223 results about "Methanol water" patented technology

The present application relates to hydrogen production technology field, especially to a kind of methanol hydrogen production method, comprising the following steps: S10: methanol water is heated and vaporized to obtain methanol water vapor;S20: methanol reforming reaction obtains hydrogen mixture gas;S30: after cooling treatment to hydrogen mixture gas, through water washing tower absorption unreacted methanol water, then, adjust the relative humidity and temperature of hydrogen mixture gas;S40: hydrogen mixture gas is input into carbon dioxide absorption tower to remove carbon dioxide;S50: after removing carbon dioxide, product hydrogen is obtained and input hydrogen tank storage to supply user end.The above-mentioned methanol hydrogen production method, by methanol water vapor reforming hydrogen treatment, obtains hydrogen mixture gas.Again, hydrogen mixture gas is purified to obtain product hydrogen with very low carbon monoxide content, with raw material easy to transport, the hydrogen purity of output is high, equipment construction cost is low, and energy consumption is low and the like advantages, reach the purpose of expanding hydrogen application range.

The invention relates to a methanol internal combustion engine high-temperature fuel cell hybrid power system based on double-path waste heat gradient utilization. The invention relates to the technical field of internal combustion engine waste heat recovery and new energy power system integration. The system comprises a fuel tank, a first pump body, a heat exchanger, a methanol internal combustion engine, a turbine, a gas compressor, an air compressor, a reformer, a high-temperature proton exchange membrane fuel cell, an evaporator and a second pump body. A methanol-water vapor mixture generated by heat exchange of a mixed solution of methanol and water and a high-temperature fuel cell stack coolant in a heat exchanger is introduced into a reforming reactor and is subjected to catalytic reforming to produce hydrogen by utilizing waste heat of high-temperature tail gas of an engine, and the produced hydrogen is directly supplied to an anode of a high-temperature fuel cell. Through a double-path methanol distribution strategy, collaborative design of internal combustion engine waste heat recovery, electric pile heat management and reforming hydrogen production is realized, and the comprehensive energy efficiency of the system is improved.

The invention relates to a modular methanol reforming hydrogen production system, and belongs to the technical field of new energy of methanol reforming hydrogen production. The hydrogen production system comprises a control system, an air inlet module, a methanol supply module, a plurality of methanol reforming hydrogen production modules, a reformed gas main pipeline and a tail gas main pipeline, wherein the methanol reforming hydrogen production module comprises a methanol reformer, a tail gas heat exchanger, a methanol evaporator, a methanol aqueous solution sub-feeding pump, a methanol aqueous solution sub-pipeline, a reformed gas sub-pipeline and a tail gas sub-pipeline; the methanol reformer comprises a vaporizing chamber, an oxidizing chamber and a reforming chamber; an outlet of high-temperature tail gas generated by the oxidizing chamber is connected with the tail gas heat exchanger and the methanol evaporator; and the methanol aqueous solution main storage tank is sequentially connected with the methanol evaporator, the tail gas heat exchanger and the reforming chamber through a methanol aqueous solution feeding pump. The methanol reforming hydrogen production system adopts a modular design, is simple in equipment, high in expansibility, quick to start and adjustable in hydrogen production amount, and realizes instant production and instant use of hydrogen energy and hydrogen.

The invention relates to the technical field of radiation refrigeration films, and discloses a porous polyvinylidene fluoride based composite radiation refrigeration film and a preparation method thereof. The method comprises the following steps: firstly, carrying out melt blending on PVDF, NaCl and ZnO nanoparticles and forming a film, then dissolving out NaCl through water washing, and constructing a continuous three-dimensional porous structure in a PVDF matrix; and immersing the obtained porous PVDF / ZnO membrane material into a methanol aqueous solution containing 2-methylimidazole, so that ZnO is subjected to a coordination reaction at the pore wall and is converted into the ZIF-8 nanocrystal in situ. In the thin film prepared by the steps, the micron-sized salt-induced pore structure, the nano-sized ZIF-8 particles and the interface of the ZIF-8 particles jointly form a multi-stage scattering network, so that the scattering ability of the thin film in the solar spectrum range of 0.25-2.5 microns can be remarkably enhanced, the high infrared emission performance of the PVDF matrix in an atmospheric window of 8-13 microns is maintained, and the thin film has high solar reflectivity and high infrared emissivity, and can be used for preparing the solar film. An excellent radiation refrigeration effect can be achieved, and the heat-dissipating material is suitable for being applied to building outer surfaces, equipment heat dissipation, individual heat management and the like.

