36results about How to "Effective oxidative decomposition" patented technology

The present invention relates to a three-D electrode reactor and its application for treating organic waste water. Said reactor is formed from bed body, feeder negative electrode, feeder positive electrode, particle electrode, water-distributing plate, aeration plate and D.C. power supply. It is a three-D electrode reactor using electric energy as excitation energy, air as raw material and particles electrode containing initiating agent as working electrode. Said reactor can produce strong oxidizing agents of H2O2 and OH, and can effectively make oxidation-decomposition, and can compltely mineralize organic pollutant into the inorganic materials of CO2 and water. It can be used for pretreating organic waste water, and can be used for making after treatment of waste water passed through biological chemical treatment so as to ensure standard discharge of waste water.

Horizontal polar plate multi-dimensional electrode electrocatalysis reactor wastewater treatment equipment comprises a shell, a cathode plate and an anode plate which are relatively parallel, a particle electrode filled between the cathode plate and the anode plate, a water distributor, a water inlet pipe, an aerator, an air inlet pipe, an effluent weir trough, a water outlet pipe and a power supply; the cathode plate and the anode plate are respectively connected with the cathode and the anode of the power supply; a plurality of through holes are distributed on the cathode plate and the anode plate which are horizontally positioned in the shell of the equipment; the water distributor, the water inlet pipe, the aerator and the air inlet pipe are positioned at the lower part of the shell of the equipment; and the effluent weir trough and the water outlet pipe are arranged at the upper part of the shell of the equipment. After being evenly distributed by the water distributor, the wastewater flows across a reactor from bottom to top; the horizontal polar plate structure design not only avoids the short circuit of water flow and improves the mass transfer effect, but also ensures that the wastewater can alternatively flow across the cathode plate and the anode plate and the oxidation reaction of the anode plate and the reduction reaction of the cathode plate coexist in a system, and causes different organic pollutants in wastewater which can be degraded by the oxidation reaction and the reduction reaction to be degraded and treated.

The invention relates to a wastewater treatment device, in particular to a 3D electrode reactor applicable to non-degradable organic wastewater treatment. The reactor consists of a tank, an electrode cathode, an electrode anode, a particle electrode, a diaphragm plate and a DC power supply; the 3D electrode reactor takes electric energy as excitation energy, and takes the particle electrode with catalytic activity as a work electrode. The reactor can be used for ordinary organic wastewater treatment and the non-degradable organic wastewater treatment to reach standard stably; the reactor can be used for pretreatment of non-biodegradable organic wastewater with high concentration to decompose the wastewater into easily biodegradable organic matters with smaller molecular weight to greatly enhance biodegradability of the wastewater; and the reactor can also be used for post-treatment of wastewater biochemical process to ensure that wastewater discharge reaches the standard.

The invention relates to a catalyst used for inducing catalysis and oxidation and a preparation method. The invention uses one or a plurality of salt solution of transition metals with certain concentration to immerse the Al2O3 which is activated, activated clay or diatomite, puts the Al2O3 which is activated, activated clay or diatomite into a muffle furnace to be roasted after being dried to dissolve the transition metal salt and reduce the oxide on the surface of the vector into metal substance after being reduced and activated to prepare the catalyst. The mass ratio between the vector of the catalyst prepared by the invention and the loading transition metal is (70-99):(1-30). The catalyst is mainly used for the catalysis and oxidation under the existence of an external energy field and has the advantages of the large adsorption capacity, the better effect of catalysis and oxidation, the fast reaction, the stable treatment effect, the wide scope of application, the long service life and so on. The invention can quickly dissolve the micromolecular substances into small molecule substances, facilitate the quick degradation of featured pollutants and reduce the biological toxicity of organic wastewater, so as to improve the biodegradability of the wastewater.

The invention relates to an inclined helical photocatalysis compound filling material for micro pollution raw material pretreatment, which consists of polypropylene and nanometer TiO2, wherein the mass percentage of nanometer TiO2 is 8 percent to 10 percent. The invention also relates to a preparation method of the photocatalysis compound filling material, which comprises the following steps that: TiO2 is pretreated through titanate coupling agents; and the polypropylene and the pretreated TiO2 are uniformly mixed and are co-extruded and formed on a double-screw extruding machine. The photocatalysis compound filling material has the characteristics that the flowability is high, the specific surface area is large, the TiO2 combination degree is high, the photocatalysis efficiency is higher, the use period is long, the blockage is avoided, the operation is simple and convenient, and the like.

