322 results about "Carbon monoxide" patented technology

The invention belongs to the technical field of antibiosis and wound healing promotion, and relates to double-response (near-infrared light and hydrogen peroxide double-response photo-thermal / carbon monoxide therapy) antibacterial hydrogel as well as preparation and application thereof. The invention relates to a double-response antibacterial hydrogel. The antibacterial hydrogel is prepared from the following components: drug-loaded nano particles and a hydrogel matrix. The drug-loaded nano particles are prepared by loading dimanganese decacarbonyl (MnCO) into cavities of hollow mesoporous copper sulphide nano particles (HMCuS NPs) and coating the surfaces of the particles with a polydopamine layer (PDA). According to the invention, CO / PTT synergistic treatment of bacterial infected wounds is realized, and the antibacterial effect is significantly improved. An in-vitro antibacterial experiment result shows that the antibacterial hydrogel shows extremely strong inhibition capability on escherichia coli and staphylococcus aureus, and the problem of drug resistance caused by a bacterial biofilm is effectively solved.

The invention discloses clostridium and application thereof in fermentation production of alcohol, and belongs to the technical field of industrial microorganisms. The clostridium is a carbon monoxide eating clostridium strain GG6, and is preserved in the China General Microbiological Culture Collection Center (CGMCC), the preservation number is CGMCC No.34975, and the preservation time is June 23, 2025. The clostridium is a carbon monoxide eating clostridium strain GG6 which is preserved in the China General Microbiological Culture Collection Center (CGMCC), the preservation number is CGMCC No.34975, and the preservation number is CGMCC No.34975. The carbon monoxide eating clostridium GG6 is obtained by enriching tail gas flue sediments of a coal chemical plant through an abundant culture medium, evolving a screening culture medium and sorting single bacteria, the bacterial strain is fermented by taking synthesis gas (CO / H2 / CO2) as raw material gas to generate acetic acid, ethanol, butyric acid and butanol, the thallus biomass OD600 is more than or equal to 6, the concentration of produced ethanol is more than or equal to 10g / L, the concentration of produced butanol is more than or equal to 2.5 g / L, and the concentration of produced butanol is more than or equal to 2.5 g / L; and commercialized implementation of butanol production through gas fermentation is facilitated.

The invention discloses a method for preparing a carbon monoxide oxidation catalyst by using titanium gypsum and a waste hydrogenation catalyst, which comprises the following steps: crushing and pickling the waste hydrogenation catalyst, washing with clear water until the waste hydrogenation catalyst is neutral, and drying to obtain pretreated waste catalytic powder; uniformly mixing and stirring titanium gypsum and the pretreated waste catalytic powder to obtain gypsum doped pretreated waste catalytic powder; mixing a plant extract, crop powder and gypsum, doping the pretreated waste catalytic powder, uniformly stirring, feeding into mixed bacteria consisting of bacillus and aspergillus, and fermenting under a stirring condition to obtain a biological activated mixture; adding water into the biological activation mixture for hydrothermal reaction, filtering, separating and washing the material after the hydrothermal reaction is finished, roasting the washed filter cake, naturally cooling the roasted material, and crushing to obtain the carbon monoxide oxidation catalyst. According to the invention, the titanium gypsum and the waste hydrogenation catalyst are combined, and the biomass material is used for activating treatment, so that the use of chemical precursors is reduced, and the oxidation catalyst with excellent catalytic performance is obtained.

The invention discloses a method for preparing a carbon monoxide normal-temperature oxidation catalyst by using electrolytic manganese residues and oil sludge, which comprises the following steps: uniformly mixing the oil sludge and the electrolytic manganese residues to obtain manganese oil sludge, uniformly stirring the manganese oil sludge and mixed halophilic desulfurizing bacteria, fermenting, and drying to constant weight to obtain fermented manganese oil sludge, the method comprises the following steps: carbonizing dry fermented manganese oil sludge to obtain a manganese carbide oil material, uniformly mixing the manganese carbide oil material with a blueberry extract to obtain a manganese carbide oil extract mixture, uniformly mixing and stirring the obtained manganese carbide oil extract mixture with a chloroplatinic acid solution, standing, filtering, washing, and drying to obtain the mixed halophilic desulfurizing bacteria. Drying to constant weight to obtain a platinum-doped carbonization extraction precursor, and finally roasting the platinum-doped carbonization extraction precursor to obtain the carbon monoxide oxidation catalyst. The composite catalyst with high specific surface area and multiple active sites is formed, and resource utilization of waste is achieved.

