C01B2203/0822

Process for producing a synthesis gas
11554954 · 2023-01-17 · ·

Process for manufacturing a hydrogen-containing synthesis gas from a natural gas feedstock, comprising the conversion of said natural gas into a raw product gas and purification of said product gas, the process having a heat input provided by combustion of a fuel; said process comprises a step of conversion of a carbonaceous feedstock, and at least a portion of said fuel is a gaseous fuel obtained by said step of conversion of said carbonaceous feedstock, and the Wobbe Index of said fuel is increased by a step of carbon dioxide removal or methanation.

System and method for liquid fuel production from carbonaceous materials using recycled conditioned syngas

A method of producing liquid fuel and/or chemicals from a carbonaceous material entails combusting a conditioned syngas in pulse combustion heat exchangers of a steam reformer to help convert carbonaceous material into first reactor product gas which includes carbon monoxide, hydrogen, carbon dioxide and other gases. A portion of the first reactor product gas is transferred to a hydrogen reformer into which additional conditioned syngas is added and a reaction carried out to produce an improved syngas. The improved syngas is then subject to one or more gas clean-up steps to form a new conditioned syngas. A portion of the new conditioned syngas is recycled to be used as the conditioned syngas in the pulse combustion heat exchangers and in the hydrocarbon reformer. A system for carrying out the method include, a steam reformer, a hydrocarbon reformer, first and second gas-cleanup systems, a synthesis system and an upgrading system.

Hybrid dehydrogenation reaction system

A hybrid dehydrogenation reaction system includes: an acid aqueous solution tank having an acid aqueous solution; an exothermic dehydrogenation reactor including a chemical hydride of a solid state and receiving the acid aqueous solution from the acid aqueous solution tank for an exothermic dehydrogenation reaction of the chemical hydride and the acid aqueous solution to generate hydrogen; an LOHC tank including a liquid organic hydrogen carrier (LOHC); and an endothermic dehydrogenation reactor receiving the liquid organic hydrogen carrier from the LOHC tank and generating hydrogen through an endothermic dehydrogenation reaction of the liquid organic hydrogen carrier by using heat generated from the exothermic dehydrogenation reactor.

PROCESS FOR THE THERMAL DECOMPOSITION OF AMMONIA AND REACTOR FOR CARRYING OUT THE PROCESS

The invention relates to a process for the thermal decomposition of ammonia. The process comprises passing ammonia through a conduit which contains an ammonia decomposition catalyst in a part thereof. At least a section of the part of the conduit which contains the catalyst is immersed in molten lead as heat transfer medium, which is at a temperature at which the catalyst is capable of catalyzing the decomposition of ammonia into hydrogen and nitrogen. A reactor for carrying out this process is also disclosed.

Process for producing a hydrogen-containing synthesis gas
11565937 · 2023-01-31 · ·

Process including the production of a hydrogen-containing synthesis gas by conversion of a hydrocarbon feedstock, wherein said process has a heat input provided by combustion of a plurality of process fuel streams and said plurality of process fuel streams comprises at least one fuel stream of ammonia. Combustion of said at least one fuel stream of ammonia is performed non-catalytically in at least one fired equipment.

Hydrogen generation assemblies and hydrogen purification devices
11701624 · 2023-07-18 · ·

Hydrogen generation assemblies, hydrogen purification devices, and their components, and methods of manufacturing those assemblies, devices, and components are disclosed. In some embodiments, the devices may include an insulation base having insulating material and at least one passage that extends through the insulating material. In some embodiments, the at least one passage may be in fluid communication with a combustion region.

HYDROGEN STORAGE DEVICE
20230212005 · 2023-07-06 ·

A hydrogen storage device 200 comprises: a first vessel 230, having a first fluid inlet 210 and/or a first fluid outlet 220, having therein a thermally conducting network 240 thermally coupled to a first heater (not shown); wherein the first vessel 230 is arranged to receive therein a hydrogen storage material in thermal contact, at least in part, with the thermally conducting network 240; wherein the thermally conducting network 240 has a lattice geometry, a gyroidal geometry and/or a fractal geometry in two and/or three dimensions, comprising a plurality of nodes, having thermally conducting arms therebetween, with voids between the arms; and wherein the hydrogen storage material comprises and/or is a liquid organic hydrogen carrier, LOHC.

METHOD FOR PYROLYTIC DECOMPOSITION OF GASEOUS HYDROCARBONS AND APPARATUS FOR PERFORMING THE SAME
20220396479 · 2022-12-15 ·

The invention relates to the chemical industry and can be used for processing methane and other volatile, liquid, solid fusible hydrocarbons when producing hydrogen, soot, and other flammable gases. The invention relates to a method for the pyrolytic decomposition of hydrocarbons, in which a pyrolysis reactor arranged in a space bounded by a lining is heated by flue gases generated by combusting a hydrogen-enriched mixture of air and gaseous hydrocarbons, while ensuring a maximum decrease in CO.sub.2 emissions into the atmosphere. The invention also relates to a unit for the pyrolytic decomposition of hydrocarbons. The technical result is a high degree of separation of hydrogen and carbon by fast high-temperature pyrolysis at atmospheric pressure without oxygen supply and without CO.sub.2 production.

HYDROGEN GENERATION ASSEMBLIES
20220396480 · 2022-12-15 · ·

Hydrogen generation assemblies and methods are disclosed. In one embodiment, the method includes receiving a feed stream in a fuel processing assembly, and heating, via one or more burners, a hydrogen generating region of the fuel processing assembly to at least a minimum hydrogen-producing temperature. The method additionally includes generating an output stream in the heated hydrogen generating region of the fuel processing assembly from the received feed stream, and generating a product hydrogen stream and a byproduct stream in a purification region of the fuel processing assembly from the output stream. The method further includes separating at least a portion of the carbon dioxide gas from the byproduct stream to generate a fuel stream having a carbon dioxide concentration less than the byproduct stream, and feeding the fuel stream to the one or more burners.

SYSTEMS AND METHODS FOR PROCESSING AMMONIA

The present disclosure provides systems and methods for processing ammonia. The system may comprise one or more reactor modules configured to generate hydrogen from a source material comprising ammonia. The hydrogen generated by the one or more reactor modules may be used to provide additional heating of the reactor modules (e.g., via combustion of the hydrogen), or may be provided to one or more fuel cells for the generation of electrical energy.