78results about How to "Increase active point" patented technology

The invention discloses a transitional metal oxide / nitrogen-doped ordered mesoporous carbon composite material and a preparation method thereof. The preparation method comprises the following steps: carrying out inert gas calcining and removing a template to obtain nitrogen-doped ordered mesoporous carbon first by taking a mesoporous molecular sieve SBA-15 as the template, a saccharide carbohydrate as a carbon source and urea and hexamethylenetetramine as a nitrogen source; and then adding a transitional metal salt solution and introducing inert gas to calcine to obtain the transitional metaloxide / nitrogen-doped ordered mesoporous carbon composite material. The preparation method disclosed by the invention is low in cost and easy to operate. The nitrogen-doped ordered mesoporous carbon prepared by the method is clear in pore, proper in pore diameter and large in specific surface area, and nanoparticles of the transitional metal oxide are uniformly distributed and high in capacity. Thetransitional metal oxide / nitrogen-doped ordered mesoporous carbon composite material is excellent in electrochemical property and has a wide market prospect in the fields such as catalysts, electricity and heat conduction and energy-storage materials.

The invention provides a water repellent agent and a preparation method of the repellent agent as well as hydrophobic glass and a preparation method of the hydrophobic glass. The preparation method of the water repellent agent comprises the following steps of: (1) mixing a silicon-containing substance, acid, water and an organic solvent and agitating to obtain a mixture, wherein the silicon-containing substance is R-SiX3 or silicone oil; the R in the R-SiX3 is alkyl or halogenated alkyl with the carbon atom number which is more than or equal to 8; and the X is any one of halogen atom, alkoxy, acyloxy, amino and aminoxy; and (2) adding a silane coupling agent into the mixture of the step (1) and agitating to obtain the water repellent agent for the glass. A sliding angle of the hydrophobic glass prepared by the water repellent agent is greatly reduced and even tiny water drops can easily slip off on the surface of the hydrophobic glass, so that the hydrophobic performance of the glass is greatly improved.

The invention provides a magnesium oxychloride fiber light wallboard, and relates to the wallboard field in the construction materials. The wallboard is composed of the following components in parts by weight: 40 to 60 parts of magnesium chloride water solution, 20 to 30 parts of magnesium oxide, 0.1 part of fly ash, 0.2 part of slag, 0.5 part of construction waste, 0.1 part of waste ceramic, 2 parts of short glass fiber, 2 parts of straw, 2 parts of saw dust, 3 parts of perlite, and 0 to 2 parts of modifier. The formula of the wallboard comprises industrial and agricultural wastes such as fly ash, slag, mineral slag, construction wastes, broken ceramics, straws, and saw dust, thus the wastes are fully recycled and reutilized, and moreover the using amount of sands and stones is reduced, so the destroy on mountain and river bed is avoided, resources are saved, and environment is protected. The prepared magnesium oxychloride fiber light wallboard has the advantages of good water resisting property, high compressive strength, good freeze resisting performance, good acid / alkali resistant property, no halogen appearance, no scumming, and no deformation.

The invention relates to a hydrofining catalyst of diesel oil, comprising a carrier and active constitutes. The active constitute is one or more of the VIB group metals and the VIII group metals, wherein, the carrier is composed of one or more of SAPO-5, SAPO-11, ZSM-22 and ZSM-23 molecular sieves which have one-dimensional pore canals, and gamma-Al2O3. The invention further discloses a preparation method of the catalyst on the basis of disclosing the hydrofining catalyst of diesel oil. The hydrofining catalyst prepared by the method in the invention can prevent the diesel oil distillates from cracking, realize the aromatics hydrogenation saturation of poor quality diesel oil, and simultaneously effectively realize the desulfuration and denitrification of poor quality diesel oil.