The invention relates to a reaction processor for directly oxidizing residual sludge by using micro-currents. According to the invention, microbes, organic pollutants, and viral bacteria in water-containing sludge can be effectively oxidized and decomposed by using a micro-current direct oxidization technology, such that an average removal rate of the microbes, the organic pollutants, and the viral bacteria in the sludge can be above 99%. The residual solids are complexed into metal oxides or phosphate substances, and are deposited and are separated from water. A sludge reduction is greater than 97%. The processor provided by the invention can be widely adopted in sludge processing and treatment in urban domestic sewage treatment plants, urban comprehensive sewage treatment plants, and urban chemical engineering wastewater treatment plants. Therefore, a clean and low-energy-consumption solution is provided for sewage safe treatment.

The invention discloses a method for recovering valuable metal from waste ternary lithium-ion battery powder. Firstly, the waste ternary lithium-ion battery powder is put into a pit furnace into whichoxygen is fed to be subjected to oxidizing roasting, a roasted product is obtained, the content of carbon in the roasted product is reduced by 99% or above, then, the roasted product is dissolved inan ammonia-ammonium chloride solution system to be put into a reaction still, hydrazine hydrate with the volume fraction being 1.6% is added to serve as a reducing agent, a pH value of an obtained lixivium is adjusted to be 8.00, according to the ratio of O / A being 2, the lixivium is added into an extraction agent, the volume fraction of Versatic 911 is 20%, the volume fraction of sulfonated kerosene is 80%, the reaction temperature is controlled to be 30 DEG C, 5 minutes later after the reaction, raffinate and an organic phase are obtained through separation, and through 3 levels of counter-current extraction, the extraction rate of cobalt is 98% or above. According to the method, adopted equipment is simple, the investment running cost is low, the process energy consumption is remarkablyreduced, and the recovery rate of the valuable metal is high.

The invention belongs to the technical field of organic polluted soil restoration and particularly relates to a device for treating soil polluted by persistent organic pollutants through low-temperature plasmas. The device comprises a low-temperature plasma high voltage power source, a reactor, a rotating rod, a gas extraction opening and a gas inlet. Firstly, the polluted soil is put into the reactor, then vacuum extraction is conducted on the reactor through the gas extraction opening, and working gas is inflated into the reactor through the gas inlet; secondly, the reactor is driven by an external driving device to rotate through the rotating rod, and the polluted soil is driven to roll over vertically in the reactor; and finally, high voltage power is supplied to the reactor by the low-temperature plasma high voltage power source, the plasmas are generated in the reactor, and treatment of the polluted soil is started. According to the device, a physical-chemical reaction occurring between strong-oxidation free radicals generated by the low-temperature plasmas and plasmas generated by organic pollutant molecules is utilized, and the persistent organic pollutants can be effectively oxidized and decomposed; the soil polluted by the persistent organic pollutants can be treated; treatment efficiency is high; in addition, materials are easy to load and unload; and the device is convenient to operate.

A crop leaf surface microelement fertilizer is mainly composed of the following parts by weight of components: 3-10 parts of rare earth, 20-40 parts of manganese sulfate, 10-20 parts of zinc sulfate, 2-20 parts of ammonium molybdate, 1-5 parts of titanium dioxide, 20-30 parts of potassium dihydrogen phosphate, 1-3 parts of potassium iodide, 5-15 parts of ferrous sulfate and 0.5-2 parts of copper sulfate. The rare earth can improve the sweetness, enhance the taste and promote the development of roots, the potassium dihydrogen phosphate can promote the grain fullness and improve quality, and the potassium iodide can increase the yield. The titanium dioxide has good dispersion, can be used for fertilizer spraying to make the fertilizer spraying more uniform, and the bonding property of the titanium dioxide is good, so that the fertilizer sprayed onto the leaf surface is not easy to fall off. The titanium dioxide also is a catalyst carrier, has oxidation expediting effect, can promote the oxidation decomposition of effective components in the fertilizer to facilitate the plant absorption. After five years of large field experiments, by spraying according to the general production management level, the yield can be increased by more than 30%, the quality of grains, cotton, fruits and the like is improved obviously, sweetness is increased, the taste and flavor are good, the yield is increased nearly doubled around.

The invention provides a bactericidal disinfectant deodorant used in livestock and poultry culture. The bactericidal disinfectant deodorant used in livestock and poultry culture is mainly prepared from 0.10% to 0.40% of peroxyacetic acid, 0.15% to 0.60% vhydrogen peroxide, 0.05% to 0.10% of a quaternary ammonium salt type cationic surfactant, 0.05% to 0.10% of benzethonium chloride, 0.10% to 0.20%of an emulsifier and 98.60% to 99.40% of water. The bactericidal disinfectant deodorant possesses broad-spectrum sterilization effect, is capable of killing E. coli, Staphylococcus aureus, Pseudomonas aeruginosa, bacterial spores and viruses, microorganisms and the like effectively, and is sprayed in a mist form, so that adsorption of night soil and stink main sources such as NH3 and H2S which are dispersed in the air can be realized, and at the same time, stink substances are decomposed into odorless gas through oxidation.

