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| Number | Title | Issue Date |
| 7288689 | Methanol and fuel alcohol production for an oxygenate to olefin reaction system The present invention provides various processes for producing C1 to C4 alcohols, optionally in a mixed alcohol stream, and optionally converting the alcohols to light olefins. In one embodiment, the invention includes directing a first portion of a syngas stream to... | 10/30/2007 |
| 7247281 | Methanation assembly using multiple reactors A methanation assembly for use with a water supply and a gas supply containing gas to be methanated in which a reactor assembly has a plurality of methanation reactors each for methanating gas input to the assembly and a gas delivery and cooling assembly adapted to ... | 07/24/2007 |
| 7232848 | Gas agitated multiphase reactor with stationary catalyst solid phase An apparatus for converting a gaseous and/or liquid feed fluid to gaseous and/or liquid products using a solid catalyst comprises a reactor, a liquid phase disposed within the reactor volume, a fixed catalyst at least partially disposed in the liquid phase, a coolin... | 06/19/2007 |
| 7226954 | Integrated process and apparatus for producing liquid fuels The invention relates to an integrated process for producing liquid fuels, the process comprising the steps of: a) subjecting syngas with a hydrogen/carbon monoxide ratio between about 0.5 to 2.0 to Fischer-Tropsch reaction conditions in the presence of... | 06/05/2007 |
| 7214721 | Pre-converter for methanol synthesis A reactor system, plant and a process for the production of methanol from synthesis gas is described in which the reactor system comprises: (a) a first reactor adapted to be maintained under methanol synthesis conditions having inlet means for supply of... | 05/08/2007 |
| 7205258 | Catalysts for the production of methylchlorosilanes using zinc oxide promoters The present invention provides a catalyst that may be used to facilitate the formation of dimethylchlorosilanes. A catalyst in which copper oxide and zinc oxide are in intimate contact and form agglomerated particles allows for the increased selectively of the produ... | 04/17/2007 |
| 7199276 | Controlling the ratio of ethylene to propylene produced in an oxygenate to olefin conversion process The present invention provides various processes for producing methanol and ethanol, preferably in a mixed alcohol stream. In one embodiment, the invention includes directing syngas to a synthesis zone wherein the syngas contacts a methanol synthesis catalyst and an... | 04/03/2007 |
| 7196239 | Methanol and ethanol production for an oxygenate to olefin reaction system The present invention provides various processes for producing light olefins from methanol and ethanol, optionally in a mixed alcohol stream. In one embodiment, the invention includes directing a first syngas stream to a methanol synthesis zone to form methanol and ... | 03/27/2007 |
| 7138094 | Reactor for catalytic treatment of a particle-containing gas An up-flow reactor for the catalytic treatment of particle containing gas comprising at least one fixed catalytic bed; at least one drain pipe located upstream of the fixed catalytic bed, the drain pipe disposed within the reactor and a dust rectifier located downst... | 11/21/2006 |
| 7083329 | Method of measuring high temperatures and instrument therefore A method for measurement of high temperatures of a process stream by means of a thermocouple arranged in a thermowell. The thermowell is at least partly covered by a layer of a catalytic material which is active in at least one endothermic reaction. The thermowell i... | 08/01/2006 |
| 7011809 | Attrition resistant gamma-alumina catalyst support A γ-alumina catalyst support having improved attrition resistance produced by a method comprising the steps of treating a particulate γ-alumina material with an acidic aqueous solution comprising water and nitric acid and then, prior to adding any catalytic materi... | 03/14/2006 |
| 6992113 | Control of COemissions from a fischer-tropsch facility by use of dual functional syngas conversion CO2 emissions from syngas conversion processes are reduced by use of a multi-stage Fischer-Tropsch reaction system. A process for the conversion of syngas using a Fischer-Tropsch reactor comprises forming a first syngas and reacting at least a portion of ... | 01/31/2006 |