The invention discloses a gas sensor based on polyaniline / stannic oxide composite nanofibers and a preparation method thereof. The gas sensor comprises a substrate, an interdigitated microelectrode and a gas sensitive material. The gas sensitive material is polyaniline / stannic oxide composite nanofibers prepared through the combination of electrostatic spinning and a low-temperature hydrothermal method. The structure of the nanofibers obtained through electrostatic spinning has the large specific surface area, the active sites of adsorption of the gas sensitive material and gas are added, metal salts contained in the nanofibers processed through the low-temperature hydrothermal method are converted into nano-structure stannic oxide in situ, and the gas response sensitivity, resilience and stability of the sensor under the room temperature are improved due to the p-n junction formed by p-type polyaniline and n-type stannic oxide. The preparation method of the gas sensor is simple, no complex equipment is needed, the reaction temperature is low, and the gas sensor is suitable for large-scale production.

The invention provides a method for preparing a chromium removal enhancer. The method comprises the following steps: (a) calcining kaolin, mixing the calcined kaolin and an acid solution, performing suction filtration, and washing and drying the obtained solid; (b) mixing the kaolin obtained in the step (a) and an mixed solution, and reacting to obtain the chromium removal enhancer, wherein the mixed solution is a mixed solution of a reducing agent, an antioxidant, an enhancer and water. According to the chromium removal enhancer prepared by the invention, the kaolin is taken as a raw material, the reducing agent, the antioxidant and the enhancer are mixed with the modified kaolin, and the chromium removal enhancer is obtained after the reaction. According to the chromium removal enhancer prepared by the invention, due to dual effects of adsorption and reduction, hexavalent chromium in cement is effectively removed, and physical properties of the cement are improved. The invention also provides the chromium removal enhancer prepared according to the method.

The invention belongs to the field of high polymer materials, and discloses a flame-retardant insect-proof antibacterial mat for a floor carpet.The flame-retardant insect-proof antibacterial mat is prepared from low-density polyethylene, high-density polyethylene, decabromodiphenyl ether, polyethylene resin, zinc stearate, antimonous oxide, polyethylene wax, medical stone, natamycin, beta-cyclodextrin, chitosan, silane coupling agent, traditional Chinese medicine additives, citric acid, foaming agent, monoglyceride and color master batch.The product is a green and pollution-free product and has high flame retardance and good insect-proof and antibacterial performance, can restrain breeding of viruses, insects, mites, ants and the like for a long time, can effectively protect the floor carpet, and is harmless to human bodies and free of hidden health and safety dangers in the use process.

The invention discloses a preparation technology of a nitrogen-doped mesoporous carbon composite metal oxide electrode material for a supercapacitor, wherein the preparation method comprises the following steps of firstly, taking a mesoporous molecular sieve SBA-15 as a template agent, taking carbohydrate as a carbon source, and taking urea and hexamethylenetetramine as a nitrogen sources, performing calcining by inert gas, and removing the template agent to obtain nitrogen-doped mesoporous carbon; then, adding a metal salt solution, introducing inert gas for calcining to obtain a nitrogen-doped mesoporous carbon composite metal oxide composite material; and then mixing the material with polytetrafluoroethylene (PTFE) ) and the carbon black and then performing coating, pressing and dryingto obtain the nitrogen-doped mesoporous carbon composite metal oxide electrode material for the supercapacitor. The preparation method disclosed by the invention is low in cost and simple and convenient to operate. The nitrogen-doped mesoporous carbon prepared by the method disclosed by the invention is clear in pore passage and appropriate in pore size, the specific surface area is large, the distribution of the transition metal oxide nano particles is uniform, and the loading capacity is large. The electrochemical performance of the nitrogen-doped mesoporous carbon composite metal oxide electrode material is excellent, so that the electrode material has a wide market prospect in the field of energy storage materials such as supercapacitors and the like.

