62results about How to "The preparation method is energy-saving and environment-friendly" patented technology

The invention discloses a method for preparing a carbon microsphere adsorbent under catalysis of metal salt with a low-temperature hydrothermal method. The method comprises steps as follows: (1) a biomass solution with the concentration being 2wt%-20wt% and a metal salt solution with the concentration being 0.5wt%-2wt% are prepared, then mixed in the mass ratio being (2-5):1 and stirred for 5-10 min, and a reaction solution is obtained; (2) the reaction solution is transferred to a stainless steel reaction kettle, the volume of the reaction solution accounts for 60%-80% of that of the reaction kettle, the reaction solution is heated to 100-160 DEG C at a certain heating speed, reacts at the constant temperature for 8-20 hours and is naturally cooled, separated and dried in vacuum, and hydrothermal carbon microspheres are obtained; (3) the hydrothermal carbon microspheres are calcined and carbonized at the air atmosphere, and the carbon microsphere adsorbent is obtained. The preparation process of the adsorbent is simple, energy consumption is low, the reaction time is shortened to be within 24 hours, and the adsorbent has high adsorption performance for part of positive ions, particularly, uranyl ions, has excellent radioresistance, thermal stability and acid stability and can be widely used for treatment of radioactive wastewater.

The invention relates to a lithium ion battery made of a hollow porous nickel oxide composite material, and the negative electrode material of the lithium ion battery is wrapped by an N-doped carbon layer. The lithium ion battery comprises a negative electrode plate, a positive electrode plate, a bath solution and a membrane, and is characterized in that the active material of the negative electrode plate is the hollow porous nickel oxide composite material coated by an N-doped carbon layer and formed by taking an ionic liquid as a coating agent, the grain diameter of the hollow porous nickel oxide composite material is 200 to 300 nm, and the surface of the hollow porous nickel oxide composite material is coated with the N-doped carbon layer thin film distributed evenly. According to the lithium ion battery provided by the invention, the negative electrode material has a hollow porous structure coated by the unique N-doped carbon layer, the grain diameter is small, the dispersity is good, the conductivity performance of the material is good, lithium-ion and electron have a fast diffusion rate and transmission rate in the material, the lithium ion battery constructed on the basis of the material has the characteristics of good discharging performance, high cyclic stability and high capability. The invention further provides a preparation method of the lithium ion battery.

The invention discloses a porous composite biological material containing multiple active ions and a preparation method thereof, relating to the technical filed of production of medical materials. The porous composite biological material is a triple compound containing multiple active ions and calcium phosphate-silicate-calcium carbonate, and is composed of a porous ceramic structure main body containing active ions A and calcium phosphate-calcium carbonate and a phosphate-silicate cement coating, wherein both phosphate and silicate in the phosphate-silicate cement coating contain active ions B and calcium; and the phosphate-silicate cement coating accounts for 5-60% (mass percent) of the micropore structure main body. According to the invention, the exquisite three-dimensional intercommunication micropore structure of cuttlebone having extremely high porosity is kept, has excellent bone conductibility and favorable degradability, and can be subjected to stepped degradation; the release of the active ions and beneficial elements can be regulated and controlled; and the overall degradation rate of the material can be regulated according to different new bone formation requirements.

The invention discloses a preparation method for a polypyrrole-poly-dopamine composite coating. The preparation method includes the following steps that (1) dopamine and a dopant are dissolved into deionized water, then a pyrrole monomer without impurities is continuously added to be dissolved, dry nitrogen is then led in to remove dissolved oxygen in a mixture, and an electrolyte with the pH ranging from 1 to 8 is obtained; and (2) in the above electrolyte, a constant potential polymerization process is adopted for conducting polymerization on the surface of one side of a pure titanium substrate to obtain the polypyrrole-poly-dopamine composite coating, and oxide, miscellaneous dirt and grease on the surface of the pure titanium substrate are removed through pretreatment. According to the method, an electrochemical method is adopted for conducting polymerization on the dopamine and the pyrrole, the polymerization time is short, polymerization can be carried out under the acidity and alkaline conditions, and meanwhile a polymerization film obtained through polymerization has some beneficial effects of the dopamine and the pyrrole; and a larger possibility is provided for potential application of the polymerization film.

