Resumen de: US2025145554A1
The present invention proposes a process for producing synthesis gas, in particular synthesis gas for methanol synthesis. The process includes the steps of providing a sulfur-containing hydrocarbon stream; providing an electrolytically produced hydrogen stream; supplying a portion of the electrolytically produced hydrogen stream to at least a portion of the sulfur-containing hydrocarbon stream to obtain a hydrogen-enriched sulfur-containing hydrocarbon stream; desulfurizing the stream obtained according to step (c) in a hydrodesulfurization unit (HDS unit) to obtain a sulfur-free hydrocarbon stream; supplying a portion of the electrolytically produced hydrogen stream to at least a portion of the stream obtained according to step (d) to obtain a hydrogen-enriched sulfur-free hydrocarbon stream and converting at least a portion of the stream obtained according to step (e) into a synthesis gas stream in the presence of oxygen as oxidant in a reforming step.
Resumen de: US2025146147A1
Herein discussed is a method of producing carbon monoxide or hydrogen or both simultaneously comprising: (a) providing an electrochemical reactor having an anode, a cathode, and a mixed-conducting membrane between the anode and the cathode; (b) introducing a first stream to the anode, wherein the first stream comprises a hydrocarbon; and (c) introducing a second stream to the cathode, wherein the second stream comprises carbon dioxide or water or both, wherein carbon monoxide is generated from carbon dioxide electrochemically and hydrogen is generated from water electrochemically.
Resumen de: US2025145498A1
A system is provided in at least one embodiment to process water to produce gas that can be separated into at least two gas flows using a water treatment system having a disk-pack rotating in it to cause out gassing from the water. In a further embodiment, the system use the gas released from the water to produce substantially fresh water from the processed salt water.
Resumen de: US2025145504A1
The present invention relates to processes for electrolysis of water to generate hydrogen by means of osmotic membrane distillation plants, and to osmotic membrane distillation plants designed and suitable for such processes.
Resumen de: US2025145547A1
A hydrocarbon production equipment includes: a first reaction device that receives a source gas and causes the source gas to react by using a catalyst to generate a first intermediate gas; a second reaction device that causes the first intermediate gas to react by using a catalyst to generate a second intermediate gas; a heat supplier that can supply heat for heating the catalyst to a reactor and can supply heat for heating the catalyst to the reactor; and a controller that controls an operation of the heat supplier. The controller selectively outputs a first control signal for supplying heat to each of the first reaction device and the second reaction device and a second control signal for supplying heat to only one of the first reaction device and the second reaction device to the heat supplier. The controller selects any one of the first control signal and the second control signal based on the amount of hydrogen included in the source gas.
Resumen de: US2025149600A1
A mixed metal oxide catalyst, particularly Pt and Ru containing oxide catalysts, based catalysts for polymer electrolyte membrane (PEM) fuel cells, water electrolysis, regenerative fuel cells (RFC) or oxygen generating electrodes in various electrolysis applications.
Resumen de: US2025149602A1
A SOC stack system comprises one or more solid oxide cell stacks and multi-stream solid oxide cell stack heat exchanger(s).
Resumen de: US2025149608A1
A method and system of generating electrical power or hydrogen from thermal energy is disclosed. The method includes adding heat to (or removing heat from) a salinity gradient generator configured to generate a more concentrated and a less concentrated saline solution. The method further includes drawing the more concentrated saline solution and the less concentrated saline solution from the salinity gradient generator and feeding the more concentrated saline solution and the less concentrated saline solution into a power generator. Feeding the saline solutions into the power generator causes the power generator to receive the saline solutions and generate power by performing a controlled mixing of the more concentrated saline solution and the less concentrated saline solution. The method further includes drawing, from the power generator, a combined saline solution comprising the mixed saline solutions and feeding the combined saline solution to the salinity gradient generator.
Resumen de: US2025145505A1
There is provided a producing device that can easily individually obtain acidic electrolyzed water, alkaline electrolyzed water, and mixed water while saving a space. A producing device includes: an electrolytic bath configured to produce acidic electrolyzed water and alkaline electrolyzed water; an adjuster configured to adjust discharge and merging of the acidic electrolyzed water and the alkaline electrolyzed water produced in the electrolytic bath; a flow rate adjuster configured to adjust flow rates of the acidic electrolyzed water and the alkaline electrolyzed water merged by the adjuster; and discharge portions capable of separately discharging the acidic electrolyzed water, the alkaline electrolyzed water, and the mixed water produced by merging the acidic electrolyzed water and the alkaline electrolyzed water.