The invention discloses an outsole sizing material for a pair of protective boots. Raw materials of the outsole sizing material comprise chloroprene rubber, butadiene-acrylonitrile rubber, styrene-butadiene rubber, a composite accelerator, organic montmorillonite, N-methylene carboxyl-2-benzothiazole sulfenamide, sulphur, high aromatic hydrocarbon oil, ethylene thiourea, mica powder, low-temperature calcined kaolin, diethylene glycol, an anti-aging agent, a liquid ethylene-propylene-terpolymer and a flame retardant. All the components are synergistic, compatibility is good, interface bonding strength is strong, insulating effect is excellent, flame retardant property is excellent, and high-low temperature resistance and waterproof and antiskid properties are relatively good, acid and alkali resistance, oil resistance and corrosion resistance are greatly improved, heat insulating property and permeability are strong, so that the outsole sizing material is soft, wear-resistant and nondeformable and also has comfort and strong generality under the premise that functional requirements are met.

The invention provides intermediate-temperature curing type phenolic resin capable of being used for producing outdoor and structural artificial boards, relating to the field of high molecular materials. The intermediate-temperature curing type phenolic resin is prepared by taking phenol, a formaldehyde solution and carbamide as main raw materials and one or more of sodium hydroxide, magnesium oxide, calcium oxide and zinc oxide as a catalyst and adding a promoter and a plasticiser; in the particular preparation process, the formaldehyde solution and the carbamide are subjected to secondary charging, and the intermediate-temperature curing type phenolic resin can be cured under the condition of the temperature of 105-110 DEG C through the technical measures of carrying out boiling reflux, enhancing the degree of initial resin reaction, and the like. Compared with the traditional phenolic resin which is applied to the artificial board production and has the curing temperature of 140-150 DEG C, the intermediate-temperature curing type phenolic resin provided by the invention has the advantages of greatly reduced curing temperature and greatly enhanced production efficiency.

The invention provides a preparation method of a nitrogen and sulfur co-doped graphene oxide grafted polyaniline / MoS2 electrode material. According to the method, graphene oxide is used as a carrier, pyrrole is used as a nitrogen source, thiophene is used as a sulfur source, and nitrogen and sulfur co-doped graphene oxide is obtained through a series of polymerization, activation, pre-oxidation and carbonization; the nitrogen and sulfur co-doped graphene oxide is subjected to acid activation, thionyl chloride modification, p-phenylenediamine modification and aniline polymerization to obtain nitrogen and sulfur co-doped graphene oxide grafted polyaniline; and MoS2 is loaded onto the nitrogen and sulfur co-doped graphene oxide grafted polyaniline through a hot water reaction to obtain the nitrogen and sulfur co-doped graphene oxide grafted polyaniline / MoS2. According to the nitrogen and sulfur co-doped graphene oxide grafted polyaniline / MoS2 electrode, the specific capacitance is larger than 400 F / g under the condition that the current density is 1A / g, and the capacitance is 80% or above of the initial value after the nitrogen and sulfur co-doped graphene oxide grafted polyaniline / MoS2 electrode is recycled 800 times.

The invention discloses a visible-light catalyst of C60 implanted into a mesoporous CdS / TiO2 duct and a preparation method of the catalyst. The method concretely comprises the following steps: firstly, implanting a C60 quantum dot into a CdS / TiO2 duct of an ordered mesoporous structure by adopting an evaporation induced self-assembly method, and then synthetizing the C60 quantum dot-modified CdS / TiO2 light catalyst with the ordered mesoporous structure by using an ion exchange method, wherein the C60 is embedded into a hole wall skeleton of the mesoporous TiO2. The visible-light catalyst has the significant characteristics that 1) the visible-light catalyst has an excellent electron conduction role of C60, photogenerated electrons and cavities are prevented from being compounded again, and the photocatalytic process is facilitated; 2) the C60 is introduced to a semiconductor surface and expected to replace precious metal catalysts such as Pt, so that photocatalytic active points are increased; 3) the preparation method of the composite material is simple. The catalyst has the characteristics of visible-light response and the like, so that the visible-light catalyst has certain application value in the aspects such as photocatalytic water hydrogen production, a solar cell and degradation of environmental pollutants.