The invention relates to a modular methanol reforming and high-temperature membrane fuel cell coupled heat and power cogeneration system, which comprises a modular methanol reforming hydrogen production system, a modular high-temperature membrane fuel cell power generation system and an electric control system, and is characterized in that the modular methanol reforming hydrogen production system comprises a methanol reforming hydrogen production module, a methanol aqueous solution main pipeline and a tail gas main pipeline; the number of the methanol reforming hydrogen production modules is multiple, the methanol aqueous solution main pipeline is connected with the methanol reforming hydrogen production modules, and the methanol reforming hydrogen production modules convey obtained reformed hydrogen to the high-temperature fuel stack module; the high-temperature membrane fuel cell power generation module supplies power according to electric energy generated by reforming hydrogen; the electric control system is connected with the methanol reforming hydrogen production module, a temperature alarm value and a starting temperature value are set, the methanol reforming hydrogen production module is closed when the actual temperature of the methanol reforming hydrogen production module exceeds the temperature alarm value, the methanol reforming hydrogen production module is restarted when the actual temperature is lower than the corresponding starting temperature value, and the power supply cost can be reduced.

The invention belongs to the technical field of teenager depression marker detection, and particularly relates to a teenager depression marker detection kit and a teenager depression marker detection method, the kit comprises an extraction liquid, an internal standard substance, a quality control substance and a mobile phase additive, the internal standard substance comprises a stable isotope labeled metabolic marker, the quality control substance comprises a standard metabolic marker, and the mobile phase additive comprises a mobile phase. The detection method comprises the following steps: S1, dissolving an internal standard substance by using a methanol-containing aqueous solution to prepare an internal standard stock solution; s2, methanol is added into the internal standard stock solution for dilution, uniform mixing is performed, and an extraction working solution is prepared; s3, taking a quality control product / sample, adding an extraction working solution, carrying out oscillation incubation, centrifuging, and taking supernate as a to-be-detected sample; s4, the sample to be detected is detected through a liquid chromatograph-mass spectrometer, various biomarkers related to depression in the body of the teenager can be rapidly and accurately detected, and an objective and reliable basis is provided for early diagnosis and illness state evaluation of the depression of the teenager.

The invention discloses a methanol water reforming hydrogen production method, and relates to the technical field of hydrogen energy preparation, and the method comprises the following steps: 1) catalytic reforming reaction; and 2) separation and purification. The preparation method comprises the following steps: performing nitrogen doping modification on activated carbon by a hydrothermal method to prepare an N-AC carrier; then Co is preferentially anchored to the carrier at low temperature by utilizing the steric hindrance effect of a cobalt-ammonia complex, and a highly dispersed CoxOy active center is formed through thermal decomposition; and finally, co-dipping Cu and Zn precursors, precipitating and reducing to form a Cu-Zn active center, and constructing a Cu-Zn-CoxOy / N-AC bifunctional concerted catalytic system which is used for hydrogen production by reforming methanol and water. After methanol and desalted water are mixed and gasified, the mixture is introduced into a reforming reactor loaded with a Cu-Zn-CoxOy / N-AC catalyst for reaction, generated reformed gas is subjected to cooling and gas-liquid separation and then is purified through a CO adsorption bed and a pressure swing adsorption system, and high-purity hydrogen is obtained.

The application discloses a kind of ruthenium grafting manganese aluminum hydrotalcite and catalytic method for C02 hydrogenation preparation formic acid, belong to catalyst technical field, in the application, under the optimized reaction condition, with methanol:water mixture as solvent (5:1), total pressure is 60bar, 60 DEG C, reaction 24 hours, with temperature controller to be heated to the temperature required for reactor.When the temperature inside the reactor reaches the specified temperature, start stirring at a fixed stirring speed (200-800 revolutions / min), after the required reaction time, stop stirring and heating, and allow the reactor to cool to room temperature. The hydrogenation products were analyzed by high performance liquid chromatography, the conversion number (TON) of formic acid reached more than 8000; RuMnAl-LDH was prepared by coprecipitation method, and RuMnAl hydrotalcite catalyst was obtained by heating and activation in a muffle furnace. The preparation process is simple, and the raw materials are easy to obtain. The RuMnAl-LDH catalyst prepared by the application has good catalytic activity and stability in the catalytic hydrogenation of formic acid to formic acid reaction, and has wide application prospect.