The invention discloses a multi-device state sensing driven intelligent storage abnormity early warning method, and relates to the field of storage cargo management, and the method comprises the steps: 1, collecting multi-source data through a multi-source sensor node, including odor intensity, volatile organic compound concentration, carbon dioxide or carbon monoxide content, and environment temperature and humidity, meanwhile, physical coordinates of the multi-source sensor nodes are obtained; 2, acquiring historical multi-source data in advance, constructing a dynamic threshold model based on the historical multi-source data, calculating odor fluctuation, a gas combination abnormal index and a temperature and humidity coupling risk value according to the multi-source data, and introducing time evolution trend analysis to obtain a gas combination abnormal index and a temperature and humidity coupling risk value; and a dynamic threshold model is combined to identify risk signals in the odor fluctuation degree, the gas combination anomaly index and the temperature and humidity coupling risk value, a space attenuation model is adopted to generate a three-dimensional anomaly thermodynamic diagram based on the physical coordinates of the multi-source sensor node and the risk signals, and a high-risk area is positioned.

The application discloses an energy-saving, efficient and adjustable alcohol pre-gas ammonia production process method, and particularly comprises the following steps: S1, a raw material gas is separated from a pressurized coal gasification methanol device as alcohol pre-gas and is sent to a shift device of synthetic ammonia through a sealed pipeline; S2, when entering the shift device, the alcohol pre-gas is mixed with a crude synthetic gas to form a mixed gas, then high-pressure steam is introduced to adjust the water-gas and increase the mixed temperature, carbon monoxide is reacted with water vapor in the shift device, and hydrogen gas is prepared as a shift gas; S3, the shift gas is subjected to low-temperature methanol washing and liquid nitrogen washing, then nitrogen gas produced by air separation is added, a synthetic gas is prepared, and the synthetic gas is sent to an ammonia synthesis device. The energy-saving, efficient and adjustable alcohol pre-gas ammonia production process method is adopted, raw material gas is comprehensively utilized in an energy-saving mode, the methanol and synthetic ammonia production yield is flexibly adjusted, and enterprise benefits are improved.

The invention provides a carbon monoxide plume identification and quantification method based on a domestic hyperspectral satellite, and the method comprises the steps: carrying out the radiometric calibration and atmospheric correction of the data of a visible short-wave infrared hyperspectral camera AHS I carried by the domestic hyperspectral observation satellite (GF-5B, Gaofen-5 B satellite); generating a carbon monoxide unit absorption spectrum by using a medium-resolution atmospheric transmission model MODTRAN; inverting a carbon monoxide enhancement value by adopting a matched filtering method; generating a binary plume mask through threshold segmentation; and constructing a deep learning model based on a residual neural network ResNet network, and realizing plume pixel-level identification and carbon monoxide column concentration enhancement value prediction. The method can identify the carbon monoxide plume with high precision and high efficiency, and is suitable for atmospheric pollution monitoring and pollution source quantification.

A process for the synthesis of methanol (MeOH) comprising the following steps: (a) passing a water-containing stream (3) through an electrolysis unit (4) to produce a cathode-side stream (5) comprising hydrogen (H2) and an anode-side stream (6) comprising oxygen (O2); (b) heat-exchanging said cathode-side stream (5) and optionally said anode-side stream (6) in one or more indirect heat exchanger(s) (7, 8, 32, 33) to obtain a cathode-side heat-exchanged stream (9) and optionally an anode-side heat-exchanged stream (10); (c) condensing said cathode-side heat-exchanged stream (9) to separate a liquid condensate product (11) and a syngas (12); said cathode-side stream (5) and / or said syngas (12) comprise carbon dioxide and optional carbon monoxide added through a separate stream (2); (d) compressing said syngas (12) in a compressor (27, 28) and then feeding compressed syngas (13) to a MeOH synthesis loop (14) wherein catalytic conversion of said compressed syngas (13) into MeOH is carried out under methanol synthesis conditions, thus obtaining a crude methanol stream (15); (e) distilling said crude methanol stream (15) in one or more distillation column(s) (16, 17) to give a refined MeOH product (19, 22); (i) recycling as feed to the electrolysis unit (4) at least a portion of at least one of: (A) a portion (31) of said compressed syngas (13); and / or (B) a bottom water stream (20) of a distillation column (16, 17).