The invention discloses a method for preparing polyfunctional group containing compatilizer with controllable polarity. The method comprises the following steps that 1, after a glycidyl alkyl salt compound is added into an aqueous solution containing nano particles to react for 1 h to 3 h, an intermediate 1 is obtained; 2, epoxy chloropropane is dropwise added into polyethylene polyamine, reacting is carried out for 6 h to 12 h at the temperature of 90 DEG C to 100 DEG C, rotary evaporation is carried out, and an intermediate 2 is obtained; 3, non-polar polymer graft and the intermediate 2 are mixed in a solvent, a phase transfer catalyst is added, reacting is carried out for 5-12 hours at the temperature of 100 DEG C to 160 DEG C, and an intermediate 3 is obtained; 4, the intermediate 1 and the intermediate 3 are mixed in a solvent, a phase transfer catalyst is added, reacting is carried out for 4-12 hours at the temperature of 80 DEG C to 130 DEG C, and the product is obtained. The obtained compatilizer contains a polar part with high activity, the grafting rate of the compatilizer is high, the characteristic that a large number of reaction activity points are provided for two incompatible phases in the blending process is guaranteed through rich polar functional groups on the solvent, and the interface bonding force is improved.

The invention relates to a high-performance uniform-shrinkage-rate PET composite material and a preparation method thereof. The PET composite material consists of the following components in parts by weigh as follows: 80-100 parts of PET, 6-10 parts of basalt fibers, 10-16 parts of mica powder, 0.1-0.5 part of an antioxidant and 0.1-0.3 part of a lubricant. According to the invention, the prepared PET composite material has excellent mechanical properties and uniform lateral and longitudinal shrinkage rates, ameliorates the problems that the impact property of PET composite materials is low and the shrinkage rate of the PET composite materials is not uniform. positive nitrogen ions N<+> are introduced to the surfaces of the basalt glass fibers through plasma processing, so that the active sites of the surfaces are increased, and the surface polarity is improved, and accordingly the attractive force and adhesive ability of the glass fiber surfaces are increased and the compatibility of the glass fibers and PET matrix is improved.

The invention discloses a metal organic framework material HKUST-1 and a preparation method thereof. The preparation method comprises: (1) adding HKUST-1 crystal seed to a first solvent, and performing first ultrasonic treatment to obtain a crystal seed-containing mixed slurry A; (2) adding trimesic acid and a copper salt to a second solvent, and dissolving to obtain a solution B; and (3) mixing the solution B and the mixed slurry A, carrying out a synthesis reaction under heating reflux and stirring, filtering after the synthesis reaction, washing, and drying to obtain the metal organic framework material HKUST-1. According to the present invention, with the method, the crystallization reaction can be accelerated, the crystal nucleus growth period of the product is shortened, the relativecrystallinity of the product can be improved, the generation of the miscellaneous crystals can be reduced, the yield of the metal organic framework material HKUST-1 can be substantially improved, andthe production cost of the product can be reduced.

The invention discloses a ZnFe2O4 nitrogen-doped nanometer fiber composite electrode material and a preparation method thereof. The composite material comprises nitrogen-doped carbon nanometer fiber and ZnFe2O4 ultramicro nanoparticles embedded into the nitrogen-doped carbon nanometer fiber. The preparation method is an in-situ growth process and comprises the steps of firstly, mixing a ferric salt, a zinc salt and polyacrylonitrile in a dimethyl formamide solution according to different proportions; secondly, preparing a ZnFe2O4 / nitrogen-doped carbon nanometer fiber precursor by an electrospinning technology; and finally, performing stabilization, carbonization and low-temperature induction on the precursor to obtain the ZnFe2O4 nitrogen-doped nanometer fiber composite electrode material.The ZnFe2O4 / nitrogen-doped nanometer fiber composite electrode material prepared by the method shows high specific capacity, long cycle lifetime and favorable rate performance when used as a supercapacitor electrode material. The method has the characteristics of simple process, low cost, high controllability, industrial production on a large scale and the like.

