Class / Patent application number | Description | Number of patent applications / Date published |
518709000 | INCLUDING REGENERATION OF CATALYST | 12 |
20090069450 | COMMERCIAL FISCHER-TROPSCH REACTOR - A catalytic reaction system comprising: a catalytic reactor fluidly connected with at least two slurry loops, wherein the reactor comprises at least as many reactor product outlets and at least as many slurry return inlets as slurry loops; wherein each slurry loop comprises a separation system comprising a separation system inlet, a separation system product outlet, and a concentrated catalyst slurry outlet; a slurry offtake fluidly connecting the separation system inlet with one of the reactor product outlets; and a slurry return fluidly connecting the separation system outlet with one of the slurry return inlets. The system may comprise at least three slurry loops. The system may comprise at least four slurry loops. A method for converting synthesis gas into liquid hydrocarbons via the catalytic reaction system in also disclosed. | 03-12-2009 |
20090221723 | FISCHER-TROSPCH AND OXYGENATE SYNTHESIS CATALYST ACTIVATION/REGENERATION IN A MICRO SCALE PROCESS - Processes for activating and/or regenerating Fischer-Tropsch and/or oxygenate synthesis catalysts include the transportation of a modular, portable catalyst activation and/or regeneration unit to Fischer-Tropsch and/or oxygenate production units. An alternative process for activating and/or regenerating Fischer-Tropsch and/or oxygenate synthesis catalysts includes activating and/or regenerating the catalyst in a production unit at a catalyst treatment facility. An alternative process for activating and/or regenerating Fischer-Tropsch and/or oxygenate synthesis catalysts includes activating and/or regenerating the catalyst in a synthesis reactor at a catalyst treatment facility. | 09-03-2009 |
20110039954 | CATALYST AND METHOD FOR SINGLE-STEP CONVERSION OF SYNGAS TO HYDROCARBON COMPOUNDS - Multi-functional catalyst and processes utilizing the catalyst in single-stage conversion of syngas into hydrocarbon compounds are provided. The multi-functional catalyst, which comprises two or more catalytic materials situated within molecular distances of each other, facilitates conversion of syngas into one or more intermediate compounds and then into desired hydrocarbon compounds, such as high octane gasoline, diesel, jet fuel, olefins, and xylenes. | 02-17-2011 |
20110039955 | Fluidization and Solids Processing In Microchannel Devices - This invention describes gas-solid, liquid-solid and gas-solid-liquid processes in microchannels devices including such processes as heterogeneous catalysis, particle formation, particle attrition, particle separation and adsorption or desorption of selected species. Various processes can be enhanced by the unique properties of microchannels such as the predominance of laminar flow, high rates of shear, high rates of heat transfer and high rates of mass transfer. Also encompassed by this invention are methods for the introduction to and removal from microchannels of particle containing fluid streams. | 02-17-2011 |
20110245355 | CATALYSTS - A process for regenerating a spent particulate wax-containing cobalt-based Fischer-Tropsch synthesis catalyst is provided. The process includes subjecting the spent wax-containing catalyst sequentially to a dewaxing treatment, an oxidation treatment and a reduction treatment. During the dewaxing treatment, the spent wax-containing catalyst is at least partially dewaxed, with dewaxed catalyst particles being produced. During the oxidation treatment, an oxygen-containing gas is passed through a bed of the dewaxed catalyst particles at an operating temperature T° C. where 15010-06-2011 | |
20110288186 | METHOD FOR RECYCLING FT-WAX-CONTAINING IRON CATALYST REMOVED FROM A FISCHER-TROPSCH REACTOR - A method is disclosed for utilizing a waste product flow discharged from a Fisher-Tropsch reactor, the waste product chiefly consisting of spent catalyst and FT wax. The method is characterized in that waste flow, specifically containing iron catalyst and FT wax, discharged from the FT reactor is passed back to the gasification unit of the BtL process. | 11-24-2011 |