The utility model relates to the technical field of microbial fermentation, in particular to a compound microbial agent liquid fermentation device, which comprises a fermentation box and an exhaust treatment mechanism, the exhaust treatment mechanism comprises an exhaust hood, the exhaust hood is fixed on one side of the fermentation box, and a fan is fixed inside the exhaust hood. A treatment barrel for performing biological desulfurization and denitrification on gas is arranged on one side of the exhaust hood, and a first exhaust pipe is fixed between one side of the exhaust hood and the bottom of the treatment barrel. Gas generated by microbial fermentation in the fermentation box is sucked into an exhaust hood through a fan in the exhaust treatment mechanism, and harmful gas sulfur dioxide and nitric oxide are converted into sulfur and nitrogen through desulfurization and denitrification microorganisms in a treatment barrel; hydrogen and carbon monoxide in harmless gas in the treatment box are subjected to combustion reaction through the flame projector to be converted into water, and finally safe gas is discharged from the exhaust port, so that the safety of an external fermentation environment is improved, resource recycling is realized, and greenhouse gas emission is reduced.

The present invention makes it possible to provide: an intermetallic compound that has exceptional long-time durability while exhibiting excellent catalytic activity at low temperature and exceptional methanol synthesis selectivity in methanol synthesis from CO2 or CO, or an intermetallic-compound-containing substance containing said intermetallic compound; a catalyst in which the same is used; a method for producing methanol; and a method for producing an intermetallic compound or an intermetallic-compound-containing substance containing said intermetallic compound. An intermetallic compound according to an embodiment includes a crystal lattice in which a first metal atom and a second metal atom are present at adjacent positions, and includes the first metal atom and the second metal atom. The first metal atom is Pd; the second metal atom is one or more selected from the group consisting of Zn, In, and Ga; in the X-ray diffraction spectrum before temperature rise desorption measurement, the position of the peak of the intermetallic compound is different from the position of the peak of the first metal atom and from the position of the peak of the second metal atom; and the BET specific surface area is 1 m2 / g or greater.

The utility model discloses a harmful gas automatic monitoring alarm type compressed oxygen self-rescuer which comprises a compressed oxygen self-rescuer body and a belt, a fixing plate is fixed on the outer wall of one side of the compressed oxygen self-rescuer body, a group of magnet blocks are fixed on the outer wall of the bottom of the fixing plate, a connecting frame is fixed on the outer wall of the belt, and a belt buckle is arranged at one end of the belt. A set of metal lantern rings are fixed to the outer walls of the tops of the belt buckle and the connecting frame respectively, the magnet blocks are inserted into the inner walls of the metal lantern rings, a control box is fixed to the outer wall of the bottom of the compressed oxygen self-rescuer body, and a single-chip microcomputer, a temperature sensor, a miniature methane sensor and a carbon monoxide sensor are arranged on the inner wall of the control box. According to the compressed oxygen self-rescuer, the whole compressed oxygen self-rescuer body can be tightly attached to the inclined side of the buttocks of a worker, the compressed oxygen self-rescuer is prevented from swinging back and forth when the worker works while the front work of the worker is not affected, and the worker can conveniently carry the compressed oxygen self-rescuer.

The application discloses a method for preparing ketone compounds by catalytic hydrogenation of cellulose based on a crude hydrogen atmosphere. The method uses cellulose as a raw material, water as a solvent, and activated carbon loaded Pd as a catalyst. The total pressure of the hydrogen source gas containing carbon monoxide and carbon dioxide is 0.5-4.0 MPa, the temperature is 230-260 DEG C, and the reaction time is 1-6 h, so that ketone compounds are obtained as main products. The volume percentage content of carbon monoxide and carbon dioxide in the hydrogen source gas containing carbon monoxide and carbon dioxide is 20%-67%. The reaction provided by the application has the characteristics of renewable raw materials, low reaction process cost, environmental friendliness, mild reaction conditions, high product selectivity, and high economic value of product added value.

