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436
resultados
Última actualización
16/01/2026 [06:57:00]
Resultados 25 a 50 de 436
Resumen de: WO2026008081A1
Disclosed in the present invention is a system for preparing green methanol by means of biomass gasification coupled with green hydrogen. The system comprises: a gasification unit (A), a purification unit (B), a hydrogen and oxygen unit (C) and a synthesis unit (D), wherein synthesis gas (104) produced by the gasification unit (A) passes through the purification unit (B) and serves as a raw material gas (107) of the synthesis unit; oxygen (109) produced by the hydrogen and oxygen unit (C) serves as oxygen of the gasification unit, and hydrogen (113) produced by the hydrogen and oxygen unit (C) serves as a hydrogen source for adjusting the hydrogen-carbon ratio of the raw material gas of the synthesis unit (D); and part of a purge gas (121) of the synthesis unit (D) is returned to the gasification unit for recycling. The system of the present invention operates stably and reliably, and has a high utilization rate of renewable carbon sources, and a low methanol preparation cost.
Resumen de: GB2642174A
An electrolysis system 200 for generating hydrogen and/or oxygen is defined. The system comprising: a first electrolysis apparatus 220, such as an electrolysis stack or cell. The system comprising at least one electrode for the decomposition of electrolyte water. A power supply unit is defined for supplying electric power to the first electrolysis apparatus 220. The power supply unit comprises a first diode for converting an AC input signal to a first pulsed DC signal, said first pulsed DC signal being a first half wave of the AC input signal; where the first electrolysis apparatus 220 is connected to the power supply unit in such a way that the first electrolysis apparatus 220 is supplied with the first pulsed DC signal. The power supply apparatus may comprise a centre tapped full wave rectifier. The electrolysis system may be used for the decomposition of ammonia.
Resumen de: AU2024202934A1
Disclosed in one example is gas pressure equalisation systems (400-401), and method of operation, for an electro-synthetic or electro-energy liquid-gas cell or cell stack (210). The gas pressure equalisation systems (400-401) comprise a first pressure equalisation tank (410) for partially containing a first liquid (470) and a first gas. The first gas is positioned above a liquid first level (471). A first gas conduit (430) is provided for the transfer of the first gas between the cell or cell stack (210) and the first pressure equalisation tank (410). In another example, a second pressure equalisation tank (420) may be additionally provided for partially containing a second liquid (473) and a second gas positioned above a liquid second level (472). A second gas conduit (440) is then provided for the transfer of the second gas between the cell or cell stack (210) and the second pressure equalisation tank (420).
Resumen de: CN120813540A
The invention relates to a method for purifying a hydrogen stream polluted by water, oxygen and possibly nitrogen, said method comprising contacting the hydrogen stream to be purified with a zeolite-based adsorbent material, the zeolite-based adsorbent material comprises at least one metal selected from the metals of columns 3 to 12 of the Periodic Table of Elements in the form of a zero-valent metal, or in an oxidized or reduced form, and recovering a purified oxygen stream. The invention also relates to the use of a zeolite-based adsorbent material comprising at least one metal from column 3 to column 12 of the Periodic Table of Elements for purifying hydrogen, and the use of the thus purified hydrogen in industrial processes.
Resumen de: AU2024228415A1
Enclosure adapted for a hydrogen and oxygen generating apparatus arranged in a movable has an interior and an interior surface and an exterior surface whereby the hydrogen and oxygen generating apparatus comprises at least one electrolyser stack adapted for electrolysing water to hydrogen product gas and oxygen product gas and accompanying gas and electrolyte handling equipment. The exterior surface of the enclosure comprises at least a heat insulating, flexible polymer cover element which is attached to a metal frame.
Resumen de: WO2024179759A1
The invention relates to an electrochemical cell and to a method for producing hydrogen and oxygen from water. By virtue of the electrochemical cell according to the invention, it is possible to carry out an electrochemical reaction at temperatures of 120 °C - 200 °C and pressures of up to 30 bar even under harsh chemical conditions (e.g. KOH mass fractions of up to 35% in the electrolyte) over long periods of time. By virtue of the method according to the invention it is possible to produce hydrogen and oxygen from water at temperatures of 120 °C - 200° C and pressures of up to 30 bar even under harsh chemical conditions (e.g. KOH mass fractions of up to 35% in the electrolyte).
Resumen de: WO2024129246A1
Herein discussed is a method of producing hydrogen comprising: (a) providing an electrochemical reactor having an anode, a cathode, and a membrane between the anode and the cathode, wherein the membrane conducts both electrons and protons, wherein the anode and cathode are porous; (b) introducing a first stream to the anode, wherein the first stream comprises ammonia or a cracked ammonia product; and (c) extracting a second stream from the cathode, wherein the second stream comprises hydrogen, wherein the first stream and the second stream are separated by the membrane.
