2467results about How to "Suitable for industrial applications" patented technology

The invention relates to an anti-bacterial thermoplastic composite, which comprises the following mixed components: 100 parts of thermoplastic by weight and 0.1-40 parts of composite antibacterial agent by weight, wherein the composite antibacterial agent comprises micronano inorganic / organic particles and guanidinesalt polymers which are coated on the surfaces of the micro / nano particles and / or embedded among pores and layers of the micronano particles; the weight ratio of the guanidinesalt polymers to the micro / nano particles is 1:1-1:50; and the micro / nano particles have at least a one-dimensional average size of 1nm-1000mum. The anti-bacterial thermoplastic composite is obtained by melting and mixing the components such as the thermoplastic, the composite antibacterial agent, and the like, therefore the antibacterial rate of the anti-bacterial thermoplastic composite is higher and the preparation method is simple.

The invention relates to a preparation method of a catalyst composition. The precursor of NixWyOz composite oxide is generated by co-precipitation method, and then mixed with MoO3, filtered, shaped and activated to become the final catalyst. The method for generating the precursor of the NixWyOz composite oxide by the co-precipitation method is: preparing the salt mixed solution A containing active metal Ni, W components and additives according to the ratio of catalyst components. Sodium metaaluminate solution B is prepared according to the proportion of catalyst components. Solution B and solution A flow into a reaction tank equipped with clean water to form a gel, and a gel-like mixture is formed, which is the precursor of the composite oxide NixWyOz. The catalyst metal prepared by the method of the invention is evenly dispersed and has high performance, especially higher activity for the process of deeply removing impurities of hydrocarbons. Moreover, the method of the invention is simple and convenient, and the metal loss rate is low. The method of the invention is mainly used for preparing bulk phase catalysts with higher metal content.

The invention provides a method for extracting lithium salts in lithium-containing brine. Lithium is extracted through a co-extraction agent, an extraction agent and a diluent, wherein the extract is a mixture of an amide compound and a neutral phosphorus oxide compound, the structural formula of the amide compound is shown in the specification, and the structural formula of the neutral phosphorus oxide compound is shown in the specification. The method provided by the invention further optimizes the properties of extracted lithium, so that the method is more applicable to the industrial application.

The invention relates to a method for purifying sesamin and sesamolin in sesame oil, which comprises the steps of: separating lignanoid compounds without fat constituents from the sesame oil first; adding ether into the lignanoid compounds to precipitate the sesamin; performing the filtration; dissolving an obtained filtrate by chloroform after concentration under reduced pressure, adding petroleum ether into the mixture until white opacity appears; heating and dissolving the obtained solution; and standing the obtained solution to precipitate the sesamolin. The method for purifying the sesamin and the sesamolin has the advantages of simple operation, safety, economization, strong process stability and the like, and is particularly suitable for industrialized application; and the method can synchronously obtain high-purity sesamin and sesamolin, and achieve the aim of comprehensive utilization.

The invention relates to a method for preparing nanometer silver powder with accurately controlled particle size, which comprises the following steps of: taking silver nitrate as a starting material, and reacting with a precipitant to form a uniform silver-containing precursor precipitate; and adding a reducing agent for reducing the silver-containing precursor precipitate while adding a silver crystal seed to obtain simple substance silver. The obtained silver powder particle is polyhedral or almost spherical, the powder body has good dispersity and uniformly distributed particle size, and particle size of the silver powder can be accurately controlled in the range of 20-300nm by controlling crystal seed size and addition. The invention is the method for preparing water solution system of nanometer silver powder which has accurately controlled particle size and is suitable for large scale production under normal temperature and normal pressure condition. The preparation method has moderate reaction condition and is simple and convenient, and the nanometer silver powder has low cost and stable quality.

