Patent classifications
C01B2203/1023
Synthetic fuels by electrically heated steam methane reforming
A method for producing a synthesis gas for use in the production of a hydrocarbon product, particularly a synthetic fuel, the method including the steps of: providing a hydrocarbon feed gas; optionally, purifying the hydrocarbon feed gas in a gas purification unit; optionally, prereforming the hydrocarbon feed gas 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 the synthesis gas into hydrocarbon product and producing a tail gas. Also, a system for producing a synthesis gas for use in the production of a hydrocarbon product, particularly a synthetic fuel.
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.
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.
ON DEMAND HYDROGEN FROM METHANOL
A reactor system and a process for carrying out the methanol cracking reaction of a feedstock comprising methanol to hydrogen are provided, where the heat for the endothermic methanol cracking reaction is provided by resistance heating.
CATALYST FOR DECOMPOSITION OF HYDROCARBONS
A catalyst for decomposition of hydrocarbons that is hard to cause deterioration of catalytic properties and suitable for producing hydrogen in a highly efficient manner for a long period is provided. The catalyst for the decomposition of hydrocarbons includes a nickel-containing layer exposed on a support layer selected from the group consisting of iron, cast iron, steel, copper, nickel, copper alloy, and iron nickel alloy. The catalyst for decomposition of hydrocarbons is produced by contacting a raw material of the catalyst with methane gas at an elevated temperature of 800° C. for 4 to 72 hours with an average residence time beyond 14 minutes. The catalyst further includes an interlayer comprising copper between the support layer and the nickel-containing layer, or the support layer is copper or copper alloy.
Hydrogen production by steam methane reforming
A hydrogen plant for producing hydrogen, including: a reforming reactor system including a first catalyst bed including an electrically conductive material and a catalytically active material, a heat insulation layer between the first catalyst bed and the pressure shell, and at least two conductors electrically connected to the electrically conductive material and to an electrical power supply placed outside the pressure shell, wherein the electrical power supply is dimensioned to heat at least part of the first catalyst bed to a temperature of at least 500° C. by passing an electrical current through the electrically conductive material, where the pressure shell has a design pressure of between 5 and 200 bar; a water gas shift unit downstream the reforming reactor system; and a gas separation unit downstream the water gas shift unit. A process for producing hydrogen from a feed gas including hydrocarbons.
SYNTHESIS GAS ON DEMAND
A method is provided for rapidly switching a metal-catalysed steam methane reforming reaction of a feed gas from a first steady-state reaction condition (A) to a second steady-state reaction condition (B) or vice-versa. After applying a given voltage and/or feed gas flow, the system can work towards a thermal equilibration to reach steady state without any additional operator input.
ENDOTHERMIC REACTION OF A FEED GAS HEATED BY RESISTANCE HEATING
Array including a first and a second monolith of a structured catalyst for carrying out an endothermic reaction of a feed gas, wherein: a) the first and second monolith include a macroscopic structure of a first and second electrically conductive material; b) each of said first and second monoliths has a number of flow channels formed therein for conveying feed gas through the monoliths; c) the array includes at least a first and a second conductor electrically connected to said first and second monoliths, respectively, and to an electrical power supply, d) the first and second monolith are electrically connected by a monolith bridge; e) the array is configured to direct an electrical current to run from the first conductor through the first monolith to a second end, then through the bridge, and then through the second monolith to the second conductor.
PROCESS FOR PRODUCING SYNTHESIS GAS WITH REDUCED STEAM EXPORT
A process is proposed for producing synthesis gas with reduced steam export by catalytic steam reforming of a hydrocarbonaceous feed gas with steam in a multitude of reformer tubes in a burner-heated reformer furnace to form a steam reforming flue gas. This process includes a configuration of the reformer tubes as reformer tubes with internal heat exchange and the use of a structured catalyst. For amounts of export steam between 0 and 0.8 kg of export steam per m.sub.N.sup.3 of hydrogen produced, these features interact synergistically when particular steam reforming conditions are selected.