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| Number | Title | Issue Date |
| 8153698 | Method for producing bio-fuel that integrates heat from carbon-carbon bond-forming reactions to drive biomass gasification reactions A low-temperature catalytic process for converting biomass (preferably glycerol recovered from the fabrication of bio-diesel) to synthesis gas (i.e., H2/CO gas mixture) in an endothermic gasification reaction is described. The synthesis gas is used in exo... | 04/10/2012 |
| 8148435 | Integrated coal to liquids process and system An integrated coal-to-liquids process is provided to minimize carbon dioxide emissions and efficiently make use of carbon resources, by recovering carbon dioxide emissions from Coal-to-Liquids (CTL) facilities, using the recovered carbon dioxide in at least one carb... | 04/03/2012 |
| 8039519 | Process and plant for substitute natural gas A process for producing substitute natural gas (SNG) comprising the steps of reacting a fresh syngas (11) into a methanation section (10) comprising adiabatic reactors (101-104) connected in series, with heat removal and reacted gas-recir... | 10/18/2011 |
| 7977391 | Process for producing condensed-phase product from one or more gas-phase reactants Process for the production of a condensed-phase product from one or more gas-phase reactants, by feeding one or more reactants into a reactor, in which reactor the one or more reactants react in the gas-phase in the presence of a solid catalyst having one or more ca... | 07/12/2011 |
| 7910630 | Process for the preparation of pure 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 wit... | 03/22/2011 |
| 7855236 | Method to start a process for producing hydrocarbons from synthesis gas Method to start a steady state process for producing normally gaseous, normally liquid and optionally normally solid hydrocarbons from synthesis gas, which process comprises the steps of: (i) providing the synthesis gas; and (ii) catalytically converting the synthes... | 12/21/2010 |
| 7829602 | Process and apparatus for converting natural gas to higher molecular weight hydrocarbons using microchannel process technology The disclosed invention relates to a process and apparatus for converting natural gas to higher molecular weight hydrocarbons. The process includes steam reforming to form synthesis gas followed by a Fischer-Tropsch reaction to convert the synthesis gas to the high ... | 11/09/2010 |
| 7795318 | Multi stage Fischer-Tropsch process A multi-stage process for the production of hydrocarbon products from syngas, each stage of the process comprising one or more syngas conversion reactors in which syngas is partially converted into hydrocarbon products at conversion conditions, each conversion react... | 09/14/2010 |
| 7790775 | Process for use in gas phase reactions A process for use in equilibrium exothermic gas phase reactions comprising the steps of (a) providing a recycle stream with the addition of make-up gas, to form a feed gas stream; (b) heating the feed gas stream; (c) passing the heated feed gas stream to a first rea... | 09/07/2010 |
| 7683099 | Method for carrying out heterogeneous catalytic exothermic gas phase reactions The invention relates to a method for carrying out heterogeneous catalytic exothermic gas phase reactions at a high temperature and high pressure, during which the synthesis gas comprised of a mixture of make-up gas and/or of recycle gas is fed through at least two ... | 03/23/2010 |
| 7432310 | Process for synthesising hydrocarbons A process (10) for synthesising hydrocarbons includes feeding a gaseous feedstock (18) comprising hydrogen and carbon monoxide, into a first Fischer-Tropsch reaction stage (12) which is a three-phase low temperature catalytic Fischer-Tropsch rea... | 10/07/2008 |
| 7425524 | Gear lubricant with a base oil having a low traction coefficient A multigrade automotive gear lubricant comprising a base oil having a traction coefficient less than 0.021. A method for saving energy using a gear lubricant, comprising blending a multigrade gear lubricant by adding a base oil having a traction coefficient less tha... | 09/16/2008 |
| 7420004 | Process and System for producing synthetic liquid hydrocarbon fuels A process for producing synthetic hydrocarbons that reacts carbon dioxide, obtained from seawater of air, and hydrogen obtained from water, with a catalyst in a chemical process such as reverse water gas shift combined with Fischer Tropsch synthesis. The hydrogen is... | 09/02/2008 |
| 7396972 | Methanol feed for producing olefin streams A method for producing an olefin stream is provided based on conversion of an initial natural gas stream into a synthesis gas. The resulting synthesis gas is enriched with CO2 previously separated from the natural gas stream. The synthesis gas is then use... | 07/08/2008 |
| RE40419 | Production of synthetic transportation fuels from carbonaceous material using self-sustained hydro-gasification A process and apparatus for producing a synthesis gas for use as a gaseous fuel or as feed into a Fischer-Tropsch reactor to produce a liquid fuel in a substantially self-sustaining process. A slurry of particles of carbonaceous material in water, and hydrogen from ... | 07/01/2008 |
| 7384985 | Process for producing methanol This invention is directed to a process for producing methanol. The methanol product that is produced according to this invention is achieved with a high conversion of synthesis gas. The high conversion of synthesis gas is achieved by flowing a liquid layer across a... | 06/10/2008 |
| 7375142 | Process and apparatus for the production of useful products from carbonaceous feedstock A carbonaceous feedstock to alcohol conversion process in which carbon dioxide and a portion of the hydrogen produced are removed from the syngas stream issuing from a feedstock reformer, to yield a reduced hydrogen, carbon monoxide and methane syngas stream. The hy... | 05/20/2008 |
| 7371361 | Maximum reaction rate converter system for exothermic reactions An ammonia converter system and method are disclosed. The reactor can alter the conversion of ammonia by controlling the reaction temperature of the exothermic reaction along the length of the reactor to parallel the equilibrium curve for the desired product. The re... | 05/13/2008 |