The invention discloses a buffering and energy absorbing structure. The buffering and energy absorbing structure comprises a housing. The buffering and energy absorbing structure is a multi-layer metal grid structure or porous bubble structure filled in the housing; the metal grid structures or porous bubble structures of adjacent layers are lengthways alternatively overlapped in positive and negative poisson ratio; the metal grid structure in the positive poisson ratio is composed of a three-dimensional honeycomb grid structured formed by array type regular hexagonal pore grids; the metal grid structure in the negative poisson ratio is composed of a three-dimensional stretching and expanding grid structure formed by array type concave angle pore grids; the meshes of the porous bubble structure in the positive poisson ratio are of an array type rhombus structure; the meshes of the porous bubble structure in the negative rhombus structure are of an array type four-star shaped structure. Compared with the traditional buffering and energy absorbing structure, the buffering and energy absorbing structure can effectively reduce the peak value of the impact force, so that the whole energy absorbing process is stable, and as a result, the energy absorbing efficiency of the structure can be increased.

The invention relates to a biomass analgesic liquidation method and its twin-tower set system, the processes of which comprise the following steps: sending biomass to pyrolytic reaction tower and blending it with high-heat fluidized gas to subject biomass to pyrolytic cracking; separating thermal cracking gas with carbon residue and ash content in separator; and condensing thermal cracking gas to biological oil in condenser. In the process, heat-carrying agent is exported from pyrolytic reaction tower along with thermal cracking gas, carbon residue and so on, and carbon residue is used to preheat heat-carrying agent. The invention is special for heat-carrying agent heating tower to burn carbon residue and primary separator to separate heat-carrying agent, carbon residue and other materials. The invention can not only increase circulation rate to ensure uniform and stable temperature field in pyrolytic reaction tower, higher heating rates and shorter detention period of gas phase, but also make use of carbon residue as heat source by using existing apparatus.

The main componens of copper base catalyst are copper, zinc, nickel, magnesium, aluminium, chromium, iron and partial oxide of rare earth metal, in which (by oxide content) CuO is 20-55%, ZnO, NiO or MgO is 20-55%, Cr2O3, Al2O3 of Fe2O3 is 10-40% and rare earth metal oxide is 0-10%. Said catalyst can be made up by roasting catalyst precursor with hydrotalcite-like structure obtained by coprecipitation of salts of various metals. Said catalyst can effectively treat industrial organic waste water containing phenol, sulfosalicylic acid, H-acid and surfactant, etc., not only possesses higher catalytic activity, but also can control the loss of active components.

The invention relates to a novel method of SAPO-34 molecular sieve membrane for selectively separating methane gas by crystal guidance and secondary synthesis. The method includes three steps, namely synthesizing crystal seed, preparing basement membrane of crystal seed and synthesizing SAPO-34 molecular sieve membrane, in particular to the following steps: phosphoric acid, TEAOH and silica sol are added into adequately hydrolyzed aluminium isopropoxide to prepare a crystal seed solution of the molecular sieve and the molecular sieve composite mother solution; the crystal seed solution of the molecular sieve is prepared to be suspension after crystallization and rinsing for dripping onto a treated carrier; a basement membrane of crystal seed acquired is placed in a reaction kettle and is added with the molecular sieve composite mother solution for crystallization at a temperature ranging from 150 DEG C to 180 DEG C for 3 through 20 days, which is taken out for cleaning and drying and then is followed with actively removing a template agent at a temperature ranging from 400 DEG C to 600 DEG C. Synthesizing the molecular sieve membrane with the method of the invention is suitable for various porous supports with smooth surface, which is of high repetitiveness, good orientation, excellent separating property and ultrahigh gas permeability and is suitable for industrial application.

The invention relates to a treatment method of phosphorus-containing waste water, comprising the following steps of: (1) adding an oxidizer to the phosphorus-containing waste water to regulate pH to be acidic, stirring for oxidation; (2) adding a coagulant to oxidized treating water, regulating the pH to be alkaline, stirring, wherein the coagulant is a composite reagent comprising ferrum, aluminum, calcium and ferrum, aluminum and calcium ions, and the mass ratio of the ferrum to the aluminum to the calcium is (1-2):(0-2):(0-1); (3) adding a coagulant aid solution to the treating water subjected to coagulation reaction, stirring, and participating outflow water; and (4) absorbing and filtering the participated outflow water, and then discharging. The invention can effectively remove the phosphorus-containing compounds contained in the waste water and reduce the turbidity of the outflow water, has the characteristics of simple process flow, high treatment efficiency, and the like and is one of effective methods for treating the phosphorus-containing waste water and especially treating the phosphorus-containing waste water with a non-orthophosphate form.

