Patent classifications
C01B2203/1205
METHOD FOR PRODUCTION OF A HYDROGEN RICH GAS
The present disclosure relates to a process plant and a process for production of a hydrogen rich gas, comprising the steps of (a) directing an amount of a synthesis gas comprising at least 15%, 50% or 80% on dry basis of CO and H.sub.2 in combination, a gas comprising steam, and a recycled intermediate product gas to be combined into a first reactor feed gas, (b) directing said first reactor feed gas to contact a first material catalytically active in water gas shift reaction, producing an intermediate product gas, (c) splitting said intermediate product gas in the recycled intermediate product gas and a remaining intermediate product gas, (d) combining said remaining intermediate product gas with a further amount of synthesis gas forming a second reactor feed gas, (e) directing said second reactor feed gas to contact a second material catalytically active in the water gas shift reaction, producing a product gas, characterized in the H.sub.2O:CO ratio in said first reactor feed gas being from 0.5 to 2.0 and the H.sub.2O:CO ratio in said second reactor feed gas being from 0.5 to 2.0. with the associated benefit of distributing the heat development and thus reducing the maximum temperature in the reactors by limiting the extent of reaction of the reacting mixture, and thereby reducing the amount of steam required for limiting methanation.
PROCESS TO PREPARE AN ACTIVATED CARBON PRODUCT AND A SYNGAS MIXTURE
The invention is directed to a process to prepare an activated carbon product and a gaseous fraction comprising hydrogen, carbon monoxide and a mixture of gaseous organic compounds from a solid torrefied biomass feed comprising the following steps. (i) subjecting the solid biomass feed to a pyrolysis reaction thereby obtaining a gaseous fraction comprising hydrogen, carbon monoxide and a mixture of gaseous organic compounds and a solid fraction comprising of char particles. (ii) separating the solids fraction from the gaseous fraction. and (iii) activating the char particles as obtained in step (ii) to obtain the activated carbon product.
Gasifier having integrated fuel cell power generation system
A direct carbonaceous material to power generation system integrates one or more solid oxide fuel cells (SOFC) into a fluidized bed gasifier. The fuel cell anode is in direct contact with bed material so that the H.sub.2 and CO generated in the bed are oxidized to H.sub.2O and CO.sub.2 to create a push-pull or source-sink reaction environment. The SOFC is exothermic and supplies heat within a reaction chamber of the gasifier where the fluidized bed conducts an endothermic reaction. The products from the anode are the reactants for the reformer and vice versa. A lower bed in the reaction chamber may comprise engineered multi-function material which may incorporate one or more catalysts and reactant adsorbent sites to facilitate excellent heat and mass transfer and fluidization dynamics in fluidized beds. The catalyst is capable of cracking tars and reforming hydrocarbons.
Hydrogen producing fuel cartridge and methods for producing hydrogen
In aspects of the disclosure, a fuel cartridge wherein the fuel is in a powdered form is admixed with inert materials such as alumina or other ceramics to improve thermal conductivity. Said cartridge having fuel zones, heating zones, and controllers to selectively heat fuel zones and thereby generate hydrogen via decomposition of fuel is disclosed.
A PROCESS AND REACTOR FOR CONVERTING CARBON DIOXIDE INTO CARBON MONOXIDE
A process for converting carbon dioxide and hydrogen into a product stream comprising carbon monoxide, water and hydrogen by introducing carbon dioxide, hydrogen and oxygen into a reaction vessel, and performing a reverse water gas shift reaction at elevated temperature, wherein (a) no catalyst is present in vessel (b) gas stream comprising carbon dioxide, a hydrogen and an oxygen rich gas stream are introduced into the vessel in separate feed streams, (c) the hydrogen and oxygen rich gas stream being introduced in close vicinity of each other, via burner comprising coaxial channels wherein gases gas undergo a combustion reaction, providing the heating energy required for the reverse water-gas shift reaction; and (d) the temperature in vessel is in the range of 1000 to 1500° C. by varying the molar ratio of hydrogen to oxygen.
It is useful in reducing the carbon footprint of certain industrial technologies, and in production of synthesis gas.
Process to prepare an activated carbon product and a syngas mixture
The invention is directed to a process to prepare an activated carbon product and a syngas mixture comprising hydrogen and carbon monoxide from a solid torrefied biomass feed comprising the following steps, (i) subjecting the solid biomass feed to a pyrolysis reaction thereby obtaining a gaseous fraction comprising hydrogen, carbon monoxide and a mixture of gaseous organic compounds and a solid fraction comprising of char particles, (ii) separating the solids fraction from the gaseous fraction, (iii) subjecting the gaseous fraction obtained in step (ii) to a continuously operated partial oxidation to obtain a syngas mixture further comprising water and having an elevated temperature and (iv) activating the char particles as obtained in step (ii) to obtain the activated carbon product.
Biogas upgrading to methanol
A method for upgrading biogas to methanol, including the steps of: providing a reformer feed stream comprising biogas; optionally, purifying the reformer feed stream in a gas purification unit; optionally, prereforming the reformer feed stream together with a steam feedstock in a prereforming unit; carrying out steam methane reforming in a reforming reactor heated by means of an electrical power source; providing the synthesis gas to a methanol synthesis unit to provide a product including methanol and an off-gas. Also, a system for upgrading biogas to methanol.
DIRECT COUPLED ATMOSPHERIC CARBON REDUCTION DEVICE WITH HYDROGEN UTILIZATION
Combining multiple subsystems involving biomass processing, biomass gasification of the processed biomass where a synthesis gas is produced then converted to hydrogen fuels or other transportation fuels for use in coupled transportation systems sized to consume all the transportation fuel produced. Carbon in the biomass is converted to CO.sub.2 in the conversion process and a portion of that CO.sub.2 is captured and sequestrated for long term storage.
Fuel generation using high-voltage electric fields methods
Methods of making fuel are described herein. A method may include providing a first working fluid, a second working fluid, and a third working fluid. The method may also include exposing the first working fluid to a first high voltage electric field to produce a first plasma, exposing the second working fluid to a second high voltage electric field to produce a second plasma, and exposing the third working fluid to a third high voltage electric field to produce a third plasma. The method may also include providing and contacting a carbon-based feedstock with the third plasma, the second plasma, and the first plasma within a processing chamber to form a mixture, cooling the mixture using a heat exchange device to form a cooled mixture, and contacting the cooled mixture with a catalyst to form a fuel.
GASIFICATION OF DENSIFIED TEXTILES AND SOLID FOSSIL FUELS TO PRODUCE ORGANIC COMPOUNDS
Densified textile aggregates are co-fed with a fuel into a partial oxidation gasifier. High solids concentrations in the feedstock composition can be obtained without significant impact on the feedstock composition stability and pumpability. A consistent quality of syngas can be continuously produced, including generation of carbon dioxide and a carbon monoxide/hydrogen ratio while stably operating the gasifier and avoiding the high tar generation of fluidized bed or fixed bed waste gasifiers and without impacting the operations of the gasifier. The syngas quality, composition, and throughput are suitable for produce a wide range of chemicals.