The application discloses a preparation method and application of a low-Cu-loading high-activity methanol reforming hydrogen production catalyst. The catalyst takes Al2O3 as a carrier, Cu as an active component, and Ce as an additive, is synthesized by a coprecipitation method in one step, and realizes the synergistic effect of the active metal, the additive and the carrier by precisely controlling the Cu loading to be 5-15%, the Ce doping amount to be 1-5%, and combining specific precipitation, calcination and reduction processes; the dispersion degree and the low-temperature catalytic performance of Cu are improved by using the redox electron regulation formed by CeO2 and Al2O3 and the strong metal carrier interaction. Without doping of noble metals, the raw material cost is reduced, meanwhile, the catalyst has excellent mechanical strength, the long-period reaction performance does not attenuate for 300 hours, is suitable for a fixed-bed reforming reactor, can be efficiently applied to a methanol steam reforming hydrogen production reaction, and has remarkable industrial application value.

The utility model discloses an anti-corrosion control system for a low-temperature methanol washing process, which comprises an alkali liquor adding tank used for storing and preparing alkali liquor with the concentration of 2%; the alkali liquor filling pump is connected to the alkali liquor dosing tank and is used for conveying the prepared 2% alkali liquor to an ammonia washing tower and a methanol-water separation tower in the production system; the alkali liquor dosing tank liquid level meter is arranged on the alkali liquor dosing tank and is used for monitoring the liquid level in the alkali liquor dosing tank in real time and sending out an alarm and interlocking protection signal; the DCS control system is used for automatically controlling the supplement amount of alkali liquor according to preset program setting and ensuring safe operation, the alkali liquor filling pump and the alkali liquor dosing tank liquid level meter are both connected with the DCS control system, 1-2% of alkali liquor is supplemented through online continuous operation, the PH value of condensate of the methanol-water separation tower and the ammonia washing tower is controlled to be 7-8, and therefore the problem of equipment corrosion is solved.

The application discloses a cold-heat-electricity-hydrogen-carbon co-production system and method based on cross-critical carbon dioxide energy storage, and the method is as follows: carbon dioxide is compressed by a carbon dioxide compressor set and then enters an expander set to work and generate electricity; heat energy generated in the carbon dioxide compression process provides heat for a methanol water vapor reforming hydrogen production process and a methanol cracking hydrogen production process through a first heat exchanger and a second heat exchanger respectively; a solar power generation unit generates electricity to provide electric energy for the carbon dioxide compressor set, a methanol water vapor reforming hydrogen production reactor and a methanol cracking hydrogen production reactor; carbon dioxide generated in the methanol water vapor reforming hydrogen production is input into the carbon dioxide compressor set; carbon monoxide generated in the methanol cracking hydrogen production is combusted to generate high-temperature flue gas, and the high-temperature flue gas provides heat for the expansion of compressed carbon dioxide in the expander set; the carbon dioxide compression provides heat energy for a hydrogen production reaction of methanol, and solar power generation provides electric energy for the hydrogen production of methanol, so that the system energy consumption is reduced, and carbon monoxide is consumed in the system.

The present application relates to the technical fields of chemical synthesis, and discloses a kind of aviation kerosene production process and equipment, production process includes: carbon source gas, hydrogen, circulating gas is sent into main reactor reaction and obtains including hydrocarbon, methanol, CO, water and unreacted gas mixed component a;Mixed component a is sent into cascade reactor and is prepared to obtain including aviation kerosene component, light hydrocarbon component and water mixed component b, wherein light hydrocarbon component includes one or more of C2-C7 light hydrocarbon;Mixed component b is fractionally condensed to collect liquid phase and gas phase, and liquid phase is carried out three-phase separation to obtain aviation kerosene component, light hydrocarbon component and water respectively, aviation kerosene component is hydrotreated, fractionation to obtain aviation kerosene.The present application realizes the step-by-step control of reaction path in carbon source hydrogenation process through the synergistic effect of main reactor and cascade reactor, improves the selectivity of aviation kerosene target product, so that the obtained product meets the 3# aviation kerosene standard requirements in key indicators such as distillation range distribution, aromatic content and low temperature performance.

