812results about "Hydrogen separation" patented technology

A method for thermal treatment and chemical transformation of waste comprising carbonaceous materials for generation of a fuel gas or methanol, and for processing solid particles using a cyclonic particle separator, comprising adjusting the humidity of the materials, introduction into thermolysis reactor(s), introduction into a conversion unit, causing gasification of solid carbonaceous material, introducing the solid rest into char handling unit for further treatment in a cyclonic particle separator.

The invention relates to the field of gas-water separation, in particular to a gas-water separation device which comprises a separation device body, a gas-water input pipe is arranged at the bottom of the side end of the body, a horizontal cavity is formed in the body, a plurality of dehumidification air cushions arranged side by side are arranged in the horizontal cavity, and horizontal filtering baffles are fixedly installed at the lower ends of the dehumidification air cushions. The gas-water separator combines a baffle type and a centrifugal type for gas-water separation, so that the separation efficiency is greatly improved. And through cooperative control of the humidity sensor and the temperature sensor, accurate gas-water separation management is realized. The humidity control part ensures that gas enters a proper separation area by switching baffle plate paths, and the temperature control part heats through an electrothermal film and cools through a heat dissipation copper sheet, so that the gas-water separator always operates in an optimal temperature interval. In combination with a lag control mechanism, the system can effectively avoid frequent switching caused by environmental humidity fluctuation, reduce energy consumption, prolong the service life of equipment, and ensure long-term stable operation of the fuel cell system.

Disclosed herein are systems and methods of gas sequestration of carbon dioxide from a fossil-fueled hydrogen production plant. The method includes producing at least hydrogen and carbon dioxide above ground from a fossil-fueled hydrogen production plant, injecting at least a portion of the hydrogen and carbon dioxide produced from the fossil-fueled hydrogen production plant into a geological hydrogen storage unit and a geological carbon dioxide storage unit, respectively, wherein the portion of the carbon dioxide is injected concurrently with the portion of the hydrogen. The injection of the portion of carbon dioxide and hydrogen underground are performed through carbon dioxide injection well(s) and hydrogen injection well(s), respectively, wherein a hydrogen injection wellhead(s) and a carbon dioxide injection wellhead(s) are located on a multi-well pad proximate the fossil-fueled hydrogen production plant.

The invention discloses a hydrogen purification pressure optimization system and a control strategy for hydrogen production through electrolysis of water, and relates to the technical field of hydrogen production through electrolysis of water, and the hydrogen purification system comprises a hydrogen purification unit which comprises a plurality of adsorption towers arranged in parallel and is used for adsorbing and removing impurities in hydrogen; the pressure optimization system comprises a pressure sensor, a pressure regulating valve and a controller, the pressure sensor is used for monitoring the pressure in the adsorption tower in real time, the pressure regulating valve regulates the pressure according to an instruction of the controller, and the controller is used for regulating the pressure according to the adsorption characteristics of the adsorbent and the requirements of the hydrogen purification process. Setting pressure control parameters to adjust the pressure in the adsorption tower in real time; and the control unit is used for performing coordinated management on the temperature and the flow of the pressure optimization system, and forming closed-loop feedback regulation of parameters by comparing the actual purity of the purified hydrogen with a preset purity standard. The hydrogen purity is improved, the adsorbent works under the optimal pressure by optimizing the pressure control strategy, the hydrogen purity is effectively improved, and the energy consumption is reduced.

A method for Carbon Dioxide (CO2) production comprising producing super-heated steam, utilizing a small modular nuclear reactor power plant system, receiving Sodium Formate (HCOONa) into a first reaction chamber, the first reaction chamber receiving a first portion of the super-heated steam at a first temperature, decomposing the Sodium Formate (HCOONa) into Sodium Oxalate ((COO)2Na2) and Hydrogen (H2), receiving the Sodium Oxalate ((COO)2Na2) into a second reaction chamber, the second reaction chamber receiving a second portion of the super-heated steam at a second temperature, decomposing the Sodium Oxalate ((COO)2Na2) into Sodium Oxide (Na2O), Carbon Monoxide (CO), and Carbon Dioxide (CO2).

