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| Number | Title | Issue Date |
| 8022108 | Acid treatment of a fischer-tropsch derived hydrocarbon stream Novel methods of treating a Fischer-Tropsch product stream with an acid are disclosed. Such methods are capable of removing contamination from the Fischer-Tropsch product stream such that plugging of the catalyst beds of a subsequent hydroprocessing step is substant... | 09/20/2011 |
| 7879920 | Oxygenate to olefin manufacture and recovery process This invention is directed to methods for forming an olefin stream from a methanol stream. A lower grade methanol, such as chemical grade or crude methanol, can be used as feed to form the olefin stream. The process uses a relatively simple distillation type step to... | 02/01/2011 |
| 7812060 | Method for treatment of a gas A method of treating off-gas from a Fischer-Tropsch reaction comprises recovering the off-gas and hydrogenating a portion of the olefins present in the off-gas and converting a portion of the carbon monoxide present in the off-gas to carbon dioxide or methane. The t... | 10/12/2010 |
| 7803845 | Method and system for gasifying biomass Method and device for cleaning synthesis gas obtained during gasification of biomass are disclosed. The synthesis gas is passed through a saturation device and an absorption device, both of which are fed with oil. In this way, the synthesis gas is scrubbed with oil ... | 09/28/2010 |
| 7435759 | Method for the production of dimethyl ether A method for producing DME, which comprises separating a CO2 rich stream from a crude product stream containing DME and CO2 obtained by a DME synthesis from a feed syn gas; introducing the CO2 rich stream to a reverse water gas shift... | 10/14/2008 |
| 7405243 | 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 ... | 07/29/2008 |
| 7388106 | Process for preparing acrolein or acrylic acid or a mixture thereof from propane A process for preparing acrolein or acrylic acid or a mixture thereof from propane, in which propane is dehydrogenated under heterogeneous catalysis in a reaction zone A and the propylene formed is partially oxidized heterogeneously in a reaction zone, reaction zone... | 06/17/2008 |
| 7300635 | Catalytic reactor A catalytic reactor comprises a plurality of fluid-impermeable plates defining flow channels between them. Tight fitting within each flow channel is a sheet of corrugated material whose surfaces are coated with catalytic material. At each end of the flow channels ar... | 11/27/2007 |
| 7276095 | Fuel processor module for hydrogen production for a fuel cell engine using pressure swing adsorption A stand-alone fuel processor (10) for producing hydrogen from a hydrocarbon fuel for a fuel cell engine in a vehicle. The fuel processor (10) includes a primary reactor (14) that dissociates hydrogen and other by-products from the hydrocarbon fu... | 10/02/2007 |
| 7270741 | Method of purifying a water-rich stream produced during a fischer-tropsch reaction This invention relates to an improved method of separating non-acid chemicals from a water rich stream produced during a Fischer-Tropsch (FT) reaction. ... | 09/18/2007 |
| 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 |
| 7235218 | Catalytic reactors A compact catalytic reactor comprises a stack of plates (72, 74, 75) to define a multiplicity of first and second flow channels arranged alternately in the stack; each flow channel in which a chemical reaction is to take place is defined by straight-through c... | 06/26/2007 |
| 7235172 | Olefin production from steam cracking using process water as steam The invention includes a process for making olefins. In one embodiment, the process comprises producing steam from a process water comprising organic compounds, wherein the process water comprises at least a portion of a product water from a hydrocarbon synthesis pr... | 06/26/2007 |
| 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 |
| 7223373 | Catalytic reactor A catalytic reactor comprises a plurality of sheets defining flow channels between then. Within each flow channel is a foil of corrugated material whose surfaces are coated with catalytic material. The flow channels extend in transverse dire options, but the foils a... | 05/29/2007 |
| 7201883 | Catalytic reactor A catalytic reactor comprises a plurality of sheets defining flow channels between them. Within each flow channel is a foil of corrugated material whose surfaces are coated with catalytic material. Flow channels for a first gas extend in oblique directions relative ... | 04/10/2007 |
| 7189271 | Catalytic reactor A catalytic reactor comprises a plurality of thin tray-like metal sheets each with a peripheral rim and arranged as a stack to define first gas flow channels between adjacent sheets, alternating with second gas flow channels between adjacent sheets, so as to ensure ... | 03/13/2007 |
| 7186388 | Catalytic reactor A catalytic reactor comprises a stack of sheets defining flow channels between them. Within each flow channel is a flexible wire structure whose surfaces are coated with catalytic material. Flow channels for a first gas extend along S-shaped curved paths whereas the... | 03/06/2007 |
| 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 |
| 7163631 | Process for treating wastewater containing peracetic acid The present invention disclose a process for treating a wastewater from a foodstuff factory, wherein the pipelines are cleaned and the containers are sterilized by using a water containing peracetic acid as an disinfection agent. The process of the present invention... | 01/16/2007 |
| 7144924 | Process for the production in continuous of hydrocarbons from synthesis gas in slurry reactors and for the separation of the liquid phase produced from the solid phase Hydrocarbons are prepared, 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 rising synthes... | 12/05/2006 |
| 7132044 | Device that comprises recycling to a separator a liquid effluent that is obtained from an absorber and is mixed with a feedstock A device comprising at least one absorber, at least one cold separator from which is extracted a gaseous phase that feeds the absorber, at least one recycling to said cold separator of at least a portion of liquid effluent that is obtained from the absorber and whic... | 11/07/2006 |