The invention provides a lithium ion battery using nano ferric phosphate hollow sphere as anode material. The lithium ion battery comprises a positive electrode plate, a negative electrode plate, an electrolyte and a membrane. The battery is characterized in that the positive active material of the positive electrode plate is nanoscale hollow-sphere-shaped ferric phosphate with an average particle diameter of about 150-280nm. The nano ferric phosphate hollow sphere is synthesized by low temperature hydrothermal method. According to the invention, the lithium ion battery uses the nano ferric phosphate hollow sphere as positive active material, wherein the positive active material ferric phosphate with a nonscale hollow-sphere-shaped structure has low density and good dispersity, and the diffusion and transmission rate of Li <+> and electrons is high in the positive active material. The lithium ion battery prepared on the basis of the positive active material has the characteristics of good discharging performance, high cyclical stability and large specific capacity. The invention also discloses a preparation method of the lithium ion battery.

The invention relates to Chinese wolfberry fruit powder and a preparation method thereof. The preparation method of the Chinese wolfberry fruit powder comprises the following steps of: (1) selecting fresh and matured Chinese wolfberry fruits or dried Chinese wolfberry fruits, spraying with water, and removing silt, pesticide residue and other residues attached to the surfaces of the Chinese wolfberry fruits; (2) directly drying and sterilizing the cleaned fresh (dried) Chinese wolfberry fruits by adopting tunnel microwave; and (3) immediately crushing the dried Chinese wolfberry fruits by using a pulverizer to obtain a Chinese wolfberry fruit product with particle size of 80-300 meshes. In the invention, drying and crushing operations are carried out at low temperature, so that the obtained products have favorable quality, maintain the original cluster and nutrients of the fresh Chinese wolfberry fruits and have high quality. Therefore, the Chinese wolfberry fruit powder has the efficacy of tonifying the kidney, protecting liver, improving eyesight, beautifying skin, strengthening brain, expelling toxin, reducing sugar and fat, preventing osteoporosis, nourishing blood vessels and skin, prolonging life and delaying ageing after being used for a long time, which are also endowed by Chinese wolfberry.

The invention provides a method for preparing an AZ31-RE wrought magnesium alloy, and relates to the technical field of alloys. The method comprises the following steps that a, a first scrap material and a second scrap material are mixed, cold pressing is conducted, and a blank is obtained, wherein the first scrap material is an AZ31 magnesium alloy scrap material, the second scrap material is an Mg-RE intermediate alloy scrap material, and the mass ratio of the first scrap material to the second scrap material is 4-299:1; b, the blank is subjected to heat extrusion, and then cold pressing is conducted, wherein heat extrusion comprises the step that the blank is subjected to heat preservation at the temperature ranging from 350 DEG C to 400 DEG C for 10-20 min; and c, the step b is repeatedly conducted at least one time, and then heat extrusion of the step b is conducted again. According to the method for preparing the AZ31-RE wrought magnesium alloy, oxidization of raw materials can be effectively reduced, the burnout rate of the raw materials is reduced, and pollution to the environment can be effectively reduced.

The invention relates to fluorescent glaze, which is prepared from the following raw materials in parts by weight: 10 to 15 parts of strontium aluminate, 12 to 15 parts of long-afterglow fluorescent powder, 5 to 10 parts of kaolin, 18 to 35 parts of quartz, 10 to 16 parts of calcium phosphate, 15 to 22 parts of soda feldspar, 15 to 24 parts of potash feldspar, 2 to 9 parts of soapstone, 8 to 16 parts of calcite, 0.5 to 1.5 parts of zinc oxide and 10 to 13 parts of sodium borate. The glaze has the advantages of high chemical stability, good hardness, high transmission rate and high glossiness. The fired glaze has bright and transparent color and luster; a fluorescent effect can be achieved; the ornamental value of the product is improved; a dry process mixed glazing preparation method is selected; the phenomenon of water meeting hydrolysis and sedimentation in glaze slurry can be avoided; in addition, the luminous performance and the glaze surface quality of the fluorescent glaze can be improved. A preparation method has the characteristics that the energy is saved; the environment is protected; the energy consumption is low.

