26results about How to "Improve oxidation effect" patented technology

The invention belongs to the technical field of material surface coatings, and provides high-temperature water vapor oxidation resistant coating slurry, a coating and a preparation method thereof, the high-temperature water vapor oxidation resistant coating slurry is obtained by mixing a solid phase component and a liquid phase component according to a ratio of 10g: (3-7) mL; the solid phase component is prepared from the following components in parts by mass: 50 to 60 parts of aluminum powder, 5 to 15 parts of silicon powder, 10 to 20 parts of aluminum oxide powder and 5 to 35 parts of MXene material; the liquid phase component comprises an aluminum dihydrogen phosphate solution, chromium trioxide and water glass; wherein the ratio of the aluminum dihydrogen phosphate solution to the chromium trioxide to the water glass is 100 mL: (10-30) g: (5-15) mL. A coating is prepared on the basis of the paint, and the crack resistance and the high-temperature water vapor oxidation resistance of the coating are improved.

The invention relates to the technical field of concrete, and discloses high-strength concrete and a preparation method thereof. The concrete comprises the following components: 800 to 850 parts of cement, 150 to 160 parts of glass beads, 100 to 120 parts of mineral powder, 80 to 100 parts of silica fume, 900 to 950 parts of fine aggregate, 8 to 10 parts of a water reducing agent, 10 to 15 parts of chitosan, 20 to 25 parts of acrylamide, 1 to 2 parts of an initiator, 5 to 6 parts of a coupling agent, 1 to 2 parts of a cross-linking agent, 1 to 2 parts of nano silver oxide, 200 to 210 parts of water and 50 to 60 parts of an acetic acid solution. Chitosan and acrylamide are copolymerized to obtain a polyhydroxy copolymer with a three-dimensional network structure, so that the strength of the concrete is improved; the nano silver oxide is loaded on the three-dimensional network copolymer, the nano silver oxide has excellent antibacterial performance, polyhydroxy on the copolymer structure has good oxidability and reducibility, and the antibacterial ability of the silver oxide is synergistically promoted. The concrete prepared by the preparation method disclosed by the invention keeps high strength while having excellent antibacterial ability.

The invention provides a steam turbine oil complexing agent, steam turbine oil as well as a preparation method and application of the steam turbine oil. The steam turbine oil complexing agent is prepared from the following components in parts by mass: 60-80 parts of an antioxidant, 5-15 parts of a metal deactivator, 5-10 parts of an antirust agent, 0.5-5 parts of a demulsifier and 5-30 parts of a cosolvent, wherein the total mass part of the complexing agent is 100 parts. The steam turbine oil contains the steam turbine oil complexing agent which can well balance the acid value, rust resistance, emulsification resistance and oxidation resistance of an oil product, an L-TSA steam turbine oil (grade A) product meeting GB 11120-2011 Turbine Oil can be obtained by adding the complexing agent into proper base oil and supplementing with a proper amount of anti-foaming agent, and the steam turbine oil has the advantages of being long in oxidation life, low in cost and the like. The antirust performance, the anti-emulsification performance and the like are excellent.

The invention relates to the technical field of sputtering film forming, and particularly discloses a microwave plasma assisted sputtering optical film forming device which comprises a vacuum box, magnetron sputtering boxes, a vacuum exhaust area and an oxidation reaction area, the magnetron sputtering boxes are installed on the side wall of the vacuum box and are communicated with each other, the two magnetron sputtering boxes are symmetrically distributed about the vacuum box, and the vacuum exhaust area is communicated with the oxidation reaction area. The vacuum exhaust area and the oxidation reaction area are both located on the side wall of the magnetron sputtering box, and a rotating assembly is arranged in the vacuum box. The distance between the magnetron sputtering target material and the substrate is kept, the stability and the film forming effect in the sputtering film forming process are improved, the function of monitoring and controlling the consumption state of the target material is achieved, the observation operation process of people is greatly simplified, the risk after the sputtering target material is plated through is reduced, and the safety is improved; and an oxidation zone is constructed as an oxygen particle activation zone, so that a better oxidation effect is achieved.