The invention discloses a crystal form and a preparation method of Alalistrum hydrochloride, the crystal form comprises a crystal form Form3, a crystal form 4 and a crystal form Form11, Alalistrum hydrochloride solids Form3 (methanol-water composite solvate), Form4 (hydrate) and Form11 can be obtained by mixing and dissolving Alalistrum hydrochloride solids and an organic solvent, and then adopting the modes of crystallization, crystal mush and volatilizing, and the Alalistrum hydrochloride solids Form3 (methanol-water composite solvate), Form4 (hydrate) and Form11 can be obtained by using the crystal form of Alalistrum hydrochloride and the preparation method of the crystal form of Alalistrum hydrochloride and the preparation method of the crystal form of Alalistrum hydrochloride. The preparation method disclosed by the invention is simple in process, strong in operability, high in yield, high in purity and good in crystallinity, and the crystal form disclosed by the invention is high in solubility, few in residual solvent and good in solid property and meets the medicinal development standard.

The invention discloses an on-line regeneration method of a copper-based methanol reforming hydrogen production catalyst, which belongs to the technical field of catalyst regeneration, and is characterized by comprising the following steps: directly adding a certain proportion of oxygen-containing gas into feed gas of a reactor in a methanol reforming hydrogen production reaction process under the conditions of not changing the operation temperature and not stopping raw material supply; oxygen-containing gas is mixed with methanol and water vapor and then enters a catalyst bed layer, and after online treatment is carried out for a period of time, supply of oxygen is stopped, so that online regeneration of catalyst activity can be completed; according to the method, the regeneration can be completed by directly introducing oxygen in the reaction process without shutdown, cooling or reaction atmosphere switching, so that the operation process is greatly simplified, and the production efficiency is improved.

The application discloses a compression ignition type methanol engine and a control system thereof, and relates to the technical field of engine control, which comprises a methanol engine and a methanol tank, further comprises a methanol water boiler, and is provided with an electric heating plug at a cylinder of the methanol engine; the methanol tank is connected with the methanol water boiler, a first methanol pump and a second methanol pump through connecting pipelines respectively; control valves one, two and three are arranged on the connecting pipelines respectively; the control system of the compression ignition type methanol engine comprises a cold start and warm-up working condition identification module, an acceleration working condition identification module, a load working condition identification module and an engine control module; the high-efficiency and reasonable heat management system and the air intake passage / in-cylinder double-methanol injection supply technology are adopted, the methanol engine can be operated efficiently in all working conditions, the efficiency and the power of the methanol engine can be improved simultaneously, and the effect of the high-efficiency and high-power compression ignition type methanol engine is realized.

The utility model discloses a methanol reforming hydrogen production device based on solar energy and tail gas utilization, which relates to the field of new energy utilization and chemical production and comprises a solar heat collector and a methanol reforming reactor. The solar heat collector comprises a groove type paraboloid collecting lens, sunlight irradiates the collecting lens and is reflected to a focus point, and the methanol reforming reactor is located at the light reflection focus point of the groove type paraboloid collecting lens; the methanol reforming reactor comprises an aluminum alloy pipe, a tail gas flow pipe, a methanol reforming pipe, a gas inlet pipe and a gas outlet pipe; the tail gas flow pipe is nested in the aluminum alloy pipe, a plurality of methanol reforming pipes are distributed in an interlayer between the tail gas flow pipe and the aluminum alloy pipe, and the gas inlet pipe and the gas outlet pipe are communicated with all methanol reforming pipes; the aluminum alloy pipe absorbs heat generated by sunlight, and the tail gas flow pipe absorbs waste heat of tail gas circulating in the tail gas flow pipe to jointly supply heat to the methanol reforming pipe; methanol steam enters the methanol reforming pipe from the gas inlet pipe, reacts in the methanol reforming pipe to generate hydrogen-rich reforming gas, and is discharged from the gas outlet pipe.