The invention discloses a transfer preparation method of patterned graphene, which comprises the following steps: coating an adhesive material on a graphene surface, which grows on a catalytic metallic substrate, according to a designed pattern; coating a PDMS (polydimethylsiloxane) layer on the graphene surface, and thermosetting; soaking the obtained sample in an etching solution to remove the catalytic metallic substrate, so that the graphene with the adhesive material and the PDMS floats in the solution; transferring the graphene with the adhesive material and the PDMS onto a target substrate; and stripping the PDMS from the target substrate to obtain the patterned graphene. The method disclosed by the invention does not limit the use of materials of the target substrate; when stripping the PDMS, an expected pattern can be obtained without causing additional structure damage on the graphene, and meanwhile, the graphene surface is kept clean; and the invention can be used for preparing patterned graphene without expensive etching equipment.

The invention provides a positive plate of a lithium ion battery. The positive plate comprises a positive current collector and a positive active substance layer, wherein the positive active substance layer is coated on the positive current collector and contains a positive active substance, a conductive agent, a binding agent and a lithium-rich compound, and the lithium-rich compound decomposes to generate lithium ions and release one or more of a gas, conductive carbon and a substance having electrochemical lithium storage activity during formation charging of the lithium ion battery. The generated lithium ions are transferred to a negative electrode from a positive electrode and take participation in reaction with the negative electrode (react with a decomposed product of an electrolyte to form an SEI film at the negative electrode) to supplement to lithium required for forming the SEI film, thus, the lithium ion consumption of the positive active substance can be reduced, and the energy density and the cycle performance of the lithium ion battery are improved. The invention also provides a preparation method for the positive plate of the lithium ion battery, the lithium ion battery applying the positive plate of the lithium ion battery and a preparation method of the lithium ion battery.

The invention discloses a high-temperature manganic acid lithium cathode material and a preparation method thereof. Single crystal particles of the cathode material consists of a matrix and solid electrolyte which clads the surface of the matrix; the matrix is spinel manganic acid lithium which is doped with anions and cations; and the chemical formula of the material is Li1.05MxMn2-xO4-yQy, wherein M represents the doped cations; and Q represents the doped anions. The preparation method comprises the following steps of: firstly, preparing the spinel manganic acid lithium which is doped with the anions and the cations through solid phase reaction; secondly, synthesizing by using a molten-salt growth method to control a crystal form, and preparing the spinel manganic acid lithium having the particle size of 3 to 5 microns and the characteristic of an octahedron single crystal; and finally, cladding the spinel manganic acid lithium by using the solid electrolyte after the crystal form is controlled. The cathode material has high high-temperature performance and high rate cycle performance, and can be applied to electric automobiles or other kinds of lithium ion power batteries.

A display screen of touch type is prepared for using top base plate in display component also as bottom base plate of touch screen, plating conduction layer on external surface of top base plate in display component and arranging electrode used as an operation surface of touch screen on said conduction layer then integrating display component and touch screen to be an unified body.

The invention discloses a method for preparing a wear-resisting super-hydrophobic coating through a cold spraying technology and a product of the method. The method comprises the following steps that firstly, the surface of a base body is roughened; secondly, sprayed powder is modified with low-surface-energy matter; and thirdly, the wear-resisting super-hydrophobic coating is prepared on the surface of the base body through the cold spraying technology. The static contact angle of the coating prepared through the method can be 150-180 degrees, the rolling angle of the coating is smaller than 10 degrees, and good super-hydrophobicity is achieved. According to the method, the product of a non-stick pan is prepared and has good wear resistance and non-stick performance, and compared with non-stick pans in the market, the product is more resistant to wear and has the great competitive potential in the field. In addition, the method can be used for preparing different wear-resisting super-hydrophobic coatings based on different base materials (such as metal, ceramic, glass and plastic), and the application range is wide.