Resumen de: AU2024227242A1
Abstract To provide a technique allowing reduction in the amount of usage of a catalyst material while alleviating performance degradation of a gas diffusion layer. A cell as an 5 electrode structure comprises an electrolyte membrane (41), a gas diffusion layer (43), and a catalyst layer (45). The gas diffusion layer (43) is positioned on one side of the electrolyte membrane (41). The gas diffusion layer (43) is a porous layer. Thecatalyst layer (45) is positioned between the electrolyte membrane (41) and the gas diffusion layer (43). The catalyst layer (45) is formed from a catalyst material. A penetration part 10 (433) formed in the gas diffusion layer (43) by the penetration the catalyst material having a thickness of 1 m or less.
Resumen de: AU2023373022A1
This determination method determines whether or not an object molecule containing elemental hydrogen is an electrolyzed hydrogen-containing molecule which contains a hydrogen molecule that is produced by water electrolysis or a molecule that is produced using a hydrogen molecule as a starting material. This determination method determines that the object molecule is an electrolyzed hydrogen-containing molecule if the deuterium abundance ratio relative to light hydrogen in the object molecule is equal to or lower than a predetermined threshold value that is lower than the deuterium abundance ratio relative to light hydrogen in nature.
Resumen de: US2025145457A1
A method for ammonia (NH3) decomposition to hydrogen (H2) and nitrogen (N2) includes introducing and passing a H2-containing feed gas stream into a reactor containing an industrial waste-based nickel (Ni-SMR) catalyst at a temperature of 500 to 900° C. to form a reduced Ni-SMR catalyst; introducing and passing an NH3-containing feed gas stream through the reactor in contact with the reduced Ni-SMR catalyst at a temperature of 100 to 1000° C. thereby converting at least a portion of the NH3 to H2 and regenerating the Ni-SMR catalyst particles to form a regenerated Ni-SMR catalyst, and producing a residue gas stream leaving the reactor; and separating the H2 from the residue gas stream to generate a H2-containing product gas stream.
Resumen de: US2025144610A1
An apparatus and process for the activation of catalyst material utilized in ammonia cracking can include an initial use of hydrogen and heat to perform an initial stage of catalyst activation and a subsequent use of ammonia and heat to perform a subsequent state of catalyst activation. The subsequent use of ammonia can be configured so that different catalytic material at different plant elements are activated in a pre-selected sequence to provide activation of the catalytic material utilized in different plant elements. Some embodiments can be configured to avoid excess temperatures that can be detrimental to equipment that can be positioned upstream of a furnace in some embodiments while also avoiding sintering of the catalytic material.
Resumen de: WO2025091059A1
The invention relates to a cooling system for an electrolysis device for producing hydrogen, wherein the electrolysis device has at least one electrolysis stack (1) and at least one installation component, wherein the cooling system has at least two coolant circuits (2, 2') which are separate from one another, wherein a first coolant circuit (2) is designed only for cooling the electrolysis stack (1) of the electrolysis device, and a second coolant circuit (2') is provided only for cooling the installation component of the electrolysis device, and wherein the temperature of the coolant in the first coolant circuit (2) differs from the temperature of the coolant in the second coolant circuit (2').
Resumen de: EP4549630A1
The embodiments of the present disclosure disclose an electrolytic cell operation temperature control method and system based on heat balance. The method comprises: acquiring an actual cell front temperature of an electrolytic cell that is collected by a temperature collection device; if the actual cell front temperature deviates from a preset cell front temperature, controlling a refrigerant flow controller to control an inlet temperature of an electrolyte, wherein the preset cell front temperature is determined based on a preset cell end temperature, a correction coefficient, net heat power of the electrolytic cell, a volume flowrate of the electrolyte, a density of the electrolyte and a specific heat capacity of the electrolyte; within a current iteration period, determining an opening degree of the refrigerant flow controller based on the actual cell front temperature and the preset cell front temperature; and at the beginning of a subsequent iteration period, determining a set cell front temperature after iteration based on the preset cell end temperature, the correction coefficient, size information of the electrolytic cell, an actually measured voltage, an actually measured current, an actually measured surface temperature of the electrolytic cell, an actually measured ambient temperature, the volume flowrate of the electrolyte, the density of the electrolyte and the specific heat capacity of the electrolyte.
Resumen de: WO2025089500A1
The present invention relates to a catalytic activity promoter to be dissolved in an alkaline electrolyte solution of a water electrolysis apparatus so as to promote the catalytic activity of an oxygen-generating electrode. The catalytic activity promoter comprises 2,2,6,6-tetramethylpiperidine-1-oxyl, which is oxidized in a dissolved state in the oxygen evolution reaction of the water electrolysis apparatus, and then meets an oxygen evolution reaction intermediate so as to be spontaneously reduced, and oxidizes the oxygen evolution reaction intermediate.