The invention provides a vibration and energy absorption polyurethane material and a preparation method thereof. The polyurethane material is prepared by reacting raw materials comprising an isocyanate reactive component A and an isocyanate component B, the isocyanate reactive component A comprises a polyalcohol component A1, a foaming agent A2 and a catalyst A3, wherein the polyalcohol componentA1 comprises bio-based polyol of which the mass proportion is not lower than 50%. The prepared vibration and energy absorption polyurethane material is relatively good in vibration and energy absorption effect, excellent in comprehensive performance, green and environment-friendly. The preparation method is simple, convenient and easy.

The invention belongs to the technical field of materials, and particularly relates to a multifunctional surface optimization agent for concrete and a preparation method thereof. The multifunctional surface optimization agent for the concrete comprises, by mass, 5%-15% of palm oil with 58 degrees, 1%-5% of a compound emulsifying agent, 1%.-5%. of an anti-rust component, 1%.-5%. of a defoaming component, 1%.-10%. of a surface enhancing component, 1%.-5%. of a stabilizing agent, 0.1%. of an anti-corrosion agent and 80%-90% of water. According to the multifunctional surface optimization agent, four functional units including dust preventing, defoaming, demolding and surface enhancing which are related to the surface quality are integrated, the film forming speed is high when the multifunctional surface optimization agent acts on the formwork surface, a formed film is very compact, the surface strength of the concrete is improved by 10%-20%, and a powerful guarantee is provided for enhancing the durability of the concrete.

The invention discloses a surface porous graphene material and a preparation method thereof. The preparation method comprises the following steps: (1) dispersing a graphene material in a cosolvent in an ultrasonic dispersion manner till a solution is uniformly dispersed and is semitransparent and bright brown; (2) adding metallic nitrate into the solution obtained in the step (1), and stirring till the metallic nitrate is completely dissolved; (3) adding solid carbon dioxide into the solution obtained in the step (2); (4) enabling the solution obtained in the step (3) to be subjected to heating reaction in a sealed container, cooling the solution obtained after reaction, centrifuging, drying, and collecting a solid product; (5) calcining the solid product obtained in the step (5) in inert atmosphere, so as to obtain the surface porous graphene material. The preparation method disclosed by the invention is simple, easily obtainable in raw material, low in equipment requirement, simple to operate, high in reaction speed, short in preparation time, free of pollution and energy-saving and environment-friendly, and the prepared surface porous graphene material is uniform and controllable in surface pore distribution, and industrial production is easy to realize.

The invention discloses fluorescent ink. The fluorescent ink is prepared from an acrylic resin, an epoxy resin, phosphor, an auxiliary agent, ethanol and water. The auxiliary agent comprises polyethylene wax, a polyether siloxane copolymer emulsion, emulsive Brazilian wax and ethylene glycol methyl ether. The invention also discloses a preparation method of the fluorescent ink. The fluorescent inkcontains acrylic resin and epoxy resin as main binders. Through use of the phosphor and auxiliary agent, the fluorescent ink has good viscosity, adhesion fastness, light resistance, heat resistance and corrosion resistance. The preparation method is simple, efficient, energy-saving and environmentally friendly.

The invention discloses a preparation method and an intermediate of stearyl glycyrrhetinate. The preparation method comprises the following steps: (1) in an organic solvent, carrying out reaction on glycyrrhetinic acid and p-methyl benzene sulfonyl chloride in the presence of organic alkali, and after the reaction finishes, filtering to obtain a white solid; (2) in an organic solvent, carrying out reaction on the white solid and stearyl alcohol in the presence of alkali, and after the reaction finishes, separating the stearyl glycyrrhetinate from the system. The invention also discloses an intermediate of the stearyl glycyrrhetinate. The method disclosed by the invention has the advantages of high yield, fewer impurities and low cost.