A jetting device for a low-temperature plasma generated by the atmospheric dielectric barrier discharge relates to the technical field of the application of gas discharge plasma. Inert gas and air are used as working gas; the plasma generated in a discharge area is blown out in the form of jet; the problem of limited application range caused by the narrow parallel-plate dielectric barrier discharge area and a high plasma macroscopic temperature can be solved. The device has the structural characteristics that a hollow pipe-shaped connector is connected with a hollow dielectric pipe; an electrode coated with insulation dielectric is fixed at the center of the dielectric pipe; an annular electrode is closely attached to the outer wall of the dielectric pipe; the working gas enters the dielectric pipe from a flow meter and a retaining valve through the connector; the plasma is blown out to form the plasma jetting. The jetting device has the advantages of low plasma macroscopic temperature, large electron energy, wide expanded range, low cost, low energy consumption and high reliability; furthermore, the jetting device can used in the fields of sterilization and disinfection, the surface modification of complex-shaped material, waste gas treatment, ozone synthesis, as well as the physical and chemical fields of the discharge light source plasma.

The invention provides an antibacterial thermoplastic plastic composition comprising blended materials of thermoplastic plastic and a load-type antibacterial agent. Calculated with the weight of the thermoplastic plastic as 100 parts, the composition comprises 0.1-30 parts of the load-type antibacterial agent. The load-type antibacterial agent is an antibacterial agent loaded by powder rubber. The load-type antibacterial agent comprises an organic antibacterial agent and power rubber. The antibacterial agent is loaded on the powder rubber. An organic antibacterial agent which is in a liquid state in normal temperature or an organic antibacterial agent solution is well mixed with the powder rubber, and the mixture is subjected to standing, until the powder rubber absorbs the organic antibacterial agent which is in a liquid state in normal temperature or the organic antibacterial agent solution, such that the load-type antibacterial agent is obtained. With the method, the obtained antibacterial thermoplastic plastic composition has the advantages such as good antibacterial effect, good color, low cost, high safety, and the like. The preparation process is simple and is easy to operate. The method is suitable for industrialized application.

The invention provides a method for preparing biological flocculant by utilizing Bacillus licheniformis, which relates to a biological flocculant. The invention provides a method for preparing biological flocculant by utilizing Bacillus licheniformis, which has high flocculation activity, low cost for raw materials and great industrial application potential. A microorganism is Bacillus licheniformis. The method comprises the following steps that: lawn on a fresh inclined plane is transferred to a seed culture medium for culture and then transferred to a fermentation culture medium for culture so as to obtain biological-flocculant fermentation broth; the biological-flocculant fermentation broth is centrifuged to remove precipitate and collect supernatant; the supernatant is added with ethanol, kept to stand, centrifuged and then removed; the precipitate is added with absolute ethanol, stirred and centrifuged to remove the supernatant; ethanol precipitate is added with hexadecyl trimethyl ammonium bromide and centrifuged to remove the supernatant so as to obtain the precipitate; the precipitate is dissolved in a NaCl solution, added with the absolute ethanol, stirred, stood and centrifuged to remove the supernatant so as to obtain the precipitate; and the precipitate is frozen and dried in vacuum so as to obtain pure biological flocculant.

The invention discloses a method for producing L-2-aminobutyric acid, and the method comprises the following step: catalyzing L-threonine utilized as a raw material through an enzyme catalysis system consisting of threonine deaminase, L-amino acid dehydrogenase and coenzyme regeneration systems, thus producing the L-2-aminobutyric acid. The method for producing theL-2-aminobutyric acid has the advantages that the raw material is low in price, the property is stable, and the production cost of the L-2-aminobutyric acid can be greatly lowered, the conversion rate and product concentricity are high, no influence caused by byproducts exists, and the method is suitable for industrialization application.