Resumen de: EP4549617A1
A process for the preparation of a saturated or ethylenically unsaturated aliphatic or cycloaliphatic compound comprising the following steps:(a) providing hydrogen with a molar share of deuterium ≤ 100 ppm, based on the total hydrogen content, by electrolysis of water using electrical power generated at least in part from non-fossil energy,(b) at least partially hydrogenating an ethylenically unsaturated compound to form the corresponding saturated compound, or at least partially hydrogenating an acetylenically unsaturated compound to form the corresponding saturated or ethylenically unsaturated compound
Resumen de: EP4549618A1
A process for the preparation of amines comprising the following steps:(a) providing hydrogen with a molar share of deuterium ≤ 100 ppm, preferably in the range of from 10 to 95 ppm, more preferably in the range of from 15 to 90 ppm, most preferably in the range of from 20 to 80 ppm, especially in the range of from 30 to 75 ppm, based on the total hydrogen content, by electrolysis of water using electrical power generated at least in part from non-fossil energy,(b) reacting the hydrogen from step (a) with nitrogen to form ammonia,(c) reacting the ammonia from step (b) with a nitrile compound or hydrogen cyanide (I) R-CN (I)in the presence of hydrogen from step (a) to form the corresponding amine (II) RCH2-NH2 (II).
Resumen de: EP4549616A1
A process for the preparation of amines comprising the following steps:(a) providing hydrogen with a molar share of deuterium ≤ 100 ppm, based on the total hydrogen content, by electrolysis of water using electrical power generated at least in part from non-fossil energy,(b) reacting the hydrogen from step (a) with nitrogen to form ammonia,(c) reacting the ammonia from step (b) with a carbonyl compound (I) R1R2C=O (I)in the presence of hydrogen from step (a) to form the corresponding amine (II) R1R2HC-NH2 (II).
Resumen de: EP4549621A1
A process for the preparation of amines comprising the following steps:(a) providing hydrogen with a molar share of deuterium ≤ 100 ppm, based on the total hydrogen content, by electrolysis of water using electrical power generated at least in part from non-fossil energy,(b) reacting the hydrogen from step (a) with nitrogen to form ammonia,(c) reacting the ammonia from step (b) with an alcohol R-OH in the presence of hydrogen from step (a) to form the corresponding primary, secondary and/or tertiary amines R-NH2, R2NH and/or R3N.
Resumen de: EP4549619A1
A process for the preparation of an amine compound comprising the following steps:(a) providing hydrogen with a molar share of deuterium ≤ 100 ppm, based on the total hydrogen content, by electrolysis of water using electrical power generated at least in part from non-fossil energy,(b) at least partially hydrogenating a nitro compound to form the corresponding amine compound.
Resumen de: EP4549433A1
A process for the preparation of a hydrogenation product of a carbohydrate or furfural comprising the following steps:(a) providing hydrogen with a molar share of deuterium ≤ 100 ppm, based on the total hydrogen content, by electrolysis of water using electrical power generated at least in part from non-fossil energy,(b) at least partially hydrogenating a carbohydrate or furfural to form the corresponding hydrogenation product of the carbohydrate or furfural.
Resumen de: EP4549620A1
A process for the preparation of amines comprising the following steps:(a) providing hydrogen with a molar share of deuterium ≤ 100 ppm, preferably in the range of from 10 to 95 ppm, more preferably in the range of from 15 to 90 ppm, most preferably in the range of from 20 to 80 ppm, especially in the range of from 30 to 75 ppm, based on the total hydrogen content, by electrolysis of water using electrical power generated at least in part from non-fossil energy,(b) reacting the hydrogen from step (a) with a nitrile compound or hydrogen cyanide (I) R-CN (I)to form the corresponding primary amine (II), secondary amine (III) and/or tertiary amine IV) RCH2-NH2 (II), (RCH2)2NH (III) (RCH2)3N (IV)or mixture thereof.
Resumen de: EP4549419A1
A process for the preparation of a cycloaliphatic or heterocycloaliphatic compound containing at least one aromatic or heteroaromatic ring comprising the following steps:(a) providing hydrogen with a molar share of deuterium ≤ 100 ppm, based on the total hydrogen content, by electrolysis of water using electrical power generated at least in part from non-fossil energy,(b) hydrogenating an aromatic or heteroaromatic compound using the hydrogen provided in step (a) to form the corresponding cycloaliphatic or heterocycloaliphatic compound wherein the at least one aromatic or heteroaromatic ring is partially or fully hydrogenated.
Nº publicación: EP4549622A1 07/05/2025
Solicitante:
BASF SE [DE]
BASF SE
Resumen de: EP4549622A1
A process for the hydrogenation of carbonyl compounds consisting of the following steps:(a) providing hydrogen with a molar share of deuterium ≤ 100 ppm, based on the total hydrogen content, by electrolysis of water using electrical power generated at least in part from non-fossil energy,(b) hydrogenating a carbonyl compound using the hydrogen provided in step (a) to form the corresponding hydrogenation product, wherein at least one carbonyl group of the carbonyl compound is hydrogenated.