A method of producing amino acids by fermentation in a bioreactor is disclosed, wherein the bioreactor includes methanogenic microorganisms in a fermentation broth, the method including at least the steps of feeding a gaseous carbon source including carbon dioxide and / or carbon monoxide, a nitrogen source and a sulfur source to the bioreactor under conditions such that the methanogenic microorganisms produce the amino acids; and harvesting at least a portion of the amino acids from the supernatant of the fermentation broth. Preferred methanogenic microorganisms are e.g. archaea selected from Methanothermobacter, Methanothermococcus and Methanococcus. Also provided is a fermentation broth comprising methanogenic microorganisms and amino acids in the supernatant, and a bioreactor including the same.

The present disclosure relates to methods for producing hydrogen and calcium- or magnesium-bearing carbonates by capturing, converting, and storing carbon dioxide. The methods may include providing one or more calcium- or magnesium-bearing compounds; providing one or more water-soluble oxygenates; providing a plurality of catalysts; and reacting one or more calcium- or magnesium-bearing compounds and one or more water-soluble oxygenates with plurality of catalysts under conditions to produce hydrogen and calcium- or magnesium-bearing carbonates. The methods may include providing one or more calcium- or magnesium-bearing silicates; providing carbon monoxide; providing water vapor; and reacting one or more calcium- or magnesium-bearing silicates, carbon monoxide, and water vapor. The methods may include providing one or more calcium- or magnesium-bearing compounds; providing one or more water-soluble oxygenates; providing a catalyst; and reacting one or more calcium- or magnesium-bearing compounds and one or more water-soluble oxygenates with said catalyst.

The invention provides a traditional Chinese medicine residue resource utilization process which comprises the following steps: collecting traditional Chinese medicine residues, classifying and storing the traditional Chinese medicine residues, chopping and drying the traditional Chinese medicine residues, and evaporating water to complete pretreatment of the traditional Chinese medicine residues; the pretreated traditional Chinese medicine residues are subjected to biomass gasification treatment in a biomass gasification treatment mode; combustible gas generated in the biomass treatment process is completely combusted by a gas generator to generate heat and electric energy; the residues obtained after biomass gasification treatment are subjected to carbonization treatment, and the residues achieve the effect of biomass carbon. The traditional Chinese medicine residues are subjected to chopping and drying pretreatment and then subjected to biomass treatment, so that combustible mixed gas containing hydrogen, carbon monoxide, methane and the like is generated from the traditional Chinese medicine residues, the gas can form new energy to serve as boiler production power, zero emission of production waste is achieved, pollution to the environment is reduced, the residues are subjected to carbonization treatment, and the production cost is reduced. And the residue reaches the effect of biomass carbon, so that resource recycling is realized, and the method is economical and practical.

The invention discloses a device and a process for refining and purifying nitrogen, and relates to the technical field of nitrogen purification, and the process comprises the following steps: step 1, desulfurization pretreatment: feeding a raw material common nitrogen from a nitrogen inlet, and removing sulfides such as H2S and SO2 through a desulfurization tower; step 2, TSA deep decarburization: the desulfurized nitrogen enters a decarburization tower A or a decarburization tower B which is working, and CO2, CO and hydrocarbon are deeply removed; and 3, purity monitoring and output: detecting the purified nitrogen through an analyzer to generate qualified high-purity nitrogen, outputting the qualified high-purity nitrogen, and automatically emptying the qualified high-purity nitrogen if the qualified high-purity nitrogen is not qualified. By inheriting a double-tower composite process of normal-temperature desulfurization and temperature swing adsorption and introducing online monitoring and automatic control, deep, continuous and stable removal of various impurities such as carbon monoxide, carbon dioxide and sulfide in nitrogen is realized, and the problems that an existing purification device is single in function, cannot deeply remove various harmful impurities and is low in purification efficiency are solved. And a continuous operation and real-time quality assurance mechanism is lacked.

The application discloses a controllable visual carbon monoxide releasing agent and a preparation method and application thereof, the releasing agent is Fla and Cys P molecules, Fla molecules are prepared by taking N,N-dimethyl-p-phenylenediamine as raw material, and the Fla molecules are prepared by cyclization, selenium dioxide oxidation, then hydroxy aldehyde condensation with 2-hydroxyacetophenone ketone under alkaline conditions, and esterification after acryloyl chloride; the structure of the Fla molecules is broken after light irradiation, and CO molecules are released; Cys P can react with cysteine (Cys) to generate flavone molecules Fla, and the releasing agent realizes visual detection of cysteine (Cys) and controllable release of CO.