The invention relates to an electrode as well as a preparation method and application thereof. The electrode takes titanium or a titanium alloy as a base material, wherein a composite material coating is coated on the outer surface of the base material; the composite material layer is prepared from composite materials solution through coating, drying and sintering; the composite materials solution is nanometer solution formed through dissolving transition metal elements in ethyl alcohol; the nanometer solution takes particles of transition metal as solutes; the transition metal elements are iridium, platinum, cerium, yttrium, tantalum, cobalt and titanium in mole ratio of (15-20): (8-10): (5-15): )13-19): (9-17): (16-23): (30-50). The coating of the electrode is difficult to fall off and the electrode is long in service life.

The invention provides a jeans garment shaping liquid as well as a preparation method and an application thereof in an ultraviolet light photocatalytic shaping and finishing method and relates to a jeans garment shaping liquid. The jeans garment shaping liquid comprises the following components in percentage by weight: 5.0-15.0 percent of polycarboxylic acid, 3.0-9.0 percent of sodium hypophosphite, 0.1-2.0 percent of Fe<3+>doped nanometer titanium dioxide, 1.0-5.0 percent of penetrating agents, 2.0-5.0 percent of formaldehyde-free environmentally-friendly stiffening agents, 3.0-5.0 percent of smooth brighteners and 59.0-85.9 percent of water. The invention also relates to the jeans garment ultraviolet light photocatalytic shaping and finishing method by adopting the shaping liquid, which comprises the following steps of: carrying out plasma radiation treatment on a part of a jeans garment required to be shaped, spraying the shaping liquid onto the treated part of the jeans garment, pre-drying on a drying tunnel-type drying oven and crinkling the treated part of the jeans garment; then carrying out photocatalytic shaping on the treated parts; and finally washing and drying. The method is high in catalytic efficiency, is environmental-friendly and energy-saving and is high in production efficiency. The finished jeans garment is durable, is good in shaping effect and good in handfeel and gloss, is environmental-friendly and generates no formaldehyde emission.

The invention discloses a double-component hydrophobing agent and application thereof. The hydrophobing agent contains a component A and a component B, wherein the component A is a hydroxy-rich ethyl orthosilicate hydrolysis solution; and the component B is a perfluoro solvent solution in which long-chain fluoroalkyl silane is dissolved. By adopting the double-component formula, after the component A, which is the hydroxy-rich ethyl orthosilicate hydrolysis solution, reacts with the glass surface, the hydroxy content of the glass surface can be enhanced, thereby increasing the active reaction sites with low-surface-energy substances; the component B is the perfluoro solvent solution in which long-chain fluoroalkyl low-surface-energy silane is dissolved, and the perfluoro solvent can improve the solubility of the long-chain fluoroalkyl low-surface-energy silane, thereby preventing polymerization and crystallization; and the perfluoro solvent is hardly soluble in water, thereby avoiding water in the system and enhancing the reaction density between the long-chain fluoroalkyl low-surface-energy substances and the hydroxy group on the glass surface. The double-component formula can greatly enhance the durability of the hydrophobic film layer.

The invention discloses a carbon powder reinforced resin based composite friction material and a preparation method thereof. The composite material is prepared from 55% of carbon powder, 30% of cashew nut shell oil modified phenolic resin, 5% of nitrile butadiene rubber, 5% of graphite and 5% of silicon carbide powder, wherein the sum of all the components is 100%. The preparation method comprises the following steps of modifying carbon powder, graphite and silicon carbide powder by using a silane coupling agent, and then, drying; mixing carbon powder, graphite, silicon carbide powder, resin and nitrile butadiene rubber; paving; carrying out compression molding; cooling for molding to obtain the composite material with a certain specification. Meanwhile, the prepared composite friction material is favorable in frictional wear property and wide in application range.