The invention provides a biomass and coal complementary gasification decarburization and hydrogen production method and system.The method comprises the steps that biomass is dried to generate dry biomass, one part of the dry biomass enters a combustor, the other part of the dry biomass and pretreated coal form pyrolysis fuel, and the pyrolysis fuel enters a pyrolysis furnace; the dry biomass and the hot air are combusted in the combustor to generate heat and first flue gas; the heat and the first flue gas are adopted to supply heat to a gasification furnace, coke from a pyrolyzing furnace is gasified, and synthesis gas is generated; second flue gas is discharged after the first flue gas supplies heat to the gasification furnace, the second flue gas supplies heat to the pyrolysis furnace, pyrolysis fuel is pyrolyzed, coke is generated, pyrolysis gas is fed back to the gasification furnace, and the coke is fed back to the pyrolysis furnace; the synthesis gas and the pyrolysis gas form a first mixed gas, tar is removed through tar separation, and a pure mixed gas is generated; and after the pure mixed gas is subjected to water vapor shift reaction and carbon capture, hydrogen with relatively high purity is obtained. According to the invention, carbon-hydrogen component complementation of coal and biomass is realized, the yield of gaseous products is increased, and the overall carbon emission is effectively reduced.

A system for hydrogen recovery includes a dryer having an inlet that may be fluidly connected to a hydrogen outlet of a hydrogen generator, a hydrogen using device having an inlet fluidly connected to a dry hydrogen outlet of the dryer, and one or more conduits fluidly connecting a wet hydrogen outlet from the dryer and an impure hydrogen exhaust outlet of the hydrogen using device to the inlet of the dryer.

A system for hydrogen recovery includes a dryer having an inlet that may be fluidly connected to a hydrogen outlet of a hydrogen generator, a hydrogen using device having an inlet fluidly connected to a dry hydrogen outlet of the dryer, and one or more conduits fluidly connecting a wet hydrogen outlet from the dryer and an impure hydrogen exhaust outlet of the hydrogen using device to the inlet of the dryer.

The utility model discloses hydrogen purification equipment and an ammonia production system, and relates to the technical field of hydrogen purification, and the hydrogen purification equipment comprises an air separation device, a hydrogen production device, a heat exchange part and a filtering part; the air separation device is provided with a refrigerant discharge pipe; the hydrogen production device is provided with a hydrogen discharge pipe; the heat exchange part is provided with a refrigerant inlet end, a hydrogen inlet end and a hydrogen outlet end, the refrigerant discharge pipe is communicated with the refrigerant inlet end, the hydrogen discharge pipe is communicated with the hydrogen inlet end, and a refrigerant discharged by the refrigerant discharge pipe and hydrogen discharged by the hydrogen discharge pipe can be subjected to heat exchange; the filter is provided with an inlet end and an outlet end which are mutually communicated; the inlet end is communicated with the hydrogen outlet end; according to the technical scheme, the utilization rate of hydrogen is increased.

The utility model relates to the field of waste gas purifiers, in particular to a waste gas purification device for hydrogen-oil-gas separation, which comprises a rectangular bottom plate, an oil-gas separation box is arranged on the bottom plate, a hydrogen purification tank is fixedly connected onto the bottom plate, and a filter box is fixedly connected onto the bottom plate. When the oil-gas separation device is used, oil can be separated through the oil-gas separation box, heavy oil flows out from the lower part of the oil-gas separation box through the oil outlet pipe, the first electromagnetic valve controls the oil to flow in the oil outlet pipe, and light waste gas enters the hydrogen purification tank from the first gas outlet pipe after being preliminarily filtered by the first filter screen; the palladium alloy separation pipe in the hydrogen purification tank is used for separating hydrogen in the waste gas, and the filter box is used for further filtering the waste gas after hydrogen purification, so that the filter effect is better, air pollution is avoided, and the hydrogen in the waste gas can be recycled.

A method of producing formaldehyde, the method comprising: generating electrolytic hydrogen from the electrolysis of water; providing a feedstock gas stream comprising the electrolytic hydrogen and one or both of carbon monoxide and carbon dioxide; converting at least a portion of the feedstock gas to methanol; converting at least a portion of the methanol to formaldehyde and hydrogen; separately recovering at least some of the formaldehyde and at least some of the hydrogen; and recycling at least some of the recovered hydrogen to the feedstock gas stream.

