis processes The invention relates to a process for producing a hydrogen-rich stream from a hydrogen-depleted stream. More particularly, the invention relates to a hydrocarbon synthesis process, by way of example, a Fischer Tropsch process, from which both hydrocarbons and high ... | 01/23/2007 |
| 7115668 | Process for the production in continuous of hydrocarbons from synthesis gas Hydrocarbons are prepared, which are liquid at the reaction temperature, by feeding synthesis gas into three-phase turbulent reactors in which the solid phase, consisting of the catalyst in the form of particles, is kept in suspension in the liquid phase by the risi... | 10/03/2006 |
| 7067562 | Iron-based Fischer-Tropsch catalysts and methods of making and using The present invention presents an iron-based Fischer-Tropsch catalyst having a low water-gas shift activity and high selectivity and productivity toward a hydrocarbon wax wherein said catalyst comprises iron; silver; sodium, lithium, potassium, rubidium and/or cesiu... | 06/27/2006 |
| 7056955 | Attrition resistant bulk metal catalysts and methods of making and using same According to a preferred embodiment, the present invention features a bulk catalyst that includes precipitated cobalt metal. The precipitated cobalt catalyst further includes a textural promoter, a binder and optionally a Group I metal. The method of making the cata... | 06/06/2006 |
| 7012104 | Fischer-Tropsch processes and catalysts made from a material comprising boehmite A hydrothermally-stable catalyst, method for making the same, and process for producing hydrocarbon, wherein the catalyst is used in synthesis gas conversion to hydrocarbons. In one embodiment, the method comprises depositing a compound of a catalytic metal selected... | 03/14/2006 |
| 6977273 | Process for synthesising hydrocarbons in the presence of a catalyst comprising a group VIII metal supported on silica-alumina A process is described for synthesizing hydrocarbons from a mixture comprising carbon monoxide and hydrogen in the presence of a catalyst comprising at least one group VIII metal supported on a silica-alumina prepared by co-precipitating and calcining at a temperatu... | 12/20/2005 |
| 6962947 | Pressure swing catalyst regeneration procedure for Fischer-Tropsh catalyst A process is disclosed for regenerating a catalyst used in a process for synthesizing hydrocarbons. The synthesis process involves contacting a feed stream comprising hydrogen and carbon monoxide with a catalyst in a reaction zone maintained at conversion-promoting ... | 11/08/2005 |
| 6900151 | In situ catalyst regeneration/activation process An in situ process for conducting regeneration of spent hydrocarbon synthesis catalyst. Regenerated, but not yet re-activated, catalyst (15) may be introduced into an operating HCS reactor (1) that has catalyst rejuvenation means (14). Any combi... | 05/31/2005 |
| 6869978 | Pressure swing catalyst regeneration procedure for Fischer-Tropsch catalyst A process is disclosed for regenerating a catalyst used in a process for synthesizing hydrocarbons. The synthesis process involves contacting a feed stream comprising hydrogen and carbon monoxide with a catalyst in a reaction zone maintained at conversion-promoting ... | 03/22/2005 |
| 6844370 | Hydrocarbon synthesis catalyst and process According to the present invention there is provided a hydrocarbon synthesis catalyst comprising a precipitated iron product and a catalyst promotor. The catalyst has a surface area of below 60 m2 per gram of catalyst in the reduced form or below 100 m | 01/18/2005 |
| 6809123 | Production of hydrogen and higher hydrocarbons A carbon-bearing feedstock is reacted with oxygen and water in a partial oxidation reactor to produce a mixture of hydrogen and carbon monoxide. The hydrogen is removed as a first product and the remaining carbon monoxide is reacted with steam over a bifunctional ca... | 10/26/2004 |
| 6787577 | Process for the production of highly branched Fischer-Tropsch products and potassium promoted iron catalyst Process for increasing the branching in products from a slurry-type Fischer-Tropsch unit by use of potassium promoted iron-based catalyst, an integrated process for increasing the yield of lubricating base oils, and an iron-based Fischer-Tropsch catalyst composition... | 09/07/2004 |