The application belongs to the technical field of detection, and particularly relates to a method for determining the content of chlorhexidine acetate in a disinfectant. The method for determining the content of chlorhexidine acetate in the disinfectant comprises the following steps: (1) dispersing the sample with glacial acetic acid, releasing chlorhexidine acetate combined with sample matrix components, and extracting with a methanol aqueous solution; and (2) taking a tetrabutylammonium bromide-acetic acid-acetonitrile solution as a mobile phase, and detecting with a high-performance liquid chromatograph. The method for detecting chlorhexidine acetate is simple in operation, good in reproducibility, complete in separation from impurities, high in accuracy, and has a good application prospect.

The utility model belongs to the technical field of methyl tert-butyl ether cracking, and particularly relates to a device for producing isobutene by cracking methyl tert-butyl ether. The device for producing isobutene by cracking methyl tert-butyl ether comprises an MTBE refining tower, the MTBE refining tower is connected with a cracking reactor, the bottom of the cracking reactor is sequentially connected with a condensate water cooler and a circulating water cooler, the circulating water cooler is connected with an absorption cooling tower, the absorption cooling tower is connected with a compressor inlet buffer tank, and the compressor inlet buffer tank is connected with a compressor outlet buffer tank. The compressor inlet buffer tank is connected with the gas production compressor; and the gas production compressor is connected with the isobutene water washing tower. According to the device for producing isobutene by cracking methyl tert-butyl ether, the condensate water cooler and the circulating water cooler are arranged and are matched with the light component removal tower reboiler, so that the cyclic utilization of heat is realized, and the energy consumption of the device is reduced; meanwhile, the isobutene water washing tower and the methanol water collecting tank are arranged, so that the loss of methanol is reduced, and the purity of an isobutene product is improved.

The invention relates to a methanol steam reforming hydrogen production device and a quick starting method thereof, and belongs to the technical field of hydrogen energy preparation devices. The hydrogen production device comprises a methanol reformer, a tail gas heat exchanger, a methanol evaporator, a methanol feeding pump, a methanol aqueous solution pipeline, a reformed gas pipeline, an air pipeline and a tail gas pipeline, the methanol water solution pipeline comprises a first pipeline and a second pipeline; the methanol reformer comprises a methanol oxidizing chamber, a methanol vaporizing chamber and a methanol reforming chamber; the methanol reformer is connected with the first pipeline through a methanol feeding pump; the methanol reformer is respectively connected with an air pipeline and a reformed gas pipeline; the methanol reformer is sequentially connected with the tail gas heat exchanger and the methanol evaporator to form a secondary heat exchange structure; and the methanol evaporator is sequentially connected with the tail gas heat exchanger and the methanol reformer through a second pipeline for multi-stage heat recovery. A detachable hydrogen storage device is connected outside a methanol oxidation chamber of the hydrogen production device, and the hydrogen production device can be quickly started by utilizing hydrogen-air catalytic combustion during starting.

The application discloses a foamed copper low-temperature methanol water vapor reforming hydrogen catalyst and a preparation method thereof, and belongs to the technical field.The technical scheme is as follows: including pretreatment, chemical plating reaction, impregnation, pre-copper plating, copper electroplating, calcination, hydrothermal reaction and high-temperature treatment.The foamed copper catalyst prepared by the application has the advantages of more uniform dispersion of active components, higher porosity and better stability;Al does not need to be added, and the active component is the carrier;and the preparation process is simple, convenient to operate, low in cost and obvious in industrial application value.

The invention discloses a solid fluorescent material based on a tetraphenylethylene derivative and application of the solid fluorescent material in water content detection. On the basis of the special structure and functional design of a hydrogen bond organic framework, the spatial distribution and interaction mode of structural solvents (such as dimethyl sulfoxide and DMSO) and adsorption solvents (such as methanol, water and acetone) in the framework are accurately controlled, and on the premise that the integrity of a crystal structure is kept, the preparation method is simple and easy to implement. And reversible exchange and real-time optical monitoring of solvent molecules in the pore channels are realized. The material can generate obvious fluorescence color change (467-602nm) along with the change of the environmental water content, and has the advantages of high response speed, high sensitivity, good thermal stability and good recycling performance.