The application discloses a kind of quick determination methods of niobium content in Baiyunebo niobium-containing mineral, because of the scarcity of Baiyunebo niobium-containing mineral standard sample, considering the pertinence of detection method to Baiyunebo niobium-containing mineral and the coverage of standard curve linearity, accurately weigh a certain mass of existing standard sample, mixed into mixed standard sample, to obtain the required content standard sample, the mixed standard sample is obtained by accurately weighing two standard samples with known content, and is fully mixed on a speed-adjusting oscillator;And the calculation formula of the content of mixed standard sample is summarized, which can be used for the calculation of other mixed standard sample content.This application compared with prior art, solves the particle size effect and mineral effect caused by tabletting analysis, can effectively improve the analysis speed of niobium content in Baiyunebo niobium-containing mineral, improve the accuracy of analysis data, with the characteristics of simple operation, practical, reasonable determination method provides reliable technical support for beneficiation and metallurgy.

The present invention discloses an ionic liquid and its preparation and application. The chemical name of the ionic liquid is 1-methyl-3-(2-oxo-2-(2,2,6,6-tetramethyl-1-oxy-4-piperidinyloxy)butyl)imidazolium trichloromonobromoaluminium salt, and the structure is shown below. The present invention provides a metal leaching agent containing the ionic liquid, which is mixed with ionic liquid and water in a mass ratio of 8.5:2-8. The present invention provides a metal leaching method based on the metal leaching agent. The metal leaching agent system of the present invention has both good oxidizability and coordination ability, can leach gold, palladium, and platinum, has a fast leaching speed and a high extraction rate, and does not require an external oxidant when used.

The present invention discloses a production device and preparation method for preparing hydrogen peroxide from raw materials, including a hollow processing tank, a raw material tank, and a collecting tank, wherein the top wall of the processing tank is fixedly connected with a functional block, the upper surface of the processing tank is fixedly connected with a shunt block, the shunt block is a hollow structure, the upper surface of the processing tank is fixedly connected with a compressed air pump through a bracket, the input end of the compressed air pump is fixedly connected with the shunt block and extends to the inside thereof, the top wall of the collecting tank is fixedly connected with a fixed block, an atomizing mechanism is arranged in the functional block, an oxidizing mechanism is arranged in the fixed block, the atomizing mechanism includes an atomizing chamber, and the atomizing chamber is opened in the functional block. The advantage is that the device of the present invention greatly improves the oxidation efficiency by oxidizing anthraquinone alcohol by atomizing, and can automatically replenish liquid to ensure continuous production, greatly improve processing efficiency, improve the degree of automation of the device, and can also improve collection efficiency.

The invention belongs to the technical field of new energy materials, and discloses a nitrogen and sulfur co-doped graphene modified porous iron oxide / phosphide heterojunction nanocomposite as well as a preparation method and application thereof. The preparation method comprises the following steps: mixing an iron source, basic salt and an organic solvent, and carrying out solvothermal reaction; mixing and dispersing the obtained porous Fe3O4 nano composite material, nitrogen and sulfur co-doped graphene, a surfactant and water; carrying out annealing treatment on a product obtained by mixing and dispersing; and reacting the obtained nitrogen and sulfur co-doped graphene modified porous Fe3O4 nano composite material with a phosphorus source. The nitrogen and sulfur co-doped graphene modified porous iron oxide / phosphide heterojunction nano composite material prepared by the invention shows excellent electrochemical reaction activity and kinetics as an efficient water oxidation electrocatalyst, and the preparation method is an integrated preparation process, and is low in cost and high in efficiency.

