Patent classifications
C01B2203/1082
Biogas Conversion To Synthesis Gas For Producing Hydrocarbons
The invention relates to a a method for producing a synthesis gas for use in the production of a hydrocarbon product, particularly a synthetic fuel, said method comprising the steps of: providing a hydrocarbon feed stream comprising biogas; optionally, purifying the hydrocarbon feed stream in a gas purification unit; optionally, prereforming the hydrocarbon 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 synthetic fuel synthesis unit, preferably a Fischer-Tropsch synthesis unit, for converting said synthesis gas into hydrocarbon product and producing a tail gas. The invention also relates to a system for producing a synthesis gas for use in the production of a hydrocarbon product, particularly a synthetic fuel.
ENDOTHERMIC REACTION OF A FEED GAS HEATED BY RESISTANCE HEATING
Structured catalyst arranged for catalyzing an endothermic reaction of a feed gas, said structured catalyst comprising a macroscopic structure of electrically conductive material, said macroscopic structure supporting a ceramic coating, wherein said ceramic coating supports a catalytically active material, wherein the electrically conductive material at least partly is a composite in the form of a homogenous mixture of an electrically conductive metallic material and a ceramic material, wherein the macroscopic structure at least partly is composed of two or more materials with different resistivities.
REFORMING CATALYST
A novel steam reforming catalyst comprising hibonite and potassium beta-alumina with improved resilience, improved activity, reduced potassium leaching and reduced coking problems. It also regards a method for producing the novel catalyst and uses of the novel catalyst in reforming reactors, in a plant for producing hydrogen gas, or in a plant for producing synthesis gas.
COMPOSITIONS, METHODS, AND SYSTEMS FOR MICROWAVE ENHANCED CARBON DIOXIDE-DEHYDROAROMATIZATION OVER MULTIFUNCTIONAL CATALYSTS
In one aspect, the disclosure relates to multi-functional catalysts for use in carbon dioxide-assisted dehydroaromatization (CO.sub.2-DHA) processes utilizing a microwave reactor. The disclosed multifunctional catalysts inhibit coke production, thereby solving a long-standing problem of rapid deactivation and regeneration issues. Moreover, the disclosed multifunctional catalysts, when used in the disclosed processes, provide for a reduced reaction temperature and improved BTX aromatic selectivity versus conventional process. The disclosed multifunctional catalysts for the aromatization of natural gas provide a more cost effective and energy efficient processes than existing conventional methods. Accordingly, the disclosed technology can significantly improve process economics for natural gas conversion and BTX aromatics production and yield a higher percent of product while limiting side reactions. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present disclosure.
Systems and methods for processing ammonia
The present disclosure provides methods for fabricating catalysts for ammonia decomposition. The method may comprise (a) subjecting a catalyst support to one or more physical or chemical processes to optimize one or more pores, morphologies, and/or surface chemistry or property of the catalyst support; (b) depositing a composite support material on the catalyst support, wherein the composite support material comprises a morphology or surface chemistry or property; and (c) depositing one or more active metals on at least one of the composite support material and the catalyst support, wherein the one or more active metals comprise one or more nanoparticles configured to conform to the morphology of the composite support material and/or catalyst support material, thereby optimizing one or more active sites on the nanoparticles for ammonia processing.
CATALYST STRUCTURE FOR SYNTHESIS GAS PRODUCTION, SYNTHESIS GAS PRODUCTION APPARATUS, AND METHOD FOR PRODUCING CATALYST STRUCTURE FOR SYNTHESIS GAS PRODUCTION
A catalyst structure for synthesis gas production of a synthesis gas that contains carbon monoxide and hydrogen, the catalyst structure being provided with a carrier that has a porous structure, while being configured from a zeolite type compound; first catalyst particles that contain one or more iron group elements which are selected from the group consisting of nickel (Ni), iron (Fe) and cobalt (Co); and second catalyst particles that contain one or more platinum group elements which are selected from the group consisting of platinum (Pt), palladium (Pd), rhodium (Rh) and ruthenium (Ru). The catalyst structure for synthesis gas production has passages in communication with each other within the carrier. The first catalyst particles are present at least in the passages of the carrier; and the second catalyst particles are present at least either inside the carrier or on the outer surface of the carrier.
Thermally stable monolith catalysts for methane reforming and preparing method of the same
The present invention relates to a monolith catalyst for carbon-dioxide/methane reforming and a method of manufacturing the same, and more particularly to a novel monolith catalyst for a reforming reaction having improved thermal durability, configured such that a sintering inhibiting layer is formed by coating the surface of a monolith support with at least one element selected from the group consisting of Group 2, 3, 6, 13, 15 and 16 elements among elements in Period 3 or higher and an active catalyst layer is formed on the sintering inhibiting layer, thereby preventing carbon deposition and catalyst deactivation due to deterioration even upon reaction at high temperatures.
CATALYST COMPOSITION, CATALYST AND METHOD FOR MANUFACTURING THE SAME, AND METHOD FOR HYDROGEN PRODUCTION
A catalyst composition for manufacturing a catalyst for hydrogen production based on thermochemical reaction of methanol is disclosed. The catalyst composition includes a support component and an active component. The support component includes cement and clay, wherein a weight ratio of the cement to the clay is 3/7 to 9/1. The active component includes copper oxide or a precursor of copper oxide. Based on 100 parts by weight of the support component, a content of the active component is 5 to 10 parts by weight.
SYSTEMS AND METHODS FOR PROCESSING AMMONIA
The present disclosure provides methods for fabricating catalysts for ammonia decomposition. The method may comprise (a) subjecting a catalyst support to one or more physical or chemical processes to optimize one or more pores, morphologies, and/or surface chemistry or property of the catalyst support; (b) depositing a composite support material on the catalyst support, wherein the composite support material comprises a morphology or surface chemistry or property; and (c) depositing one or more active metals on at least one of the composite support material and the catalyst support, wherein the one or more active metals comprise one or more nanoparticles configured to conform to the morphology of the composite support material and/or catalyst support material, thereby optimizing one or more active sites on the nanoparticles for ammonia processing.
Method for producing silanol compound and hydrogen
Provided is a method for generating hydrogen at a desired rate, using a hydrogen storage material that can be stored and transported safely and inexpensively. The method according to the present invention for producing a silanol compound and hydrogen includes subjecting a hydrosilane compound and water to a reaction with each other in the presence of a solid catalyst to give a silanol compound and hydrogen. The solid catalyst includes hydroxyapatite and gold particles supported on the hydroxyapatite, where the gold particles have an average particle size of 2.5 nm or less. The reaction in the method according to the present invention for producing a silanol compound and hydrogen is preferably performed in an air atmosphere. The reaction in the method according to the present invention for producing a silanol compound and hydrogen can be performed with application of substantially no heat and no activated energy rays.