The invention provides a preparation method of a nitrogen-sulfur co-doped graphene oxide grafted polythiophene-co-pyrrole / Co3O4 electrode. The preparation method comprises the following steps of 1, preparing the nitrogen-sulfur co-doped graphene oxide; (2) preparing the nitrogen-sulfur co-doped graphene oxide grafted polythiophene-co-pyrrole; 3, preparing the nitrogen-sulfur co-doped graphene oxide grafted polythiophene-co-pyrrole / Co3O4; and 4, preparing the nitrogen-sulfur co-doped graphene oxide grafted polythiophene-co-pyrrole / Co3O4 electrode. The preparation method has the characteristics of stable process, easiness in operation, reliable quality, low cost, light weight, no pollution and the like, and has a good commercial prospect.

The invention discloses a coal-fired flue gas mercury removal adsorbing agent and a preparation method and application thereof. The coal-fired flue gas mercury removal adsorbing agent is mainly prepared through drying, smashing and calcining after amorphous-carbon-based carrier chabasite is modified with an active substance copper chloride solution. The preparation method includes the steps that the chabasite is modified with the copper chloride solution, and then drying, smashing and calcining are conducted. The coal-fired flue gas mercury removal adsorbing agent is low in cost, wide in applicable temperature range and high in adsorbing capacity and adsorption efficiency, and can be effectively applied to treating coal-fired boiler smoke mercury pollutants.

The invention provides a metal loaded activated carbon modified silk protein porous membrane and preparation and application methods thereof. The metal loaded activated carbon modified silk protein porous membrane is composed of silk protein and loofah sponge sheet-like activated carbon materials loaded with gold, platinum, palladium, titanium, iron, manganese or cerium. The preparation process ofthe metal loaded activated carbon modified silk protein porous membrane comprises processing the peripheral fiber of loofah sponge into sheets, performing pretreatment through dilute alkali, and thoroughly immersing the raw materials into sugar alcohol solution containing metal salt; inletting nitrogen into the solution to form tiny bubble clusters, performing immersion treatment, extracting andthen squeezing the materials to remove superfluous sugar alcohol solution, and performing drying, curing and high-temperature carbonization treatment to obtain loofah sponge sheet-like activated carbon materials; mixing the loofah sponge sheet-like activated carbon materials with the silk protein solution; performing electrophoresis treatment to obtain hydrogel, freeze-drying the hydrogel in vacuum to obtain the metal loaded activated carbon modified silk protein porous membrane. The prepared metal loaded activated carbon modified silk protein porous membrane achieves absorption, oxidation catalysis and protein immobilization, and is significant in processing effects and free from the potential risk of secondary pollution.

The invention relates to a photocatalyst, in particular to a conjugated polymer photocatalyst for decomposing aquatic hydrogen under visible light. Firstly, urea is heated and melted at 120-160 DEG C,then melamine formaldehyde resin is added, and stirred to form a uniform mixed solution, the uniform mixed solution is cooled to room temperature, ground, heated to 550-750 DEG C at a heating rate of3-5 DEG C / min, and calcined at 550-750 DEG C for 2-4 hours to obtain the porous nitrided carbon-based conjugated polymer photocatalyst; and the prepared porous nitrided carbon-based conjugated polymer photocatalyst is applied to study the decomposition of water to produce hydrogen under visible light.

The invention relates to a whole-component separation system and method for coking flat coal slime, and belongs to the technical field of coal slime separation. The defect of a technology for recycling low ash fine coal from middling coal in the prior art is overcome, and the problem of waste of clay mineral resources such as kaolin in the prior art is solved. The whole-component separation systemfor the coking flat coal slime comprises a middling coal separation operation device which comprises rod mills, a second-section grading cyclone, flotation columns and a first slurry mixing machine.According to the separation method for the coking flat coal slime, middling coal separation operation comprises the following steps that bottom flow coarse particles of a first-section grading cycloneare screened, first-section rod milling, second-section rod milling, slurry mixing, coarse separation and fine separation are conducted to obtain a light product and heavy product flotation waste coal, and the light product serves as a middling coal product to be discharged to complete coking flat coal slime middling coal recovery. According to the whole-component separation system and method forthe coking flat coal slime, whole-component separation of the coking flat coal slime can be achieved.