The utility model discloses a diffusion gradient film shell which comprises a sampler shell assembly, the sampler shell assembly comprises a base, a threaded column fixed on the base, a protective cover matched with the threaded column, a conical cover connected with the protective cover, and a filter membrane, a diffusion layer and an adsorption layer which are arranged between the threaded column and the protective cover. According to the utility model, the sampler shell assembly is arranged to form a threaded connection structure, so that the sampler shell does not need to be pried open when the adsorption film is recycled, the effect of repeated utilization can be achieved through simple methanol water cleaning, experimental resources are effectively saved, experimental wastes are reduced, and the experimental cost is reduced. And the structural design of the octagonal base is convenient to apply force to screw, the shell can be set into different colors, and the shells with the same color form one group, so that the marking is convenient.

The invention belongs to the technical field of detection, and particularly relates to a method for determining the content of chlorhexidine acetate in a disinfectant. The method for determining the content of chlorhexidine acetate in the disinfectant comprises the following steps: (1) dispersing a sample by using glacial acetic acid, releasing chlorhexidine acetate combined with matrix components of the sample, and extracting by using a methanol aqueous solution; and (2) detecting by using a high performance liquid chromatograph by taking a tetrabutylammonium bromide-acetic acid-acetonitrile solution as a mobile phase. The method for detecting chlorhexidine acetate is simple and convenient to operate, good in reproducibility, complete in impurity separation and high in accuracy, and has a good application prospect.

The present invention relates to a process for preparing at least one alkali metal methoxide by reactive distillation in at least one reaction column. At the lower end of the reaction column(s), the respective alkali metal methoxide dissolved in methanol is withdrawn. The methanol / water mixture obtained at the top of the reaction column(s) is separated by distillation in a rectification column.The vapours obtained at the upper end of the rectification column are compressed in at least two stages and the energy of the vapours compressed in each case is advantageously transferred to bottoms and side streams of the rectification column. This allows particularly efficient use of the energy of the compressed vapours in the process according to the invention. In addition, the energy in the product stream of alkali metal methoxide which is obtained at the lower end of the reaction column(s) is advantageously transferred to the vapour streams from the rectification column, especially before these vapours are subjected to compression.The energy from the compressed vapour may additionally be used for operation of the reaction column(s) or for operation of a reaction column in which a process for transalcoholization of alkali metal alkoxides is performed.

The invention relates to the field of methanol water reformers, in particular to a medium heat conduction type reformer. A columnar cavity structure is formed by the upper cover plate, the lower cover plate, the combustion cylinder and the outer cylinder sleeve, heat conduction oil is filled in the cavity structure, heat of tail gas generated by combustion of the combustion head is transmitted to the heat conduction oil through the combustion cylinder, and methanol water enters the reaction methanol water channel through the reaction methanol water inlet. The reaction methanol water passes through the reaction methanol water passage in the first area, passes through the reaction methanol water passage in the second area and then enters the second area, and the gasified methanol water entering the second area passes through the reaction pipe in the second area; the gasified methanol water reacts in the reaction tube at the second area side to generate hydrogen which flows into the upper cavity, and the hydrogen in the upper cavity and the gasified methanol water which is not completely reacted are subjected to secondary reaction through the reaction tube at the first area side, so that the efficient utilization of the gasified methanol water is effectively ensured.

The invention provides a quality detection method of heart-nourishing pulse-activating granules, a fingerprint spectrum and a construction method of the fingerprint spectrum, and relates to the technical field of medicine detection. The quality detection method comprises the following steps: preparing a test solution: weighing heart-nourishing and pulse-activating granules, adding a methanol aqueous solution with the volume fraction of 25%-100%, dissolving, carrying out ultrasonic treatment, and filtering; a reference substance solution: weighing a salvianolic acid B reference substance, adding a methanol aqueous solution with the volume fraction of 25%-100%, dissolving into a solution with the concentration of 1 mg / mL, and filtering; respectively injecting the test solution and the reference solution into a liquid chromatograph, and measuring to obtain chromatograms; in the chromatographic column, octadecylsilane chemically bonded silica is used as a filling agent; an acetonitrile solution is used as a mobile phase A, and a phosphoric acid aqueous solution with a volume fraction of 0.05-0.15% is used as a mobile phase B; and gradient elution. According to the quality detection method provided by the invention, the effective components are extracted to the greatest extent, and relatively comprehensive effective component information is obtained.