The invention discloses a preparation method of functional hollow polymer microspheres. The shell of the functional hollow polymer microspheres is prepared by carrying out precipitation polymerization on a functional monomer and a crosslinking agent in different ratios; and the formed crosslinked shell has a mesoporous structure. The preparation method comprises the following steps: preparing a monodisperse polymer microsphere template by self-stabilization precipitation polymerization; directly adding the reaction system into the shell without separation to form the required functional monomer and crosslinking agent, and preparing core-shell polymer microspheres of which the shell has a crosslinked mesoporous structure by precipitation polymerization; and finally, removing the polymer microsphere core by solvent dissolution to obtain the functional hollow polymer microspheres. The technique is simple, and safe and convenient to operate, has the advantages of mild reaction conditions, no need of special equipment, high preparation efficiency, easy microsphere separation, controllable size, and very high functional group content in the polymer microspheres, and lays a foundation for large-scale industrial production of the functional hollow polymer microspheres.

The invention discloses a storehouse cleaning machine for cement storehouses. The storehouse cleaning machine for the cement storehouses comprises a base, a drill rod, a hanging mechanism, a storehouse cleaning mechanism and a swing mechanism which is used for controlling rotation of the storehouse cleaning mechanism; the hanging mechanism and the swing mechanism are arranged on the base; the hanging mechanism is connected with the storehouse cleaning mechanism through the drill rod. The storehouse cleaning machine for the cement storehouses has the advantages of enabling the storehouse cleaning mechanism shaking to be small during the storehouse cleaning process and being high in cleaning efficiency due to the fact that the hanging mechanism is connected with the storehouse cleaning mechanism through the drill rod; being applicable to various cement storehouses with different diameters, capable of being applied to cement storehouse wall with slope, convenient to utilize and wide in application range due to the extensible storehouse cleaning mechanism; being simple in structure, safe and reliable and suitable for industrialized application.

The invention relates to a carbon dioxide electrochemical reduction catalyst as well as a preparation method and an application thereof. The carbon dioxide electrochemical reduction catalyst comprises tin dioxide nanoflower, wherein the tin dioxide nanoflower is synthesized through hydrothermal reaction and comprises the synthesis raw materials including 0.1-0.5M of tin dioxide, 1-5M of trisodium citrate mixed solution and 0.1-0.5M of sodium hydroxide. The carbon dioxide electrochemical reduction catalyst is applied to a carbon dioxide electrochemical reduction catalyst gas diffusion electrode. The carbon dioxide electrochemical reduction catalyst has the advantages that the specific surface area of the catalyst is enlarged, the electrochemical reduction catalytic activity of the catalyst for carbon dioxide reduction is improved, the hydrogen evolution reaction is effectively inhibited, and the selectivity of formic acid in a product is improved.

The invention provides a preparation method for forming an electrode sheet on a flexible MXene self-supporting membrane through electroplating micro-nanometer metal particles. The invention belongs tothe preparation field of battery negative electrode materials. The technical scheme adopted by the invention is as follows: (1) etching stripping MAX with lithium fluoride and hydrochloric acid, centrifuging, washing, shaking and recentrifuging to obtain MXene suspension. (2) Flexible MXene self-supporting membrane was obtained by vacuum filtration. (3) Plating a layer of micro / nanometer metal particles on MXene film in electroplating bath at constant current or voltage. The flexible MXene self-supporting membrane prepared by the invention has good mechanical properties, It can not only simplify the process, save the cost and meet the needs of industrialization, but also can be used as negative electrode material to obtain batteries with high specific capacity, good cycling stability andbetter conductivity.

The invention relates to a tubular nanofiltration membrane with a multi-layer structure and a preparation method thereof. The tubular nanofiltration membrane with the multi-layer structure is four-layered, and the four layers comprises a first layer, a second layer, a third layer and a fourth layer from inside to outside in sequence, wherein the first layer is a microfiltration supporting tube made from a carboxyl-contained fiber knitting tube which is filled with inorganic minerals; the second layer is a ultrafiltration layer formed by coating carboxyl-contained polymer on the outer surface of the first layer; the third layer is a nanofiltration layer made of polyamide formed by interfacial polymerization; and the fourth layer is a water loving layer forming covalent binding with the third layer. The tubular nanofiltration membrane with the multi-layer structure is obtained through the steps of forming functional layers from indie to outside in sequence, and stable chemical binding is formed among layers, so that the tubular nanofiltration membrane has excellent resistance to pressure and mechanical strength, and good water loving property, water permeability and antifouling ability; and moreover, the flux reaches more than 30 L / m<2>h, the removal rate of singlevalent salt is more than 30%, and the removal rate of bivalent salt is more than 95%.