The present invention relates to a device for preparing rare gas samples by oxidizing natural gas, the device comprising a high vacuum system, a tubular electric furnace and a rare gas mass spectrometer system; the high vacuum system is connected to a pipeline II via a pipeline I, one end of the pipeline II is connected to a natural gas inlet, and the other end thereof passes through the tubular electric furnace and is connected to a pipeline III; a metal high vacuum valve I is provided on the pipeline I; a metal high vacuum valve II, a metal high vacuum valve III, a metal quartz conversion joint I, and an activated carbon cold finger I are respectively provided on the pipeline II; the end of the pipeline III is connected to the rare gas mass spectrometer system; the pipeline III is respectively provided with a metal quartz conversion joint II, a metal high vacuum valve IV, and an activated carbon cold finger II. The present invention also discloses a method for using the device. The detection result of the present invention is accurate and reliable, and can meet the need for preparing more rare gas isotope samples, thereby reducing the requirement for the detection sensitivity of the rare gas isotope mass spectrometer.

This invention relates to the field of water treatment technology, and more particularly to a method and system for treating coking nanofiltration concentrate. The method includes: pre-configuring a modified nickel plate anode electrode, a modified titanium plate cathode electrode, and multi-media filter media according to the water quality characteristics of the coking nanofiltration concentrate; feeding the coking nanofiltration concentrate into an electrocatalytic oxidation device for treatment, wherein the electrocatalytic oxidation device uses the modified nickel plate anode electrode as the anode electrode and the modified titanium plate cathode electrode as the cathode electrode; and pumping the effluent from the electrocatalytic oxidation device into a multi-media filter for filtration, wherein the multi-media filter contains multi-media filter media. By first subjecting the coking nanofiltration concentrate to electrocatalytic oxidation treatment, Cl... ‑ The anode loses electrons and is oxidized, producing a large number of active chlorine and other free radicals, which can rapidly degrade ammonia nitrogen. This allows relatively stable substances to react, and then a multi-media filter is used for filtration, which can economically and efficiently remove COD and ammonia nitrogen from coking nanofiltration concentrate.

The invention relates to the field of catalytic materials, in particular to a superoxide catalytic oxidation catalyst and a preparation method thereof. The method comprises the following steps: taking a titanium salt as a raw material, adding a fluorinating reagent and a dispersing solvent, mixing to obtain a substrate mixed solution, adjusting the pH value to alkalescence, and carrying out heat and pressure preservation reaction to obtain the superoxide catalytic oxidation catalyst through one-step synthesis. The sewage treatment agent can quickly and effectively decompose organic substances which are difficult to degrade in sewage, and has broad-spectrum and efficient disinfection and sterilization capability; by means of the excellent oxidation performance of active oxygen, bacteria and viruses can be widely and efficiently killed. In addition, the cost benefit is remarkable; compared with a traditional wastewater treatment method, the catalyst adopted by the method is lower in use cost, and the treatment time can be shortened due to the high efficiency characteristic of the catalyst, so that the overall operation cost is reduced.

According to the technology for separating stibnite and arsenopyrite through low-alkalinity flotation, in the antimony roughing flotation and fine selection process, modified polyacrylamide is added to replace part of lime, Pb (NO3) 2 serves as an activating agent, the modified polyacrylamide and the lime serve as an inhibitor together, so that the adding amount of the lime is reduced, upward floating of arsenic in ore is inhibited, and the arsenic content in the ore is reduced; and the flotation alkalinity is reduced, so that the floating of arsenic in the antimony-arsenic minerals is inhibited under the low-alkalinity condition. Test results show that in the antimony roughing flotation and concentration process, compared with only using lime as an inhibitor, under the combined action of modified polyacrylamide, lime and Pb (NO3) 2, the lime dosage and alkalinity in the antimony roughing flotation and concentration process are effectively reduced, the recovery rate of antimony is not affected, and the phenomenon that ore froth is sticky is improved. In addition, the modified polyacrylamide has little pollution to the environment and is more environment-friendly.