The present invention provides a process to prepare kerosene, the process at least comprising the steps of: (a) providing a syngas stream comprising hydrogen (H2) and carbon monoxide (CO); (b) subjecting the syngas stream provided in step (a) to a Fischer-Tropsch reaction thereby obtaining a Fischer-Tropsch product comprising at least 50 wt.% of compounds boiling above 370°C; (c) separating the Fischer-Tropsch product into at least a C1-C4 fraction, H2O and a C5+ fraction; (d) subjecting the C5+ fraction as separated in step (c) to hydroprocessing thereby obtaining a mixture comprising at least a kerosene fraction and a heavier fraction; (e) separating the mixture as obtained in step (d) thereby at least obtaining the kerosene fraction and the heavier fraction, wherein the kerosene fraction has a Final Boiling Point of at most 302°C, preferably at most 300°C as determined by ASTM D86-18 and a flashpoint of at least 38°C as determined by IP170, wherein in the separation of step (e) the effective cut point, as determined by ASTM D2892-15 X2, between the kerosene fraction and the heavier fraction is at least 315°C and at most 330°C, and wherein in step (e) a kerosene yield of above 70 wt.% is obtained, based on the weight of the C5+ fraction subjected to hydroprocessing in step (d); (f) recycling at least a part of the heavier fraction as obtained in step (e) to the hydroprocessing of step (d); wherein step d) is carried out by contacting the C5+ fraction with a first catalyst, wherein the first catalyst comprises a molecular sieve with a pore size between 5 and 7 angstrom and a SiO2 / AlO3 ratio of at least 25 and a group VIII metal.

Protein-rich nutrient supplements and animal feed supplements derived from an anaerobic bacterial process are generated through a myriad of cell rupturing and protein fractionation / purification processes. Bacterial fermentation systems and methods of obtaining one or more protein-containing portions from a fermentation process using carbon monoxide-containing gaseous substrates are provided. The invention further provides compositions of protein-rich nutrient supplements with useful applications for intake by a variety of different animals and humans.

The intelligent positioning and tracking device comprises a cap body, a three-axis magnetometer is fixedly connected to the front end of the left side of the cap body, a positioner is fixedly connected to the rear end of the left side of the cap body, and a three-axis accelerometer is fixedly connected to the front end of the right side of the cap body. And the rear end of the right side of the cap body is fixedly connected with a three-axis gyroscope. A worker wears the helmet body on the head, the first binding belt and the second binding belt can be firmly connected under the cooperation of the nylon velvet belt and the nylon hook belt, the three-axis accelerometer, the three-axis magnetometer, the three-axis gyroscope and the positioner are arranged, the position information of the worker can be positioned in real time, and the working efficiency is improved. A methane sensor, a carbon monoxide sensor, an oxygen concentration sensor, a temperature and humidity sensor, a dust concentration sensor and a microseismic monitoring sensor are arranged, and the methane concentration, the carbon monoxide concentration, the oxygen concentration, the temperature and humidity information, the dust concentration and the vibration condition in the environment can be detected respectively.

The invention discloses a preparation method and application of a triazole phosphate type corrosion and scale inhibitor, and relates to the technical field of industrial water treatment chemicals. The compound is prepared by a three-step synthesis method which comprises the following steps: firstly, preparing an amino methylene phosphonic acid compound with one-NH reaction site from n ethylene (n + 1) amine, phosphorous acid and formaldehyde; secondly, preparing a triazole derivative from ethylene glycol glycidyl ether and triazole; and reacting the two products with sodium bicarbonate to obtain a target product. The target molecule contains a sodium phosphate group and a triazole group at the same time, through the synergistic effect of functional groups, intramolecular synergy of scale inhibition and corrosion inhibition functions is achieved, and the corrosion inhibition performance higher than that of a DETPMP scale and corrosion inhibitor used commercially is shown. The triazole phosphate type corrosion and scale inhibitor has good catalytic activity on photocatalytic carbon dioxide reduction under the conditions of room temperature and high temperature, the TON (carbon monoxide conversion number) can reach 1206, and the selectivity is 100%.