Resumen de: AU2024262055A1
A family of catalysts for oxygen evolution reaction (OER) in alkaline condition is disclosed. The catalysts utilize elements which are abundant on earth, leading to lower costs compared to IrCh catalysts. The catalysts can be used in the anode of an anion exchange membrane-based water electrolyzer. The family of new catalysts comprises Ni, Fe, M, B, and O, where M is a metal from Group VIB, Group VIII, and elements 57-71 of the Periodic Table. The catalyst has a layered double hydroxide structure. Methods of making the catalysts are also described.
Resumen de: EP4675012A1
The present invention relates to a hydrogen production system and a control method therefor. The method comprises: determining operation parameter information of the hydrogen production system according to output information of a new energy power generation device; and, according to the operation parameter information and operation demand information of the hydrogen production system, selecting a switching-on mode and a switching-off mode from amongst a plurality of preset modes of hydrogen production units of the hydrogen production system. On the basis of the output information of the new energy power generation device and the operation conditions of the hydrogen production system, the present invention performs selection of switching-on and switching-off of the hydrogen production units, thus improving the operation efficiency of the hydrogen production system.
Resumen de: GB2642328A
An offshore hydrogen production system comprising: a hydrogen production facility (10) comprising a renewable power generator (70) and at least one electrolyser (16). The capacity of the at least one electrolyser (16) corresponds to a power output of the power generator (70). The hydrogen production facility (10) is configured to be supplied with utilities for the production of hydrogen from a utilities system (11) which is located remote from the offshore hydrogen production facility (10). Also claimed is a method of producing hydrogen, a method of designing an offshore hydrogen production system, and method for the production of an offshore hydrogen production system. Also claimed is a utilities pipeline comprising a plurality of utilities fluid pipelines including at least one water supply and one hydrogen gas supply, at least one power supply cable or instrument control cable and wherein one of the water supply pipeline or hydrogen supply pipeline is positioned centrally about a longitudinal axis of the umbilical.
Resumen de: EP4674988A1
The present invention relates to a method of producing green steel by reduction of iron oxides using hydrogen. The inventive method makes use of mining waste as starting material for H<sub>2</sub> generation by SDE process or a sulfur-iodine-process. Side products can be utilized in the steelmaking process.This is achieved by a method according to the present invention comprising the following steps:a) a part or all of the iron oxide used as raw material for steelmaking is reduced by hydrogen,b) a part or all hydrogen required for the reduction of iron oxide is generated via a SO<sub>2</sub>-depolarized electrolyzer (SDE) process or a sulfur-iodine-process, andc) diluted sulfuric acid obtained from step b) is used for at least one ofi. steel pickling,ii. reaction with steel mill dust for generation of iron sulfate (FeSO<sub>4</sub> or Fe<sub>2</sub>(SO<sub>4</sub>)<sub>3</sub>),iii. production of MgSO<sub>4</sub> or (NH<sub>4</sub>)<sub>2</sub>SO<sub>4</sub>, andiv. production of concentrated sulfuric acid.
Resumen de: WO2024262440A1
This electrode 1 for water electrolysis comprises a conductive base material 10 and a layered double hydroxide layer 20. The layered double hydroxide layer 20 is provided on the surface of the conductive base material 10. The layered double hydroxide layer 20 contains Ni. In the diffraction pattern of the layered double hydroxide layer 20 obtained by a small angle incidence X-ray diffraction measurement, the diffraction peak height P012 of the 012 plane is higher than the diffraction peak height P003 of the 003 plane.
Resumen de: CN120476486A
A solid oxide cell stack has a combined flow distributor and contact enabler made of a pressed metal foil with diversion structures and contact regions between interconnect layers and cell layers in the stack.
Resumen de: CN120476486A
A solid oxide cell stack has a combined flow distributor and contact enabler made of a pressed metal foil with diversion structures and contact regions between interconnect layers and cell layers in the stack.
Resumen de: MY201158A
In a method for generating ammonia synthesis gas by electrolysis, comprising feeding a mixture of steam and com- pressed air into the first of a series of electrolysis units and passing the outlet from one electrolysis unit to the inlet of the next electrolysis unit together with air, the electrolysis units are run in endothermal mode and the nitrogen part of the synthesis gas is provided by burning the hydrogen produced by steam electrolysis by air in or between the electrolysis units. The electrolysis units are preferably solid oxide electrolysis cell (SOEC) stacks.
Resumen de: US2021130967A1
The invention provides a diaphragm for alkaline water electrolysis with reduced dissolution of an inorganic component in an alkali solution at low cost. The present invention relates to a diaphragm for alkaline water electrolysis, including magnesium hydroxide and an organic polymer resin.