| 6903140 | Fischer-tropsch process Process for the conversion of synthesis gas to a product comprising liquid hydrocarbons and oxygenates. The process includes contacting synthesis gas at an elevated temperature and pressure with a mixed particulate catalyst comprising a mixture of a particulate Fisc... | 06/07/2005 |
| 6897246 | Recycling light olefins in multistage Fischer Tropsch processes A process for reducing C2-C9 olefin formation by recycling them to a Fischer-Tropsch hydrocarbon synthesis process and promoting recycled olefins chain growth comprises contacting a gas feed comprising a mixture of H2 and CO with a c... | 05/24/2005 |
| 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 |
| 6613949 | Oxygen enrichment process for air based gas phase oxidations which use metal oxide redox catalysts This invention is directed towards an improved process for the selective gas phase oxidation of a organic reactant using a metal oxide redox catalyst, wherein the organic reactant and air feeds are at a substantially continuous level, the improvement comp... | 09/02/2003 |
| 6608114 | Process to produce DME A process is set forth for producing DME by dehydrating the effluent stream from a methanol reactor where the methanol reactor is a slurry bubble column reactor (SBCR) containing a methanol synthesis catalyst that converts a synthesis gas stream comprisin... | 08/19/2003 |
| 6479557 | Process for the preparation of hydrocarbons from carbon monoxide and hydrogen A process for the preparation of at least two organic products from a synthesis gas by (i) converting a first synthesis gas feed to a first organic product and a first by-product; (ii) converting a second synthesis gas feed to a second organic product and ... | 11/12/2002 |
| 6299849 | Method for in-situ modernization of a heterogeneous exothermic synthesis reactor A Method for in-situ modernization of a heterogeneous exothermic synthesis reactor, comprising the steps of providing at least a first and at least a second catalytic bed (12, 13) in an upper (2a) respectively lower (2b) portion of the reactor, providing ... | 10/09/2001 |
| 6255357 | Production of methanol A process for the production of methanol comprises converting a hydrocarbon feedstock at a pressure above the desired synthesis pressure into a synthesis gas mixture containing hydrogen, carbon oxides and steam at an elevated temperature and pressure, coo... | 07/03/2001 |
| 6191175 | Process for the synthesis of a methanol/dimethyl ether mixture from synthesis gas 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.... | 02/20/2001 |
| 5827901 | Process of producing methanol Methanol is catalytically produced from a synthesis gas containing hydrogen and carbon oxides on copper-containing catalysts at pressures in the range from 20 to 120 bar and temperatures in the range from 130° to 350° C. The synthesis gas is first of al... | 10/27/1998 |
| 5770630 | Manufacture of organic liquids An improved process for the manufacture of organic liquids from gases containing hydrogen and carbon monoxide which avoids the build-up of nitrogen content through the use of a se ies of organic liquid reactors.... | 06/23/1998 |
| 5712313 | Process for carrying out chemical equilibrium reactions A process for carrying out a chemical equilibrium reaction is disclosed in which, in a first stage, one or more reactants are contacted with a fixed arrangement of a catalyst under conditions such that the reactants and the products of the reaction are ga... | 01/27/1998 |
| 5703133 | Isoalcohol synthesis The invention provides for a method of making isoalcohols using syngas-to-alcohol catalyst and method of making it. The catalyst is a highly dispersed, alkali promoted, La stabilized, microcrystalline Cu2 O having a particle size of ࣘ6 nm in ... | 12/30/1997 |
| 5498638 | Staged hydrocarbon synthesis process High conversion, substantially once-through hydrocarbon synthesis is achieved by reacting H2 and CO in a first stage(s) in the presence of a non-shifting catalysts, separating liquid products and reacting the remaining gas streams in the presen... | 03/12/1996 |
| 5455281 | Method of cooling a synthesis gas in a catalytic reactor Method of direct cooling synthesis gas in a catalytic reactor with one or more catalyst beds of a metal oxide catalyst being loaded on gas permeable partitions with distribution means, which method comprises admixing the synthesis gas during its passage t... | 10/03/1995 |