The invention relates to a three-layer-structured polyaniline@molybdenum disulfide@ferriferrous oxide composite nanowire wave-absorbing material and a preparation method. The method comprises: reacting sodium molybdate with an aniline monomer to obtain polymolybdate nanowire, carrying out an in-situ polymerization reaction to obtain uniform polyaniline@polymolybdate nanowire, growing a molybdenumdisulfide sheet layer on polyaniline nanowire in a vertical self-assembly manner through a hydrothermal reaction, and modifying the surface of polyaniline@molybdenum disulfide composite nanowire withferriferrous oxide ferromagnetic nanoparticles. The impedance matching performance of the polyaniline@molybdenum disulfide@ferriferrous oxide composite material is improved, the magnetic loss of magnetic nanoparticles is fully utilized, and the microwave-absorbing performance of the composite material is improved.

The invention discloses bagasse activated carbon and a preparation method thereof. A preparation process mainly includes steps: taking bagasse as a raw material, and sequentially performing cleaning, primary activation with chemical agents, drying, high-temperature carbonization, soaking in diluted acid, surface oxidation under 3-20V voltage, residual activator cleaning and secondary activation with physical gas to obtain high-performance bagasse activated carbon. By secondary activation for activated carbon preparation, the chemical agents are adopted for activation prior to physical activation, and accordingly surface area of the activated carbon can be further improved. By voltage oxidation treatment of semi-finished activated carbon, a great quantity of oxidation groups are added, and active points in secondary activation are increased while activation efficiency is improved. The preparation process is simple, convenient and environment friendly. The prepared activated carbon has advantages of large specific surface area, small pore diameter, high adsorption capacity and the like.

The invention specifically relates to a benzene hydrorefining catalyst, and a preparation method and application thereof, belonging to the technical field of benzene hydrorefining catalysts. The preparation method comprises the following steps: S1. Uniformly mixing raw materials for a carrier of the benzene hydrorefining catalyst, carrying out extrusion granulation, and then carrying out sinteringmolding at 680 to 700 DEG C to obtain the carrier; S2, adding phosphoric acid into water with a temperature of 46-50 DEG C, carrying out uniform mixing, then carrying out heating to 88-92 DEG C, adding cobalt carbonate for a reaction, then adding molybdenum trioxide after gas release of the reaction is completed, and then carrying out mixing and dissolving to obtain an activation solution; S3, placing the carrier in an enclosed reactor, and carrying out multi-stage high-temperature activation; and S4, carrying out cooling to room temperature to obtain the benzene hydrorefining catalyst. According to the invention, phosphoric acid and rare earth metals are added into the benzene hydrorefining catalyst, so dispersion of the active component molybdenum is facilitated, the specific surface area of the catalyst is larger and more uniform, and active sites are increased; moreover, the preparation method is simple and employs a multi-stage high-temperature activation manner for activation, so the water content of the catalyst is reduced, the water resistance of the catalyst is improved, and the service life of the catalyst is prolonged.

The invention belongs to the technical field of filtering materials, and particularly relates to a filtering material for removing carbon monoxide. The filtering material comprises microfibers, micron-scale particles and a nano-catalyst, wherein the joint points of the microfibers and the micron-scale particles are sintered together to form a porous composite material of a three-dimensional mesh structure; and by taking the micron-scale particles as a carrier, and the nano-catalyst is evenly bound in the porous composite material. The carbon monoxide filtering material is wide in application range, can be used in room-temperature and high-temperature environments, and has a nano-scale pore structure; the adsorption surface area and the adsorption capacity of the nano-catalyst are expanded, the contact area between a reactant and the catalyst is expanded, the mass transfer efficiency and the heat transfer efficiency of a reactant and catalyst adsorption process, and a product and catalyst desorption process are improved, and the reaction efficiency is improved.