The invention discloses defective NH2-Ni-MOF as well as a preparation method and application thereof, and belongs to the field of piezoelectric electro-catalytic hydrogen production. The method comprises the following steps: firstly, synthesizing a precursor NH2-Ni-MOF through a solvothermal method, putting the NH2-Ni-MOF material and a grinding ball into a ball mill together by a seller, and grinding to obtain defective NH2-Ni-MOF; and the grinding ball is a mixture of five large balls with the diameter of 10 mm and fifteen small balls with the diameter of 5 mm. The D3-NH2-Ni-MOF prepared by mixing and grinding the grinding balls in a specific proportion realizes the synergistic effect of high-energy impact and high-frequency grinding, and successfully introduces lattice defects with the maximum concentration. The defect structure can effectively promote separation and migration of photon-generated carriers and enhance the piezoelectric polarization effect of the material under the ultrasonic action, so that the piezoelectric synergistic photocatalytic performance is remarkably improved. Under the combined action of sun illumination and ultrasonic vibration, the D3-NH2-Ni-MOF catalyst is dispersed in a methanol aqueous solution, and efficient and stable water decomposition hydrogen production activity can be achieved.

The application provides a methanol reforming hydrogen production device test bench, and relates to the technical field of new energy sources.The methanol reforming hydrogen production device is connected with an air supply branch, a methanol water vapor supply branch, a heating branch, a reforming gas treatment branch and a temperature measurement branch.The air supply branch comprises a blower, an air flow meter and a temperature sensor 1.The methanol water vapor supply branch comprises a constant flow pump 1, a liquid flow meter 1 and a temperature sensor 2.The heating branch comprises a constant flow pump 2, a liquid flow meter 2, a temperature sensor 3 and a temperature sensor 4.The temperature measurement branch comprises a temperature sensor 5, a temperature sensor 6, a temperature sensor 7 and a temperature sensor 8.Feedback regulation is realized through the cooperation of a plurality of constant flow pumps, a plurality of liquid flow meters, a blower, an air flow meter and other controllable actuators and sensors, so that the reactant flow entering the methanol reforming hydrogen production device can be accurately controlled, and quantitative analysis on the performance of the methanol reforming hydrogen production device can be realized.

The application discloses a copper-zinc-aluminum catalytic material prepared by a ball milling method in an alkaline atmosphere and application thereof, and belongs to the field of catalytic technology. The preparation method of the copper-zinc-aluminum catalytic material comprises the following steps: (1) mixing a copper powder, a zinc powder and an aluminum source to obtain a mixed powder, and adding the mixed powder into a ball milling tank provided with zirconium oxide ball milling beads; (2) after air in the ball milling tank is removed, alkaline mixed gas is filled into the ball milling tank, and the ball milling tank is placed into a ball mill; (3) after ball milling, the obtained precursor powder is dried; (4) the dried precursor powder is calcined to obtain a catalyst powder, the catalyst powder is mixed with graphite, and tabletting is performed to form a copper-zinc-aluminum catalytic material. The preparation process is simple, the preparation cost is relatively low, waste gas and waste water are not generated in the preparation process, high cost of environmental protection treatment is avoided, and the copper-zinc-aluminum catalytic material prepared has high activity and stability in a methanol water reforming hydrogen reaction.

The invention belongs to the technical field of natural gas treatment, and discloses a process method and system for removing methanol in liquefied gas by circulating water, the process method comprises the following steps: cooling alcohol-containing liquefied gas, reacting with water, and carrying out mass transfer and adsorption to separate methanol from liquefied gas to obtain methanol water and liquefied gas containing trace water; after removing trace water carried by the liquefied gas, storing the liquefied gas; collecting methanol-containing water, carrying out heat exchange on the methanol-containing water, filtering, and rectifying to obtain methanol and methanol-removed water; after the non-condensable gas in the methanol is separated, returning one part of the methanol as reflux liquid to the rectification process, and directly storing the other part of the methanol; one part of the methanol-removed water is used for providing a heat source in the rectification process, and the other part of the methanol-removed water is used for participating in the water reaction process after being cooled and filtered. The methanol in the liquefied gas is effectively removed by adopting the circulating water, the adaptability is strong, the operation is simple and convenient, the energy is saved, the environment is protected, and the product yield is improved.