The utility model discloses an energy-saving sewage treatment EGA intelligent tank, which comprises an EGA intelligent tank main body, and a water inlet pipe and a water outlet pipe which are arranged on the top of the EGA intelligent tank main body, the water inlet pipe is arranged on the right side of the water outlet pipe, a speed increasing pipe is arranged on the top of the water inlet pipe, and a mounting shaft is fixedly connected on the inner wall of the speed increasing pipe. And the bottom of the mounting shaft is rotationally connected with a turbine rod. According to the utility model, the speed increasing pipe is arranged, so that water flow passes through the turbine rod with a mechanical structure to increase the flow speed, and the higher water flow speed is beneficial to enhancing the oxidation effect and increasing the content of dissolved oxygen in the water body, thereby being beneficial to degrading organic matters by microorganisms in the water and promoting the decomposition and removal of organic matters in wastewater, and being capable of reducing the energy consumption of the pump body; and meanwhile, the intelligent control valve is adopted to adjust the drainage flow, accurate regulation and control are conducted according to needs, excessive drainage and energy waste are avoided, and energy loss generated when water flow passes through the pipeline can be reduced in cooperation with an auxiliary assembly.

The application discloses a method for one-step extraction of bleached cellulose from cow dung, and belongs to the technical field of cow dung-based paper pulp preparation. The one-step extraction method comprises the following steps: water washing is performed to remove excrement and impurities in the cow dung, thereby obtaining undigested plant fibers; the plant fibers are subjected to defatting and dewaxing; then, the plant fibers are added into a hydrogen peroxide solution containing activated carbon catalyst loaded with LaFeO3 perovskite for reaction, thereby obtaining cellulose. The application uses cow dung as raw material, attacks aromatic rings and ether bonds of lignin and glycosidic bonds of hemicellulose by using hydrogen peroxide, and additionally uses activated carbon catalyst loaded with perovskite to catalyze hydrogen peroxide, thereby enhancing the oxidation effect, and realizing the pulping and bleaching integrated technology by using cow dung as raw material. In the wastewater treatment stage, the wastewater generated by the one-step extraction and bleaching method only needs to be simply heated to be treated into normal water, and does not contain additional acid and alkali liquid, and the catalyst can be recycled and reused.

The present invention discloses a metal leaching agent containing ionic liquid and a metal leaching method. The metal leaching agent containing ionic liquid is formed by mixing nitroxide free radical compounds, anhydrous aluminum chloride, water and ionic liquid in proportion; the ionic liquid is at least one of 1-butyl-2,3-dimethylimidazolium bromide, 1-butyl-2,3-dimethylimidazolium chloride, 1-butyl-3-dimethylimidazolium bromide, 1-propyl-3-dimethylimidazolium bromide and dodecyltrimethylammonium bromide; the nitroxide free radical compound is at least one of nitroxide free radical piperidinol and 2,2,6,6-tetramethylpiperidine-1-oxygen free radical. The present invention provides a metal leaching method based on the metal leaching agent containing ionic liquid. The metal leaching agent provided by the present invention has good oxidation and metal coordination capabilities, can leach precious metals such as gold, palladium and platinum, and has a fast gold leaching speed and a high extraction rate.

The utility model provides a high-phenol wastewater treatment system. The high-phenol wastewater treatment system comprises a wet oxidation reactor and a deep oxidation tower, a first mass transfer strengthening unit is arranged outside the wet oxidation reactor, a second mass transfer strengthening unit is arranged in the wet oxidation reactor, the first mass transfer strengthening unit is connected with the second mass transfer strengthening unit, and the second mass transfer strengthening unit is arranged at the middle lower part of the wet oxidation reactor; the bottom end of the deep oxidation tower is connected with the top end of the wet oxidation reactor, and a third mass transfer strengthening unit is arranged in the deep oxidation tower. According to the treatment system disclosed by the utility model, the mass transfer strengthening unit is combined with the reaction system, and wastewater and gas in the wet oxidation reactor are crushed and dispersed into microbubbles through the mass transfer strengthening unit, so that the mass transfer effect between the wastewater and the gas is improved, the reaction efficiency is improved, and the reaction temperature and pressure are reduced at the same time.