The present invention relates to a method for chemically converting a gas mixture containing carbon monoxide (CO) and water vapor (H2O) in the presence of a catalytic system, also called a catalyst, activated by a low-temperature plasma (e.g., generated by a DBD dielectric barrier discharge), according to the WGS reaction: CO + H2O → CO2 + H2. It also relates to the catalyst and the use of the catalytic system activated by a low-temperature plasma to produce high-value molecules such as hydrogen (H2).

The application discloses a rhodium-catalyzed desymmetrization hydroformylation method for constructing polychiral center carbon ring nucleosides. The method for constructing polychiral center carbon ring nucleosides comprises the following steps: under the condition of an inert atmosphere, an acetylacetone dicarbonyl rhodium metal precursor and a chiral ligand are added into an organic solvent to prepare a catalyst solution, the catalyst solution is mixed with a substrate, and a reaction is carried out under the condition of a hydrogen atmosphere and a carbon monoxide atmosphere; after the reaction is completed, filtration and purification are carried out, and polychiral center cycloalkyl aldehyde is obtained; and the aldehyde group is converted to obtain the polychiral center carbon ring nucleosides. The method for constructing polychiral center carbon ring nucleosides has the advantages of high selectivity, wide substrate compatibility, high reaction efficiency, easy conversion of products, and the like. The whole reaction process can obtain polychiral center cycloalkyl aldehyde in one step with extremely high enantioselectivity and diastereoselectivity, the aldehyde group is converted, polychiral center carbon rings can be obtained with high yield, high dr value and high ee value, and the method is simple and easy to operate.

The invention relates to a method for transferring rhodium in rhodium-containing organic waste liquid to a water phase through two-phase oxidation, and belongs to the technical field of precious metal regeneration metallurgy. A two-phase oxidation transfer system is adopted, and a chlorine-containing water phase is added into an in-situ active chlorine electrolysis unit for in-situ electrolysis to generate an active chlorine water phase; the method comprises the following steps: introducing carbon monoxide and an active chlorine water phase into a two-phase contact unit, fully mixing and contacting with the pretreated rhodium-containing organic waste liquid, sequentially carrying out multi-stage oxidation-transfer reaction to obtain an oxidation-transfer reaction mixture, introducing the oxidation-transfer reaction mixture into a phase separation unit, and carrying out gravity separation to obtain a lower rhodium-containing water phase and an upper organic phase, an upper-layer organic phase returns to the first-stage mixing unit or the organic phase collecting unit through a three-way pipe I according to the content of the rhodium element, and a lower-layer rhodium-containing water phase flows into the in-situ active chlorine electrolysis unit through a three-way pipe II or flows into the water-phase product collecting unit as a rhodium-rich water phase through the three-way pipe II. According to the method, the stable treatable rhodium-rich water phase is obtained, and meanwhile, the organic phase is reserved and recycled.

The invention provides a method for preparing synthesis gas through ultrasonic-enhanced carbonate hydrogenation, which comprises the following steps: step 1, ultrasonic pretreatment: placing carbonate in an ultrasonic field for pretreatment, and weakening the bonding strength of metal-oxygen polar bonds in the carbonate through ultrasonic action; 2, hydrogenation coupling pyrolysis: placing the carbonate subjected to ultrasonic pretreatment in a reaction device, and collecting solid-phase carbonate; and placing the solid-phase carbonate in a reaction device, introducing reducing gas as reaction gas, and carrying out a coupling pyrolytic reaction under a normal pressure condition, so that carbon dioxide generated by carbonate decomposition is subjected to in-situ reduction by the reducing gas, and the synthesis gas with carbon monoxide as a main carbon-containing component is prepared. According to the method, a catalyst is not needed, the problem of high energy consumption of a traditional process is solved, and the reaction selectivity is improved through the ultrasonic-enhanced directional catalysis effect.