| 6777452 | Promoted skeletal iron catalysts for Fischer-Tropsch synthesis processes Promoted skeletal iron catalysts are provided which contain 70-90 wt % iron together with promoters 0-5.0 wt. % copper, 0.1-10.0 wt. % manganese, and 0.1-3.0 wt. % potassium, with the balance being aluminum. The catalysts are prepared by mixing the metal chips or po... | 08/17/2004 |
| 6774149 | How to convert carbon monoxide into synthetic petroleum by a process of catalytic hydrogenation called COpetrolisation The process called COpetrolisation uses two catalysts instead of one, converting CO into C7H16. Addition of a NaCl catalyst to a FeO catalyst improves the efficiency of Fischer's process because the salt catalyst retains humidity. Furthermore, chlorine opens chemica... | 08/10/2004 |
| 6765026 | Process for carbon monoxide hydrogenation A process for the preparation of a catalyst useful for conducting carbon monoxide hydrogenation reactions, particularly Fischer-Tropsch reactions; the catalyst compositions, use of the catalyst compositions for conducting such reactions, and the products of these re... | 07/20/2004 |
| 6759439 | Fischer-tropsch processes and catalysts with promoters A process is disclosed for producing hydrocarbons. The process involves contacting a feed stream comprising hydrogen and carbon monoxide with a catalyst in a reaction zone maintained at conversion-promoting conditions effective to produce an effluent stream comprisi... | 07/06/2004 |
| 6730708 | Fischer-Tropsch processes and catalysts using aluminum borate supports A process is disclosed for the hydrogenation of carbon monoxide. The process involves contacting a feed stream comprising hydrogen and carbon monoxide with a catalyst system in a reaction zone maintained at conversion-promoting conditions effective to produce an eff... | 05/04/2004 |
| 6727289 | Boron promoted catalysts and fischer-tropsch processes A process is disclosed for producing hydrocarbons. The process involves contacting a feed stream comprising hydrogen and carbon monoxide with a catalyst in a reaction zone maintained at conversion-promoting conditions effective to produce an effluent stream comprisi... | 04/27/2004 |
| 6689819 | Supported cobalt-based catalyst A supported cobalt-based catalyst, characterized in that the carrier has an average particle diameter, measured by Coulter LS230, ranging from 70 to 250 μm, a surface area higher than 175 m2 /g and a pore volume higher than 0.35 cm3... | 02/10/2004 |
| 6653357 | Method of modifying and controlling catalyst selectivity in a Fischer-Tropsch process The invention provides a method for controlling a selectivity profile of products of a Fischer-Tropsch synthesis process, wherein a catalyst promoter, either dissolved in solution or in a powdered form, is directly injected into the reactor medium, typica... | 11/25/2003 |
| 6632846 | Integrated urea manufacturing plants and processes A plant for manufacturing urea from carbonaceous materials, oxygen from an air separation unit and water, preferably steam, is made up of a syngas generator unit, an air separation unit, Fischer-Tropsch unit, a CO2 removal unit, a hydrogen remo... | 10/14/2003 |
| 6627666 | Fischer-Tropsch synthesis using industrial process off gas feedstreams A process is described in which the waste gas from the production of acetylene is employed in the Fischer-Tropsch synthesis of hydrocarbon liquids. The process consists of the steps of collecting the waste gas, compressing it to the proper pressure, passi... | 09/30/2003 |
| 6613808 | Fischer-Tropsch processes and catalysts using polyacrylate matrix structures A Fischer-Tropsch catalyst comprising a catalytically active first metal selected from the group consisting of at least one metal selected from the group consisting of iron, nickel, cobalt, chromium, and mixtures thereof, at least one second metal selecte... | 09/02/2003 |
| 6602922 | Process for producing C19 minus Fischer-Tropsch products having high olefinicity A process for increasing the yield of olefinic products from a Fischer-Tropsch unit and increasing the yield of products within the lube and diesel boiling range by use of a potassium promoted iron-based catalyst.... | 08/05/2003 |