| 7351750 | Method for producing long-chain hydrocarbons from natural gas Natural gas is reacted with steam for generating carbon monoxide and hydrogen in a first catalytic reactor. The resulting gas mixture is used to perform Fischer-Tropsch synthesis in a second catalytic reactor. After performing Fischer-Tropsch synthesis, the remainin... | 04/01/2008 |
| 7287745 | Liquid-continuous column distillation Bubble columns fractionate with vapor-liquid mass transfer efficiencies approaching that of distillation towers when vapor velocities in excess of 50% of jet flood are used. If the vapor velocities are pushed above about 70% of jet flood then the distillation perfor... | 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 |
| 7247656 | Membrane-enhanced liquid production for syngas hubs This disclosure discusses problems associated with using natural gas to produce a variety of synthetic hydrocarbon products by production processes that require syngas feedstocks with varying H2/CO and (H2−CO2)/(CO+CO2) ratios. A number of gas separation membranes... | 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 |
| 7230035 | Catalysts for the conversion of methane to synthesis gas The present invention relates to improved catalyst compositions, as well as methods of making and using such compositions to prepare synthesis gas and ultimately C5+ hydrocarbons. In particular, preferred embodiments of the present invention comprise cata... | 06/12/2007 |
| 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 |
| 7217741 | Catalytic reactor and process Fischer-Tropsch synthesis is performed using a compact catalytic reactor unit (10) defining channels in which is a gas-permeable catalyst structure (16), the channels extending between headers (18). The synthesis occurs in at least two stages, a... | 05/15/2007 |
| 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 |
| 7214843 | Treating oxygenate containing feedstreams in the conversion of oxygenates to olefins This invention is directed to removing contaminants from an oxygenate-containing feedstream for an oxygenate to olefin reaction system. Oxygenate feeds used in the conversion of oxygenates to olefins, and which contain contaminants, are heated to form a vapor stream... | 05/08/2007 |
| 7208530 | Production of synthetic transportation fuels from carbonaceous material using self-sustained hydro-gasification A process and apparatus for producing a synthesis gas for use as a gaseous fuel or as feed into a Fischer-Tropsch reactor to produce a liquid fuel in a substantially self-sustaining process. A slurry of particles of carbonaceous material in water, and hydrogen from ... | 04/24/2007 |
| 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 |
| 7192987 | Processes for making methanol streams and uses for the streams This invention is directed to processes (i.e., methods) for making methanol compositions, and to processes (i.e., methods) of using the methanol compositions. The methanol compositions contain ethanol and are particularly suitable for contacting with an olefin formi... | 03/20/2007 |
| 7183328 | Methanol manufacture using pressure swing reforming A process for producing methanol is described in which a hydrocarbon is steam reformed in a reforming zone, and during the reforming stage, of a cyclic steam reformer having a reforming stage and a regeneration stage, the steam reforming being conducted under condit... | 02/27/2007 |
| 7168265 | Integrated processing of natural gas into liquid products An integrated process for producing LNG and GTL products is provided, wherein a CO2-containing natural gas feed to an LNG production zone is first pre-treated to separate at least a portion of the CO2 therefrom, and the resulting CO2 | 01/30/2007 |
| 7161051 | Integration of a methanol synthesis system with a methanol to olefin reaction system Disclosed is a process for producing light olefins in an integrated methanol synthesis/MTO reaction system. The integrated system implements a shared separation system for separating oxygenate components from the respective methanol synthesis system and MTO reaction... | 01/09/2007 |
| 7151198 | Integration of a methanol synthesis system with a methanol to olefin reaction system Disclosed is a process for producing light olefins in an integrated methanol synthesis/MTO reaction system. The integrated system implements a shared separation system for separating oxygenate components from the respective methanol synthesis system and MTO reaction... | 12/19/2006 |
| 7144923 | Methanol synthesis Methanol is synthesized from pre-heated methanol synthesis gas in one or more adiabatic synthesis stages with cooling of the resultant gas after each stage. Further methanol synthesis is then effected on the resultant partially reacted synthesis gas in a bed of synt... | 12/05/2006 |
| 7138001 | Partial oxidation reformer-reforming exchanger arrangement for hydrogen production Low-energy hydrogen production is disclosed. A reforming exchanger is placed in parallel with a partial oxidation reactor in a new hydrogen plant with improved efficiency and reduced steam export, or in an existing hydrogen plant where the hydrogen capacity can be i... | 11/21/2006 |
| 7135152 | Conjoined reactor system A gas-agitated multiphase reactor system with multiple reaction zones comprising gas-liquid or gas-liquid-solid mixtures that can maximize the production rate while allowing better control of the temperature distribution and better control of the liquid and solid ph... | 11/14/2006 |
| 7115669 | Minimizing the volume or maximizing the production rate of slurry bubble reactors by using large gas flow rates and moderate single pass conversion A gas-agitated multiphase reactor system that is effective for enabling maximum reactor productivity or minimizing reactor volume comprising at least two stages with or without recycle, wherein inlet gas superficial velocity is at least 20 cm/sec at Fischer-Tropsch ... | 10/03/2006 |
| 7115670 | Fischer-Tropsch synthesis process A process for the conversion of synthesis gas to higher hydrocarbons by synthesis gas, at an elevated temperature and pressure, with a suspension of a particulate Fischer-Tropsch catalyst, in a system comprising at least one high shear mixing zone and a reactor vess... | 10/03/2006 |