Resumen de: WO2026003852A1
The present invention relates to a cost effective, efficient, ecofriendly system for producing hydrogen by the electrolysis of mineral water in the presence of a magnetic field using an assembly of vertical stainless steel supported graphite electrodes such that the magnetic field is perpendicular to the assembly of electrodes The system comprises of three interconnected units, namely the magnetic electrolyser fitted with a plurality of neodymium magnets, a pneumatically operated pump and a pressure swing absorption unit.
Resumen de: WO2026002653A1
A method for revamping a methanol plant where make-up gas is produced from reforming of natural gas, the method including the provision of a CO2 capture section processing a stream of combustion fumes produced in a fired equipment of the methanol plant, and the provision of a line arranged to add at least part of the captured CO2 to the make-up gas for the production of methanol; the provision of an additional hydrogen source arranged to add hydrogen to the make-up gas; the provision of a once-through reaction section before the existing methanol synthesis loop and a related bypass line; a process for production of methanol is also disclosed, wherein a portion of make-up gas is reacted in a once-through methanol converter and unreacted make-up gas separated from the effluent of said first converter is subsequently reacted in a methanol synthesis loop (12).
Resumen de: WO2026002679A1
The invention describes a method in which the steps of pretreatment, gasification, Fischer-Tropsch synthesis, water electrolysis and conversion of carbon dioxide to hydrogen (RWGS reaction) are combined to optimal effect, making it possible to achieve improved production yields and better energy and economic performance (energy efficiency, production cost) while complying with environmental constraints, such as greenhouse gas emissions, to which increasingly lower thresholds apply.
Resumen de: WO2026002680A1
The invention describes a method for treating a feedstock comprising at least one carbonaceous plastic fraction, in which method the steps of pretreatment, gasification, Fischer-Tropsch synthesis, water electrolysis and conversion of carbon dioxide to hydrogen (RWGS reaction) are combined to optimal effect, making it possible to achieve improved production yields and better energy and economic performance (energy efficiency, production cost, etc.) while complying with environmental constraints, such as greenhouse gas emissions, to which increasingly lower thresholds apply.
Resumen de: WO2026003147A1
A separator for water electrolysis comprising a cathode facing side (101) and an anode facing side (201), characterized in that the cathode- and anode facing sides are visually distinct.
Resumen de: WO2026003195A1
A chemical plant is provided, in which an electrolysis section is arranged to receive at least a portion of a first steam feed and electrolyze it to provide a hydrogen stream and an oxygen- enriched stream. A first heat exchanger is arranged to receive at least a portion of the oxygen-enriched stream and a combustion air stream to transfer heat from the oxygen- enriched stream to the combustion air stream. The heated combustion air stream and at least a portion of an off-gas stream are arranged to be combusted in at least one burner so as to provide a combusted gas stream. A second heat exchanger is arranged to receive at least a portion of said combusted gas stream and said water stream. The second heat exchanger is arranged to transfer heat from the at least a portion of the combusted gas stream to the water stream so as to provide a cooled combusted gas stream and a steam stream. A process for production of a steam stream using a combustible off-gas stream in the chemical plant is also provided.
Resumen de: WO2026003347A1
The invention relates to a method and a system (1) for determining an operating point, in particular a hydrogen flow into an ammonia synthesis unit (40), of a system (1) for synthesizing ammonia, having a power supply (10) for providing hydrogen, said power supply comprising at least one renewable power source (11, 12, 13), wherein the determining process involves the process of determining a hydrogen flow supplied to or discharged from a hydrogen store (33) of the system (1). The invention further relates to a control program, to a computer-readable medium, and to the use of the method according to the invention, the system (1) according to the invention, or the control program according to the invention in order to produce ammonia and/or urea.
Resumen de: WO2026003300A1
Initially an assembled electrolyser cell stack comprising at least alternatingly, � electrodes and bipolar plate assemblies and � diaphragms is provided. Stack internal process and flow volumes, namely catholyte flow volume and process chambers and anolyte flow volume and process chambers adjacent to and on each side of every diaphragm are simultaneously partially or completely flooded through each of stack internal catholyte manifold and stack internal anolyte manifold with a liquid alkaline conservation medium and O2 side electrolyte inlet connection, H2 side electrolyte inlet connection, anolyte and oxygen gas exit connection and catholyte and hydrogen gas exit connection are each sealed off adjacent to an electrolyser endplate after partially or completely flooding the mentioned stack internal volumes with the fluid conservation medium.
Nº publicación: CN121263555A 02/01/2026
Solicitante:
德诺拉工业有限公司
Resumen de: AU2024263112A1
The present invention relates to an electrode and in particular to an electrode suitable for gas evolution comprising a metal substrate and a catalytic coating. Such electrode can be used as an anode for the development of oxygen in electrolytic processes such as, for example, in the alkaline electrolysis of water.
BOPI
Sede Electrónica