Semiconductor devices, packaging architectures and associated methods are disclosed. In one embodiment, a memory chiplet is disclosed. The memory chiplet includes a D2D interface of a first type for coupling to a host IC chip via multiple lanes. The D2D interface includes multiple unit interface modules, each of the multiple unit interface modules corresponding to a first set of signal path resources of a lowest granularity provided by the multiple lanes. A memory port includes a memory physical interface of a first memory type for accessing memory storage of the first memory type. The memory physical interface of the first memory type includes a second set of signal path resources corresponding to multiple memory channels of the first memory type. Mapping circuitry maps the second set of signal path resources to the first set of signal path resources in a manner that utilizes all of the first signal path resources for an integer number of the multiple unit interface modules.

The invention discloses a semi-coke tail gas chemical looping hydrogen production system which is characterized in that a first gas inlet chamber and a second gas inlet chamber are arranged in the hydrogen production system, and a reaction tube comprises a first reaction chamber and a second reaction chamber; the gas inlet of the first reaction chamber is communicated with the gas inlet of the second reaction chamber; the air outlet of the first reaction chamber is communicated with the air outlet of the second reaction chamber, so that the first reaction chamber and the second reaction chamber can supply air independently, the air speed in the first air inlet chamber is higher than that in the second reaction chamber, internal airflow circulation is effectively formed in the internal circulating fluidized bed, the reaction process is more sufficient, and the reaction efficiency is improved. The device effectively improves the hydrogen production efficiency, is simple in structure, realizes the independent air supply process through the independent design of the two cavities of the gas inlet pipe and the reaction pipe, realizes the effective circular reaction of tail gas in the reaction pipe through the control of the air speed, and improves the conversion efficiency.

An integrated energy system comprising a power plant including at least one nuclear reactor and an electrical power generation system a syngas generation system operably coupled to the power plant, the syngas generation system comprising a first reaction chamber configured to receive Sodium Formate (HCOONa), and a second reaction chamber configured to receive Sodium Oxalate ((COO)2Na2), and a methanol generation system operably coupled to the syngas generation system.

According to the hydrogen-electricity conversion system based on the solid-state hydrogen storage material, in the system, a hydrogen release tank is a packaging unit for packaging the solid-state hydrogen storage material, a liquid-phase buffer tank contains water, the liquid-phase buffer tank is connected with the hydrogen release tank, and the solid-state hydrogen storage material is stored in the liquid-phase buffer tank. The water adding pump is connected with the liquid-phase buffer tank so as to inject water in the liquid-phase buffer tank into the hydrogen release tank to complete a hydrolysis reaction to generate hydrogen; the washing gas is connected with the hydrogen release tank so as to remove impurities from small solid particles and part of water vapor in the hydrogen; the hydrogen cooler is connected with the scrubber tank to cool the hydrogen; the water separator is connected with the hydrogen cooler so as to separate water vapor in the hydrogen; a fuel cell system is connected to the water separator to generate power based on the hydrogen. The system is stable in reaction and high in safety.

The utility model relates to the technical field of hydrogen production equipment, and provides a continuous controllable magnesium hydride hydrolysis hydrogen production device which comprises a tank body, the lower end of the tank body is provided with a material inlet; a supporting seat is mounted in the material inlet / outlet; a telescopic spring is arranged in the supporting seat; a gas outlet is formed in the top of the tank body; a water inlet is formed in the top of the tank body; a motor is arranged at the top of the tank body, and the output end of the motor is connected with a rotary cutter through a magnetic sealing piece; the magnetic sealing element is communicated with the water inlet; the rotary cutter is positioned at the top of the inner cavity of the tank body; the rotary tool comprises a circular rotary platform and a plurality of tool bits arranged on the circular rotary platform. And a water nozzle for spraying water is arranged on the tool bit. According to the utility model, the continuity of hydrolysis reaction can be enhanced, and the influence on the reaction due to the generation of an additional magnesium hydroxide adhesion layer is effectively prevented.