The present invention belongs to the technical field of material surface coatings, and provides a coating slurry resistant to high-temperature steam oxidation, a coating and a preparation method thereof. The coating slurry resistant to high-temperature steam oxidation is obtained by mixing a solid phase component and a liquid phase component in a ratio of 10g: (3-7) mL; by mass, the solid phase component includes: 50-60 parts of aluminum powder, 5-15 parts of silicon powder, 10-20 parts of aluminum oxide powder, and 5-35 parts of MXene material; the liquid phase component includes aluminum dihydrogen phosphate solution, chromium trioxide and water glass; wherein the ratio of aluminum dihydrogen phosphate solution, chromium trioxide and water glass is 100mL: (10-30) g: (5-15) mL. A coating is prepared based on the above coating, and the present invention improves the crack resistance and high-temperature steam oxidation resistance of the coating.

The invention discloses an aggressive agent for observing chromium carbides in stainless steel as well as a preparation method and application of the aggressive agent. The aggressive agent comprises the following components in parts by weight: 15-20 parts of water, 5.9-11.8 parts of hydrochloric acid, 3.9-7.9 parts of ethanol and 3-5 parts of ferric trichloride. The erosion agent special for observing the chromium carbide is prepared by optimizing the ratio of hydrochloric acid to water and adding a proper amount of ethyl alcohol, and the eroded chromium carbide is in a bright white ball shape, a water drop shape or a granular shape with a clear boundary and is embedded at a crystal boundary or in a crystal grain; the form of the precipitated chromium carbide in the stainless steel can be clearly observed, and the component content of the stainless steel can be analyzed.

The invention discloses a heating disc device for reducing part oxidation and thin film deposition equipment thereof.The heating disc device for reducing part oxidation comprises a heating disc, a heating rod, a radio frequency rod and a sealing cover plate, the heating disc comprises a heating disc body and a supporting handle connected to the center of the bottom of the heating disc body, and a mounting cavity is formed in the supporting handle; the heating rod and the radio frequency rod are embedded in the mounting cavity, and the sealing cover plate is connected to an opening of the mounting cavity, so that a sealed vacuum cavity is formed in the mounting cavity. According to the heating disc device for reducing part oxidation and the thin film deposition equipment thereof, the mounting cavity of the supporting handle embedded with the heating rod and the radio frequency rod is designed to be of a sealable structure, the mounting cavity is vacuumized during working, and therefore the existing design that inert gas is introduced to reduce oxidation of the heating rod and the radio frequency rod is replaced, the safety is higher, and the service life of the heating disc device is prolonged. And meanwhile, local cold points of the heating disc cannot be caused, and the heating effect is better.

The invention discloses a nursing aid and a preparation method thereof, and belongs to the technical field of industrial nursing agents. Wherein the nursing aid is prepared from the following raw materials in parts by weight: 40 to 60 parts of sodium percarbonate, 30 to 50 parts of fatty alcohol-polyoxyethylene ether, 80 to 120 parts of propylene glycol, 5 to 15 parts of coconut diethanolamide condensate, 20 to 40 parts of ethylene glycol tert-butyl ether, 10 to 30 parts of polyvinyl alcohol and 15 to 30 parts of polyether modified polysiloxane. The preparation method of the nursing auxiliary agent comprises the following steps: sequentially adding all raw materials of the nursing auxiliary agent into a sealed reaction kettle, mixing and stirring for 20 minutes, then introducing into a pressure tank, and sealing, thereby obtaining the nursing auxiliary agent. After the prepared nursing auxiliary agent is mixed with a conventional plastic cleaning agent SDS for use, on one hand, the problem of yellowing of the surfaces of plastics such as ABS is solved, and on the other hand, the nursing auxiliary agent also has relatively good adhesive removal performance.