| 7087205 | Method for carrying out chemical reactions in pseudo-isothermal conditions Method for carrying out in continuous, under so-called pseudo-isothermal conditions and in a predetermined reaction environment, such as a catalytic bed, a selected chemical reaction, comprising the steps of providing in the reaction environment at least one heat ex... | 08/08/2006 |
| 7053128 | Hydrocarbon synthesis process using pressure swing reforming The invention provides a method for producing liquid hydrocarbons by first generating in a pressure swing reformer a synthesis gas stream having a mole ratio of H2:CO greater than 2:1. Then, a portion of the hydrogen is separated to produce a synthesis ga... | 05/30/2006 |
| 7045063 | Treatment of swine wastewater by biological and membrane separation technologies The present invention provides an integrated system for treatment of biodegradable waste, including sewage sludge, forestry waste, food waste, agricultural waste, municipal waste, and the like. The integrated system comprises an anaerobic reactor, at least one aerob... | 05/16/2006 |
| 7045238 | SORFC power and oxygen generation method and system A solid oxide regenerative fuel cell system is used to supply power in a fuel cell mode and to generate metabolic oxygen and a hydrocarbon fuel reserve in an electrolysis mode. The system may also be used as a secondary power source or for energy peak shaving applic... | 05/16/2006 |
| 7045553 | Hydrocarbon synthesis process using pressure swing reforming The invention provides a method for producing liquid hydrocarbons by first generating in a pressure swing reformer a synthesis gas stream having a mole ratio of H2:CO greater than 2:1. Then, a portion of the hydrogen is separated to produce a synthesis ga... | 05/16/2006 |
| 7022307 | Method for gas—solid contacting in a bubbling fluidized bed reactor The present invention relates to a method for gas-solid contacting in a bubbling fluidized bed reactor by: (a) introducing into a reactor with bed length to bed diameter ratio below about 5.0, a primary gas consisting essentially of reactant(s) of the r... | 04/04/2006 |
| 6958363 | Hydrogen use in a GTL plant The present invention provides a process for managing hydrogen in a hydrocarbon gas to liquid plant. The process includes passing a syngas feed stream produced by a partial oxidation reactor to a Fischer-Tropsch reactor, thereby converting the syngas to hydrocarbon ... | 10/25/2005 |
| 6955704 | Mobile gas separator system and method for treating dirty gas at the well site of a stimulated well A method and mobile system for cleaning dirty gas from a newly stimulated gas well. The entire system is supported on a trailer or other mobile support so that it can be driven from well site to well site for short-term, post-stimulation use only. The system compris... | 10/18/2005 |
| 6955792 | Pseudo isothermal catalytic reactor for exothermic or endothermic heterogeneous chemical reactions Heat exchange unit for pseudo-isothermal reactors including a substantially cylindrical shell (2) closed at its opposite ends by respective bottoms (3, 4), at least one thereof is provided with at least one manhole opening (5) of predetermined d... | 10/18/2005 |
| 6946493 | Managing hydrogen in a gas to liquid plant The present invention provides a process for managing hydrogen in a hydrocarbon gas to liquid plant. The process includes feeding a syngas stream produced by a partial oxidation reactor to a Fischer-Tropsch reactor, thereby converting the syngas to hydrocarbon liqui... | 09/20/2005 |
| 6900247 | Natural gas conversion to hydrocarbons and ammonia A process for the production of hydrocarbons and ammonia, and more particularly a process for optimizing the production of hydrocarbons and ammonia using a combined hydrocarbon synthesis plant and ammonia synthesis plant. Synthesis gas exiting a reforming section of... | 05/31/2005 |
| 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 |
| 6800665 | Method for producing dimethyl ether A method for producing dimethyl ether comprising: (a) reacting a raw material gas containing carbon monoxide and hydrogen in the presence of a catalyst to produce a reaction gas including dimethyl ether, carbon dioxide, carbon monoxide and hydrogen; (b) separating t... | 10/05/2004 |
| 6776898 | Process for softening fischer-tropsch wax with mild hydrotreating A novel process for forming hydrocarbon waxes from synthesis gas is disclosed. This invention teaches a process whereby a Fischer-Tropsch wax can be formulated such that the wax softness as defined by ASTM Standard Test Method for Needle Penetration of waxes (ASTM D... | 08/17/2004 |
| 6534064 | Stabilized protein particles for inducing cellular immune responses A method for producing a cellular immune response in a vertebrate subject comprising administering to the vertebrate subject a vaccine composition comprising a protein particle antigen and a pharmaceutically acceptable excipient is disclosed.... | 03/18/2003 |
| 6410477 | Hydrogenation catalyst of carbon monoxide and method of manufacturing hydrogenation product Provided is a hydrogenation catalyst of carbon monoxide, which is suited to the manufacture of a hydrogenation product containing target components (e.g., gasoline fuel oil components or diesel fuel oil components) at high selectivity from a gas mixture o... | 06/25/2002 |
| 6258860 | Process for the production of methanol The invention provides a process for the production of methanol from synthesis gas derived from a carbonaceous feedstock which comprises the following steps: (1) part of the unreacted gas stream from a first methanol synthesis zone is recycled to the firs... | 07/10/2001 |
| 6103773 | Gas conversion using hydrogen produced from syngas for removing sulfur from gas well hydrocarbon liquids A gas conversion process comprising synthesis gas production, hydrocarbon synthesis and hydrogen production from the synthesis gas, also includes hydrodesulfurizing sulfur-containing hydrocarbon liquids separated from a mixture of natural gas and the liqu... | 08/15/2000 |