The invention relates to the technical field of methanol resource utilization, and discloses a system for preparing methanol based on SOEC-CH4 electrolysis, which is characterized in that a cathode subsystem main body reacts to generate water vapor and H2 mixed gas, the water vapor and H2 mixed gas are condensed and separated to obtain H2, and most of H2 is conveyed to an H2 storage buffer tank and stored; the anode subsystem for preparing CO2 comprises a CH4 tank, an anode subsystem main body and an electrolytic bath anode of an SOEC electrolytic bath which are communicated in sequence, and the anode subsystem main body reacts to generate water vapor, CH4 and CO2 mixed gas; the mixed gas of the water vapor, CH4 and CO2 is subjected to condensation and adsorption separation to obtain CO2, and most of CO2 is conveyed to a CO2 storage buffer tank to be stored; and the methanol preparation subsystem reacts to obtain methanol. According to the system for preparing methanol through electrolysis, methane is introduced to prepare carbon dioxide, the technical problems of high energy consumption and low comprehensive utilization rate of waste heat and wastewater are solved, and cost is greatly reduced to prepare methanol.

The utility model relates to a hydrogen purification system based on magnesium-based hydride, which comprises a buffer tank, a gas inlet of the buffer tank is connected with a discharge end of a hydrogen purification module through a first gas path header pipe, and a vacuum pump is mounted on the first gas path header pipe in a matched manner. An exhaust port of the buffer tank is connected with a feeding end of the hydrogen purification module through a second gas path header pipe, a metal hydrogen storage material is arranged in the hydrogen purification module, and a feeding port of the buffer tank is connected with an exhaust port of the feed gas storage device through a third gas path header pipe. By arranging the hydrogen purification module, hydrogen components in raw material gas can be absorbed based on magnesium hydride, and compared with some traditional physical and chemical purification schemes, the production cost is low; meanwhile, the number of hydrogen storage tanks in the hydrogen purification module can be reasonably set according to purification requirements, the use flexibility is good, the purity of obtained hydrogen is high, no other impurity gas is mixed in the purification process, and the working efficiency of the system is high.

A process and system for integrating a steam cracking unit with a blue hydrogen unit in which a methane-rich gas stream, a hydrogen-rich gas stream, or both from the steam cracking unit are fed to the blue hydrogen unit and a high purity hydrogen gas stream from the blue hydrogen unit is directed to the steam cracking unit.

Systems and methods for synthesizing ammonia include one or more electrochemical hydrogen pumps to recover excess hydrogen gas from the ammonia synthesis product stream. The systems and methods improve overall yield and efficiency of the ammonia production process by separating and purifying hydrogen gas that otherwise would be lost.

The utility model discloses an oxyhydrogen atomizing machine which comprises a water storage tank, an electrolytic bath, an oxygen water collector, a hydrogen water collector and two groups of gas path radiators, the water outlet end of the water storage tank is connected with the water inlet end of the electrolytic bath; the electrolyte enables water to be decomposed into oxygen and hydrogen under the action of direct current in the electrolytic bath; the oxygen output end of the electrolytic bath is connected with the water inlet end of the water storage tank through a group of gas path radiators, the oxygen output end of the water storage tank is connected with the oxygen water collector, and dried and cooled oxygen is obtained after separation by the oxygen water collector; the hydrogen output end of the electrolytic bath is connected with the hydrogen water collector through the other group of gas path radiators; and dry and cooled hydrogen is obtained after separation by the hydrogen water collector. The gas path radiator is additionally arranged at the gas output end of the electrolytic bath, gas electrolyzed by the electrolytic bath is pre-cooled and then separated through the water collector, finally, dry and pure hydrogen and oxygen are obtained, and influences on subsequent gas purity, the service life of equipment and safety are effectively avoided.

The invention relates to the technical field of hydrogen dryers, in particular to a hydrogen dryer and a drying method. According to the hydrogen dryer, the condensation chamber and the drying chamber are arranged in the machine shell, the condensation assembly is installed in the condensation chamber, the drying assembly and the flow guide assembly are installed in the drying chamber, and the vibrator is installed on the flow guide assembly, so that the contact face of hydrogen and a drying agent can be enlarged, and the hydrogen is fully dried; it is ensured that the hydrogen is dry when exhausted from the exhaust pipe, and meanwhile the drying efficiency of the hydrogen can be improved; the drying agent can be circularly dried by arranging the heating assembly, so that the drying efficiency of the drying agent cannot be reduced due to the use frequency of the drying agent, the drying agent is convenient and rapid to replace, the time is saved, the production efficiency is improved, the machine shell ensures no air leakage in the air drying process, the product waste and dangerous accidents are avoided, and meanwhile, the explosion-proof junction box is arranged, so that the production cost is reduced. And the safety is ensured when the heating pipe works.