The present invention relates to a method for microbial modification of iron-based biochar for soil water retention, comprising the following steps: soaking straw in magnesium chloride solution, filtering and drying, and then pyrolyzing to obtain biochar; mixing biochar and sulfuric acid solution, adding iron to obtain a biochar mixed solution containing ferrous ions; preparing a culture medium; culturing and enriching ferrothiobacillus to obtain a bacterial solution; adding the bacterial solution to the biochar acid mixed solution containing ferrous ions and culturing for a period of time; after the cultivation is completed, pyrolyzing the biochar to obtain iron-modified biochar. The present invention uses microorganisms to perform iron modification on biochar to improve the water retention performance of biochar.

The application discloses a method for preparing pyromellitic acid by oxidizing liquid durene. The method comprises the following steps: taking a transition metal ion as a catalyst, taking hydrogen peroxide as an auxiliary oxidant, taking a gas containing O2 as an oxidant, and carrying out an oxidation reaction on durene to obtain pyromellitic acid. The method has the advantages of weak corrosion of the reaction liquid, easy treatment of waste liquid and high yield of pyromellitic acid.

The invention provides a method for treating and recycling spodumene beneficiation wastewater, and belongs to the field of beneficiation wastewater treatment. According to the method, the composite polymeric flocculant is prepared and added into the spodumene beneficiation wastewater, fine particles suspended in the wastewater can be effectively captured, floccules with larger volumes can be formed, and therefore efficient flocculating settling is conducted; and on the basis, the supernate subjected to flocculating settling is sequentially subjected to ultrasonic treatment and oxidation treatment, so that the oxidation effect can be enhanced by utilizing a force field of ultrasonic waves, and the degradation rate of organic matters is increased. By means of the mode, the chemical oxygen demand of the spodumene beneficiation wastewater and the content of suspended solids, calcium ions and magnesium ions in the wastewater can be effectively reduced through the simple technology, few raw materials and short time, and backwater obtained after treatment can be reused in the flotation technology of spodumene; and cyclic utilization and zero emission of spodumene beneficiation wastewater are realized.

The utility model discloses a kind of leachate decoloring device of garbage transfer station, including buffer water tank and ozone generator, the buffer water tank is connected by pipeline to lift pump, the output end of the lift pump is fixedly connected membrane contact reactor, the ozone generator is connected by pipeline to membrane contact reactor, one end of the ozone tail gas discharged by membrane contact reactor is connected by pipeline to tail gas breaker;Membrane contact reactor is used as gas-liquid reaction carrier, so that ozone utilization efficiency is close to 100%, oxidation effect is good, while reducing operating cost;Membrane contact reactor can reduce the land area and height of ozone oxidation device, facilitate intensive arrangement.

The invention belongs to the technical field of etching, and particularly discloses a silver film etching solution which comprises the following raw materials in percentage by mass: 30-40% of phosphoric acid, 5-10% of nitric acid, 5-10% of acetic acid, 0.01-0.05% of a porphyrin compound, 0.01-0.05% of a guanidine derivative, 5-10% of a dispersing agent, 1-5% of a stabilizer and the balance of water. The silver film etching solution provided by the invention has a stable etching rate, and can well solve the problems of silver residue, silver after-tack and the like at the same time.

The invention relates to the technical field of DCB production methods, and specifically discloses a DCB production method for preparing an aluminum nitride copper-clad ceramic carrier plate. The method comprises the following steps: S1: cleaning the aluminum nitride ceramic sheet and activating the copper ions to obtain a prefabricated DCB plate; S2: performing oxidation treatment and double-sided sintering on the prefabricated DCB plate in sequence to obtain an aluminum nitride copper-clad ceramic carrier plate.