The invention provides a method for preparing low-fluorine Euphausia superba protein base materials. The method is characterized by freezing and grinding the Euphausia superba, extracting proteins under alkali condition, precipitating and separating the proteins under acid condition and acid-washing the precipitated proteins for defluorination, thus preparing the products. The water contents of the products are 82-87% and the fluorine contents of the products are lower than 2mu g / g wet basis. The method is simple and effective, can ensure the recovery rate of the crude protein of the Euphausia superba to be 39-46%, the recovery rate of the crude lipid to be 38-42%, the content of the crude protein to be 66-71g / 100g wet basis, the content of the crude lipid to be 27-30g / 100g wet basis and the content of phospholipid to be 380-420mg / g lipid and ensure the products to have high nutritional values. The method is suitable for industrial application and the prepared products are wide in use and can serve as the accessories or base materials for preparing the Euphausia superba protein powder and other food.

The invention discloses an ultraviolet-curing type optical resin adhesive. The ultraviolet-curing type optical resin adhesive consists of the following materials in parts by weight: 10-30 parts of tri-functionality polyether polyurethane acrylate which is prepared through the reaction of polyether trihydric alcohol, diisocyanate and hydroxyl acrylate, 5-40 parts of double-functionality polyether polyurethane acrylate which is prepared through the reaction of polyether glycol, diisocyanate and hydroxyl acrylate, 10-50 parts of plasticizers, 15-45 parts of acrylate reactive diluents, 1-5 parts of photoinitiators and 1-3 parts of silane coupling agents. The ultraviolet-curing type optical resin adhesive has the advantages of being simple and easily available, low in cost and suitable for industrial application and the like.

The invention provides a method for deacidifying biodiesel, comprising the following steps of: mixing the biodiesel to be deacidified with a deacidification agent containing water-soluble alcohol, water-soluble amine and water, separating out an oil phase and an aqueous phase after layering, and refining the oil phase to obtain the biodiesel with a qualified acid value. The biodiesel to be deacidified can be a biodiesel intermediate with unseparated glycerol after the ester exchange between oil and alcohol, and can also be crude biodiesel which is removed with the glycerol or / and has a product acid value still out of limits after distillation for colloid removal. The method in the invention not only can be used for conveniently removing organic acid in the biodiesel and obviously reducing the acid value of the biodiesel, but also can be used for effectively reusing or recovering the organic acid and glycerol.

The invention relates to a method for preparing garnet type Li7La3Zr2O12 electrolyte powder with a molten-salt method. The method comprises the following steps: weighing Li2CO3, La2O3 and ZrO2 and mixing; adding molten salt and uniformly mixing, and carrying out ball milling, wherein the molten salt is a mixture of KCl and LiCl; heating at 700-1500 DEG C for 2-40 hours; and taking out a product and washing off the molten salt with distilled water and ethanol to obtain nano powder. The method is fast and simple, low in cost and suitable for large-scale production. The prepared Li7La3Zr2O12 powder has small grain diameter, is uniformly distributed and has no clustering.

A method of biolization to the surface of inorganic material includes the following steps: the surface is spattered to form a tantalum oxide or a titanium oxide thin film; and then the inorganic material is put in a plasma immersion ion implantation device; after vacuumization, hydrogen, water vapour or ammonia is fed in, with gas pressure 0.05 to 50 Pa; the radio frequency discharge power is 200 to 1200W; the range value of the loaded pulse high-voltage power is 1KV to 100KV, the frequency is 50 to 40000HZ, and the duty ratio is 3 percent to 80 percent; the heating temperature is 20 to 500 DEG C; the treatment time is 0.1 to 5 hours; finally, the inorganic material is put into 10 to 100mg / mL albumin or heparin solution to be soaked for 2 to 48 hours under 20 to 40 DEG C soaking temperature. The method does not damage the activity of the biomolecule and the protein; the prepared inorganic material with biolized surface has good anti-coagulability, is used for medical blood vessel scaffolds and artificial heart valves, and can greatly improve the product performance.