20120165417 | PROCESS FOR REGENERATING A CATALYST - A process for regenerating one or more deactivated cobalt comprising Fischer-Tropsch catalyst particle(s), comprising the steps of: (i) oxidising the catalyst particle(s) at a temperature between 20 and 400° C.; (ii) treating the catalyst particle(s) for more than 5 minutes, (iii) drying the catalyst particle(s); and (iv) optionally reducing the catalyst particle(s) with hydrogen or a hydrogen comprising gas. This process may be preceded by a step in which Fischer-Tropsch product is removed from the catalyst particle(s). The treatment is performed using carbon dioxide and a liquid comprising ammonia. | 06-28-2012 |
20120225956 | Catalysts For The Reduction Of Carbon Dioxide To Methanol - A catalytic composition is provided for methanol production. The composition includes an alloy of at least two different metals M and M′, where M is selected from Ni, Pd, Ir, and Ru, and M′ is selected from Ga, Zn, and Al. A molar ratio of M to M′ is in the range of 1:10 to 10:1, and the alloy is configured to catalyze a reduction of CO | 09-06-2012 |
20120322899 | METHOD FOR MANUFACTURING A REGENERATED FISCHER-TROPSCH SYNTHESIS CATALYST, AND HYDROCARBON MANUFACTURING METHOD - A method for producing a regenerated Fischer-Tropsch synthesis catalyst obtained by regenerating a spent catalyst used in a Fischer-Tropsch synthesis reaction, comprising a steaming step of bringing the above spent catalyst into contact with a mixed gas comprising 1 to 30% by volume of steam and an inert gas at a pressure of atmospheric pressure to 5 MPa and a temperature of 150 to 350° C., the above spent catalyst being a spent catalyst in which cobalt and/or ruthenium is supported on a carrier comprising silica with an average pore diameter measured by a nitrogen adsorption method of 4 to 25 nm, and of which activity represented by an initial carbon monoxide conversion is 40 to 95%, based on the activity of a corresponding unused catalyst. | 12-20-2012 |
20130210939 | FISCHER-TROPSCH CATALYST REGENERATION - A process for the regeneration of deactivated catalyst from a Fischer-Tropsch synthesis reactor, the catalyst being a supported cobalt catalyst. The process comprises the following steps: a withdrawal step, in which a portion of deactivated catalyst together with liquid hydrocarbon is withdrawn from the reactor; a concentration step, in which the concentration of the catalyst in the liquid hydrocarbon is increased; a calcination step, in which the deactivated catalyst composition is subjected to an oxidising gas to oxidise carbonaceous material contained in the deactivated catalyst in to gaseous oxides of the components of the carbonaceous material; and a reactivation step, in which the deactivated catalyst composition is reactivated to produced a regenerated catalyst. | 08-15-2013 |
20140194540 | Methods and Apparatus for Sulfur Management in Catalytic Mixed-Alcohol Synthesis - The present invention provides methods to maintain selectivity to ethanol from syngas during mixed-alcohol synthesis when methanol is being recycled. In some variations, syngas is fed to an alcohol-synthesis reactor that contains a sulfided metal catalyst, and methanol is separated from ethanol to form a methanol recycle stream that contains sulfur-containing compounds. Recycling the methanol stream back to the alcohol-synthesis reactor allows for adding sulfur to, or reducing sulfur loss from, the sulfided metal catalyst. Optionally, additional sulfur compounds may be introduced to maintain sulfur levels in sulfided metal catalysts. Preferred sulfiding agents, concentrations, and recycle strategies are disclosed herein. | 07-10-2014 |
20140309316 | Self-Healing Catalysts: CO3O4 Nanorods for Fischer-Tropsch Synthesis - A self-healing reaction process for a chemical reaction is provided by exposing a catalyst a reaction mixture that includes carbon monoxide and hydrogen gas such that hydrocarbons are produced. The catalyst includes Co | 10-16-2014 |