The invention discloses a thermosetting resin mold release agent. The thermosetting resin mold release agent comprises the following components, 20-80 parts of artificial stone material wastes, 10-80parts of porous inorganic powder bodies, 0.5-8 parts of active materials, 0.5-10 parts of surface active agent, 1-10 parts of nanometer silica, 2-10 parts of water-borne silicone oil, 40-90 parts of film-forming resin and 0.5-3 parts of flatting agent. Compared with the prior art, the thermosetting resin mold release agent has the beneficial effects that wastes in an artificial stone plate factoryis subjected to regeneration comprehensive utilization, so that secondary pollution is avoided; the prepared mold release agent is used for mold release of thermosetting resin, and mold release effect is good; and pernicious gas released in a solidification process of the thermosetting resin can be adsorbed and decomposed. The preparation method is energy-saving, environment-friendly, innoxious and harmless, and can be industrialized.

The invention discloses a preparation method of a titanium-doped platinum catalyst with high catalytic activity. The preparation method comprises the following steps: firstly, preparing a platinum precursor solution and a titanium precursor solution; then, dispersing a porous carbon nano tube in the platinum precursor solution, and doping a metal oxide foaming body catalytic framework into the titanium precursor solution; spraying the platinum precursor solution dispersed with the carbon nano tube on the titanium-doped metal oxide foaming body catalytic framework; and finally, calcining at a high temperature to obtain the titanium-doped platinum catalyst. According to the preparation method, a metal oxide foaming body and the carbon nano tube are used as dual carriers for loading platinum and the doping of the titanium is carried out, so that an agglomeration phenomenon caused by the fact that only the carbon nano tube is used as the carrier is avoided, and the problems that when only the metal oxide foaming body is used as the carrier, the active component platinum has poor bonding force on the carrier and is easy to fall off are also avoided, so that the active component platinum is uniformly dispersed, the catalytic activity of the catalyst is improved and the service life of the catalyst is prolonged. Furthermore, the preparation method has the advantages of energy conservation and environment friendliness, is easy to control and can be widely applied to the preparation of the catalyst.

The invention discloses a method for preparing a mesoporous graphene material. The method comprises the steps that step 1, graphene oxide is added to deionized water, polymaleic acid is added, and ultrasonic stirring is conducted until the graphene oxide and the polymaleic acid are completed dispersed to obtain graphene oxide dispersion; step 2, sodium chloride is added into the graphene oxide dispersion and stirred until the sodium chloride is completely dissolved, and microwave chemical reaction is conducted for 2 hours to obtain second dispersion; step 3, the second dispersion is added intoa reduced pressure distillation reaction kettle for reaction for 4 hours, and viscous fluid is obtained after cooling is conducted; step 4, the viscous fluid is added into a mould for heating reaction for 2 hours to obtain a constant temperature curing mould; step 5, the constant temperature curing mould is placed into absolute methanol for sealed electrolytic reaction for 5 hours, and the deionized water is added for sealed reflux electrolytic reaction for 2 hours to obtain a mesoporous graphene oxide material; step 6, reduction reaction is conducted on the mesoporous graphene oxide materialfor 3 hours to obtain the mesoporous graphene material. The problem that the graphitization degree of the mesoporous graphene material is nonuniform is solved.

The invention discloses a method for preparing porous magnesium silicate by using a ball milling method, and relates to the technical field of inorganic functional material preparation, raw materials are mixed for reaction by using a ball mill, and a porous magnesium silicate powder material is obtained after centrifugal drying. The invention also provides magnesium silicate prepared by the preparation method. The preparation method has the beneficial effects that the obtained magnesium silicate is in a sheet shape of about 200 nm, the specific surface area reaches 800m<2>.G<-1>, and the magnesium silicate has the excellent characteristics of relatively large pore structure, relatively large specific surface area, charge on the surface and the like. The adsorption rate of Cu<2+> can reach 80% or above, and the maximum adsorption capacity can reach 223.05 mg/g. The maximum adsorption capacity of methylene blue can reach 300 mg/g. The preparation process does not need any solvent, does not need heating treatment, is energy-saving and environment-friendly, is easy for large-scale application and large-scale industrial production, and has a wide application prospect in the aspect of sewage treatment.