| 5424335 | Methanol Synthesis The purge gas from a methanol synthesis loop is subjected to a further step of methanol synthesis, preferably while in indirect heat exchange with the purge gas undergoing heating to the synthesis inlet temperature so that the reacted purge gas, containin... | 06/13/1995 |
| 5160456 | Catalyst/heat-transfer medium for syngas generation Synthesis gas, hydrogen and carbon monixide, as produced in a fluid-bed or spouted-bed process by reacting methane or a lower alkane with steam and oxygen in the presence of essentially non-catalytic, heat carrying solids with periodic addition of a steam... | 11/03/1992 |
| 5143647 | Synthesis gas generation startup process (C-2556) Start-up procedure for FBSG process involving starting up under oxidizing conditions with Al2 O3 (no Ni) particles in the bed and the switching to reducing conditions prior to adding Ni/Al2 O3 catalyst. This pro... | 09/01/1992 |
| 5028634 | Two stage process for hydrocarbon synthesis Hydrocarbon synthesis is carried out in a two stage process wherein the pressure in the first stage is relatively higher and the pressure in the second stage is relatively lower and the second stage catalyst comprises cobalt on alumina.... | 07/02/1991 |
| 4950821 | Process for the converson of natural gas into middle distillates An improved process is disclosed for the conversion of natural gas into middle distillates. In the process, natural gas is converted into synthesis gas or syngas consisting essentially of carbonmonoxide and hydrogen. The syngas is contacted with a series ... | 08/21/1990 |
| 4758600 | Process for the manufacture of ethanol Ethanol is prepared with high selectivity by the catalytic reaction of carbon monoxide and hydrogen. The catalyst composition comprises: (A) catalyst component consisting of (a) a rhodium component, (b) a lithium component, and (c) a component of at least one eleme... | 07/19/1988 |
| 4751248 | Preparation of alcohols from synthesis gas A process for converting synthesis gas (CO+H2) to aliphatic alcohols containing at least 2 carbon atoms comprises the steps of passing the synthesis gas first through a catalyst zone comprising (a) Co metal and/or Co oxide and (b) MgO and/or Zn... | 06/14/1988 |
| 4628066 | Process for the production of methanol The present invention is a process for increasing the capacity of a gas phase synthesis loop for the production of methanol from a syngas feed. The syngas feed is initially passed to a liquid phase methanol reactor to convert a portion of the syngas to me... | 12/09/1986 |
| 4624968 | Multi-stage Fischer-Tropsch process A multi-stage catalyst system is disclosed for the production of waxes in a Fischer-Tropsch process while producing relatively low quantities of methane. A first catalyst converts CO and H2 into olefins, while a second catalyst converts the ole... | 11/25/1986 |
| 4525482 | Process for producing a gas containing methane This invention provides an improved, simple and energy saving process for producing a gas containing methane, which process utilizes a reactor having a catalyst bed of a structure wherein a synthesis gas is allowed to pass perpendicularly to the longitudi... | 06/25/1985 |
| 4499209 | Process for the preparation of a Fischer-Tropsch catalyst and preparation of hydrocarbons from syngas A Fischer-Tropsch catalyst is prepared by impregnating a silica carrier with a solution of a zirconium or titanium compound, calcining the composition thus obtained, thereafter impregnating the carrier with a cobalt compound-containing solution and calcin... | 02/12/1985 |
| 4481305 | Process for the preparation of hydrocarbons Hydrocarbons and especially as gasoline are prepared by the catalytic conversion in two subsequent reactors of a synthesis gas containing hydrogen and carbon oxides and having a mole ratio CO/H2 above 1 and when the conversion commences a mole ... | 11/06/1984 |
| 4443561 | Process for the preparation of organic compounds In a two-stage process for the conversion of H2 -poor syngas into hydrocarbons and oxygenates in which uncoverted syngas from the first stage product is converted in a second stage into paraffins over a Ni, Co or Ru catalyst, the H2 ... | 04/17/1984 |