| 6602921 | Process for the preparation of hydrocarbons A Fischer-Tropsch process for producing hydrocarbons, comprising contacting a feed stream comprising hydrogen and carbon monoxide with a catalyst in a reaction zone maintained at conversion-promoting conditions effective to produce an effluent stream comp... | 08/05/2003 |
| 6515035 | PROCESS FOR CONVERTING SYNTHESIS GAS IN THE PRESENCE OF A CATALYST COMPRISING A GROUP VIII ELEMENT DISPERSED ON A SUPPORT BASED ON ALUMINA MODIFIED BY AQUEOUS IMPREGNATION OF QUATERNARY AMMONIUM SILICATE A process is described for converting synthesis gas in the presence of a catalyst comprising at least one group VIII element dispersed on a support comprising alumina modified by aqueous impregnation of quaternary ammonium silicate and comprising in the r... | 02/04/2003 |
| 6489371 | Fischer-Tropsch processes and catalysts with promoters A process is disclosed for producing hydrocarbons. The process involves contacting a feed stream comprising hydrogen and carbon monoxide with a catalyst in a reaction zone maintained at conversion-promoting conditions effective to produce an effluent stre... | 12/03/2002 |
| 6486220 | Regeneration procedure for Fischer-Tropsch catalyst A process is disclosed for regenerating catalyst used in a process for synthesizing hydrocarbons. The synthesis process involves contacting a feed stream comprising hydrogen and carbon monoxide with a catalyst in a reaction zone maintained at conversion-p... | 11/26/2002 |
| 6465530 | Process for synthetizing hydrocarbons in the presence of a catalyst comprising a group VIII metal supported on silica-alumina A process is described for synthetizing hydrocarbons from a mixture comprising carbon monoxide and hydrogen in the presence of a catalyst comprising at least one group VIII metal supported on a silica-alumina prepared by co-precipitating and calcining at ... | 10/15/2002 |
| 6368997 | Fischer-Tropsch processes and catalysts using fluorided supports A process is disclosed for producing hydrocarbons. The process involves contacting a feed stream comprising hydrogen and carbon monoxide with a catalyst in a reaction zone maintained at conversion-promoting conditions effective to produce an effluent stre... | 04/09/2002 |
| 6353035 | Fischer-tropsch processes using xerogel and aerogel catalysts by destabilizing aqueous colloids A process is disclosed for producing hydrocarbons by contacting a feed stream comprising hydrogen and carbon monoxide with a catalyst in a reaction zone maintained at conversion-promoting conditions effective to produce an effluent stream comprising hydro... | 03/05/2002 |
| 6313062 | Process for the preparation of high activity carbon monoxide hydrogenation catalysts; the catalyst composition, use of the catalysts for conducting such reactions, and the products of such reactions A process for the preparation of a catalyst useful for conducting carbon monoxide hydrogenation reactions, particularly Fischer-Tropsch reactions; the catalyst compositions, use of the catalyst compositions for conducting such reactions, and the products ... | 11/06/2001 |
| 6306917 | Processes for the production of hydrocarbons, power and carbon dioxide from carbon-containing materials Apparatus and processes for producing power, liquid hydrocarbons and carbon dioxide from heavy feedstocks, using a partial oxidation reactor to produce a synthesis gas, a Fischer-Tropsch reactor to convert the synthesis gas to hydrocarbon products and tai... | 10/23/2001 |
| 5952540 | Process for preparing hydrocarbons This invention relates to a process for preparing hydrocarbons, in particular hydrogenation of carbon dioxide over Fe-K/Al2 O3 catalyst, which is reduced in hydrogen and activated in the mixture of carbon dioxide and hydrogen.... | 09/14/1999 |
| 5763716 | Process for the production of hydrocarbons A process of converting a feed of hydrocarbon-containing gases into liquid hydrocarbon products including a first reaction of converting the feed into one to 2.5 parts of hydrogen to one part carbon monoxide in the presence of carbon dioxide and then seco... | 06/09/1998 |
| 5504118 | Process for the production of hydrocarbons Several Fischer-Tropsch reaction schemes using a promoted iron catalyst in a slurry reactor produce oxygenated naphtha and diesel fractions on distillation that reduce particulate emissions in diesel engines. High carbon conversion efficiencies and optimu... | 04/02/1996 |