The utility model relates to the technical field of gas-liquid separation, and discloses a gas-liquid separation system of electrolytic bath test equipment, which comprises a first-stage gas-liquid separation tank, an injection port is fixedly connected to the outer wall of the first-stage gas-liquid separation tank, a second-stage gas-liquid separation tank is arranged on the outer wall of the first-stage gas-liquid separation tank, and the injection port is fixedly connected to the injection port. A gas exhaust port is formed in the top of the second-stage gas-liquid separation tank, a drain valve is arranged at the bottom of the second-stage gas-liquid separation tank, the drain valve is provided with a drainage assembly, and the drainage assembly is used for discharging liquid water in the second-stage gas-liquid separation tank. According to the gas-liquid separation system, liquid enters the drainage system through the steam trap after passing through the gas-liquid separation tank, gas upwards passes through the gas exhaust port, and generated hydrogen and oxygen are subjected to gas cooling and water separation treatment through the first-stage gas-liquid separation system and the second-stage gas-liquid separation system of the system, so that the problem that the water content of a gas source is relatively high is solved, and the flow measurement precision is improved.

The invention relates to the technical field of vehicles, in particular to a hybrid power system, a vehicle and a control method.The system comprises an ammonia engine and a fuel cell; the storage and conversion assembly is used for gasifying the stored liquid ammonia into first-path gaseous ammonia and second-path gaseous ammonia; the ammonia catalytic reforming device is used for catalytically reforming the second gaseous ammonia into a first path of hydrogen and a second path of hydrogen, the first path of gaseous ammonia and the first path of hydrogen are fed into an ammonia engine, and the ammonia engine utilizes mixed gas of the first path of gaseous ammonia and the first path of hydrogen for combustion; the hydrogen purification device is used for purifying the second path of hydrogen to obtain a third path of hydrogen, the third path of hydrogen is fed into the fuel cell, and the fuel cell utilizes the third path of hydrogen for combustion. Therefore, the problems that the ammonia engine and the hydrogen-oxygen fuel cell are difficult to be directly integrated together to be applied to the hybrid power system, the energy utilization efficiency is not high when the ammonia engine and the hydrogen-oxygen fuel cell are cooperatively applied to the same hybrid power system, and the working point of the engine cannot be effectively controlled in the prior art are solved.

The invention discloses a method for preparing CNTs and hydrogen-rich gas through sludge pyrolysis, sludge is subjected to pyrolysis after being conditioned by ferric salt, pyrolysis gas is collected and reduced under the action of a Ni-Fe / NF catalyst, the Ni-Fe / NF catalyst is prepared and obtained, and the Ni-Fe / NF catalyst is obtained by dipping foamed nickel in a mixed solution containing nickel nitrate and ferric nitrate and reducing the foamed nickel. Under the action of the Ni-Fe / NF catalyst, on the basis of not changing pyrolysis conditions and not influencing preparation of pyrolytic carbon and pyrolytic oil by sludge pyrolysis, the pyrolysis gas is synchronously converted into the Ni-Fe / NF catalyst with higher value, so that the economic values of the sludge and the pyrolysis gas are improved, the influence on the environment is reduced, and the engineering application of the sludge pyrolysis technology is favorably realized.