The invention discloses an aquatic product dyeing microwave vacuum processing device, and belongs to the technical field of microwave vacuum processing.The aquatic product dyeing microwave vacuum processing device comprises a supporting frame, the center of the supporting frame is fixedly connected with a supporting plate, and the top of the supporting frame is fixedly connected with a microwave drying mechanism; the center of the microwave drying mechanism is provided with a material jacking mechanism, and the outer wall of the material jacking mechanism is provided with a rotating mechanism. By designing the rotating mechanism, when aquatic products are dyed and subjected to microwave drying processing, the microwave cylinder slowly rotates under the action of the motor, so that the aquatic products on the discharging plate can be in better contact with carbon monoxide or microwaves in the closed microwave cylinder, the dyeing efficiency and the drying efficiency are improved, the one-time processing quality is high, and the product quality is improved. Secondary repeated processing is not needed, and the cost is reduced.

This invention discloses a method for photocatalytic coupling of carbon monoxide and ammonia to synthesize urea. The method involves mixing a photocatalyst and ammonia in a reaction atmosphere containing carbon monoxide, followed by a photocatalytic reaction to obtain the urea. Compared with existing photocatalytic reduction synthesis systems for urea, this invention's method exhibits better selectivity and catalytic performance, avoids the formation of liquid-phase byproducts, and reduces the purification and separation costs of urea. This invention also found that when 20% oxygen is introduced, the method can selectively oxidatively couple carbon monoxide and ammonia to urea, maintaining a catalytic performance of 9290.67 μgh for 4 hours. ‑1 g cat ‑1 The urea production rate has a selectivity of 100%.

This invention discloses a mine ventilation control method, electronic equipment, and program product. The mine ventilation control method uses a built-in miniature sensor in the breathing mask to collect air quality parameters in the breathing zone of the breathing mask in real time, and simultaneously obtains the current location coordinates of the miner. The air quality parameters are used to calculate the real-time hazard level of the breathing zone by combining the corresponding safe thresholds for carbon monoxide concentration, fine particulate matter concentration, oxygen concentration, and the minimum safe wind speed when the particulate matter concentration exceeds the standard. When the preset hazard threshold is exceeded, the method generates and issues control commands for the rotation speed, damper angle, and / or airflow direction of the ventilation fans installed in the mine roadway, based on the miner's location coordinates, so as to minimize the hazard level in subsequent moments.

The invention relates to a complex microbial inoculant for mixed compost of sugarcane filter mud and sugarcane leaves and an application method, and belongs to the technical field of microorganisms, the complex microbial inoculant comprises a high-temperature microbial inoculant, and the high-temperature microbial inoculant is prepared from thermophilic carbon monoxide streptomyces G-4-7, brevibacillus brevis G-5-2 and thermophilic chaetomium; the medium-temperature microbial inoculum is prepared from trichoderma longibrachiatum, staphylococcus warneri LH-403 and bacillus thuringiensis LMU-81, and the medium-temperature microbial inoculum is prepared from the trichoderma longibrachiatum and the staphylococcus warneri LH-403; the complex microbial inoculant adopts a two-stage inoculation method. The complex microbial inoculant can effectively enhance degradation of lignocellulose so as to promote compost maturity, the humification degree of compost is further improved through the biological enhancement effect, the nitrogen fixation effect of the compost is facilitated, the germination index of the compost is improved, resource utilization of organic matter rich in lignocellulose can be promoted, and the environment-friendly effect is achieved. And a technical basis is provided for a green treatment mode of agricultural wastes.

This invention relates to the field of metallurgical technology, and more particularly to a method for preparing vanadium nitride using a mixed reducing gas. The method includes: grinding vanadium trioxide uniformly and pressing it into vanadium pentoxide tablets; placing the tablets in an electric furnace; first heating to 500-700°C under a nitrogen atmosphere; then introducing a mixed gas of methane, hydrogen, and nitrogen and holding for 20 minutes; then further heating to 800-850°C and holding for 20 minutes to obtain high-purity vanadium trioxide; subsequently heating to 1050-1150°C and holding for 1-5 hours to obtain crude vanadium nitride; stopping the introduction of the reducing gas and holding at 1050-1150°C for 0-4 hours under a nitrogen atmosphere; and then cooling to room temperature to obtain high-quality vanadium nitride. The technical solution mentioned in this invention features a low-temperature, short-time, and simple-to-operate vanadium nitride preparation process, enabling its large-scale application. Simultaneously, the resulting products are carbon monoxide and hydrogen, both of which can be recycled, thus helping to reduce carbon emissions.