The present invention relates to an alkaline electrolysis device comprising: - at least one electrolysis cell comprising a reactor chamber which comprises a hydrogen-side reactor chamber region containing the aqueous electrolyte for decomposing the aqueous electrolyte into gaseous hydrogen and an oxygen-side reactor chamber region containing the aqueous electrolyte for decomposing the aqueous electrolyte into gaseous oxygen; - a hydrogen separator connected to the hydrogen-side reactor chamber region for separating the gaseous hydrogen from the aqueous electrolyte introduced into the hydrogen separator; and - an oxygen separator connected to the oxygen-side reactor chamber region for separating the gaseous oxygen from the aqueous electrolyte introduced into the oxygen separator; wherein the hydrogen separator has a first hydrogen separator outlet for removing the aqueous electrolyte having a first hydrogen concentration and a second hydrogen separator outlet for removing the aqueous electrolyte having a second hydrogen concentration that is less than the first hydrogen concentration; and where the first hydrogen separator outlet and the second hydrogen separator outlet are connectable or connected to the reactor chamber.

A gas stream is pressurized to produce a compressed gas stream. A first portion of a fuel stream is combusted in the presence of the compressed gas stream to produce an exhaust stream. The exhaust stream is flowed to a turbine of an electric generator, thereby causing the turbine to rotate and generate power. Heat is transferred from to the exhaust stream to the compressed gas stream. Heat is transferred from the exhaust stream to a working fluid. Heat is transferred from the working fluid to a water stream for generating a steam stream. A second portion of the fuel stream is converted in the presence of oxygen and steam to produce a syngas stream. The syngas stream is separated to produce a carbon dioxide stream and a hydrogen stream. The hydrogen stream is reacted with nitrogen to produce an ammonia stream.

The present application relates to a composite hydrogen production method for organic solid waste and belongs to the technical field of organic solid waste treatment. Said method comprises the following steps: (1) pretreatment; (2) low-temperature oxygen-free carbonization treatment; (3) carbon sorting; and (4) high-temperature gasification hydrogen production. The present application carbonizes organic solid waste by means of low-temperature oxygen-free carbonization technology, carbonization products being combustible oil gas having high heat value and biochar powder; and then by means of composite high-temperature gasification hydrogen production technology, fully converts the combustible oil gas and the biochar powder together with water and organic solid waste leachate into clean energy hydrogen and liquid-state or solid-state carbon dioxide for reuse, thereby lowering the emission of greenhouse gases such as carbon dioxide by 90% or above. The present application uses the composited technology of "carbonization + hydrogen production" to achieve a whole industry chain mode for the organic solid waste industry, thereby achieving safe disposal, reduction and fully-recycling treatment for municipal organic waste during environmental protection and obtaining high-grade environment-friendly and green hydrogen energy without secondary pollution to the environment.

The utility model discloses drying equipment, a hydrogen production system and a hydrogen production station yard, and belongs to the technical field of water electrolysis hydrogen production. The drying equipment is applied to a hydrogen production system and is provided with a crude hydrogen inlet for introducing crude hydrogen to be dried, an emptying port communicated with the outside and a gas supply outlet for leading out a hydrogen product; the drying equipment comprises a regeneration gas branch and a plurality of drying devices, wherein the regeneration gas branch is used for introducing nitrogen or inert gas; the first ports of the plurality of drying devices are selectively communicated with the crude hydrogen inlet and the outlet of the regenerated gas branch, and the second ports of the plurality of drying devices are selectively communicated with the gas supply outlet and the vent nozzle. Nitrogen or inert gas is used as the regeneration gas, accidents caused by gas leakage can be avoided, the regeneration gas can be directly emptied, investment of equipment is reduced, and the drying equipment has no lower limit requirement for the crude hydrogen inlet amount, so that the drying efficiency is improved. The problems that a front-end power supply in the water electrolysis hydrogen production industry is unstable and the minimum load lower limit requirement that multiple sets of electrolytic cells are matched with a single set of drying equipment are solved.

Methods for quantifying hydrogen and evaluating hydrogen purity in materials, such as in geologic materials of a geologic unit are provided, as well as devices for performing such analyses, and other related methods or other embodiments. One exemplary aspect is a method for measuring the amount of hydrogen in a material comprising obtaining an analyzable amount of a material as a sample, subjecting the sample to one or more gentle vacuum equivalent forces that extract one or more easily released volatile substances from the sample, if present, the one or more easily released volatile substances comprising at least one hydrogen proxy, collecting at least a portion of the extracted easily released volatile substances, and measuring the amount of the at least one hydrogen proxy in the collected portion of the easily released volatile substances and using the measurement in a determination of the amount of hydrogen in the material.