The present invention relates to a three-D electrode reactor and its application for treating organic waste water. Said reactor is formed from bed body, feeder negative electrode, feeder positive electrode, particle electrode, water-distributing plate, aeration plate and D.C. power supply. It is a three-D electrode reactor using electric energy as excitation energy, air as raw material and particles electrode containing initiating agent as working electrode. Said reactor can produce strong oxidizing agents of H2O2 and OH, and can effectively make oxidation-decomposition, and can compltely mineralize organic pollutant into the inorganic materials of CO2 and water. It can be used for pretreating organic waste water, and can be used for making after treatment of waste water passed through biological chemical treatment so as to ensure standard discharge of waste water.

The invention discloses a method for treating wastewater generated after preparing alcohol from cassavas as a raw material. The method comprises the following steps: (1) adding a primary flocculant according to an amount of 2-5kg / ton of wastewater into aerobic effluent which is discharged by virtue of active sludge treatment after preparation of alcohol, stirring uniformly, and standing for 10-40 minutes to obtain a sludge deposit and a supernatant; (2) adding a Fenton reagent into the supernatant, wherein the used amount of hydrogen peroxide is 0.8-2kg / ton of wastewater, the used amount of a ferrous salt is 0.6-3kg / ton of wastewater, and hydrogen peroxide is subjected to oxidative degradation reaction with substances in the supernatant; (3) adding an acid-alkali regulator to adjust the pH value to 6-9, and performing aeration treatment; and (4) adding a secondary flocculant into the waste solution after the aeration treatment according to a used amount of 2-10g / ton of wastewater to perform secondary sedimentation so as to ensure that residual impurities are deposited. After the wastewater is treated by the method disclosed by the invention, the COD (chemical oxygen demand) and SS (suspended substances) in discharged water are reduced to a very low level, the COD value is less than 300mg / L, the SS value is lower than 150mg / L, the color of the discharged water is light, and the foam in the discharged water is less, so that the wastewater reaches a standard of direct discharge.

The invention relates to a lithium ion battery negative electrode material with nanometer silicon reserved in a carbon shell and fabrication method and application of the lithium ion battery negativeelectrode material. According to the method, waste single-crystal micro powder wrapped with an organic matter is oxidized to a composite with nanometer silicon embedded into silicon oxide in one stepby wet advance oxidization, and an expansion-resistant structure with the nanometer silicon reserved in a carbon layer is formed by the traditional steps of coating a carbon layer through carbonization and corroding to remove the silicon oxide. By the method, solid waste is eliminated, the environmental pollution is reduced, and the cost of the nanometer silicon which can be used for the lithium battery negative electrode material is greatly reduced.

The invention discloses a wall body material with a mould inhibiting function and a preparation method thereof and relates to the technical field of wall body materials. The wall body material is prepared from the following raw materials in parts by weight: 35 to 45 parts of ceramic micropowder, 25 to 30 parts of expanded perlite, 15 to 20 parts of mould inhibitor, 15 to 20 parts of polymer emulsion, 10 to 15 parts of natural mildew preventive, 10 to 15 parts of acidized carbon fiber, 3 to 4 parts of EDTA disodium salt and 35 to 45 parts of silica sol. The wall body material disclosed by the invention has the advantages of simple use method, good mechanical property and good mould inhibiting effect.

The invention belongs to the technical field of purification devices, and particularly relates to an intelligent public washroom disinfection, sterilization and purification system. The intelligent public washroom disinfection, sterilization and purification system comprises an air treatment system, a detection system and a control system; the air treatment system comprises an air cleaning treatment system and an air temperature and humidity control system; the detection system comprises an exhaust gas detection device, a washroom internal gas detection device, a temperature and humidity detection device and a people flow monitoring device; and the control device system comprises a controller, a cloud server, a control panel and a mobile phone APP. According to the intelligent public washroom disinfection, sterilization and purification system, the purification quality of internal gas and exhaust gas of the washroom, the air temperature and humidity and the people flow rate in the washroom can be effectively monitored; and the practical problem that the surrounding environment and the body health of people using the washroom are affected due to spreading and overflowing of germs and peculiar smells in the washroom in a service area can be effectively solved.

The invention discloses mildew-proof coating for a wall surface and a preparation method thereof and relates to the technical field of coating. The mildew-proof coating for the wall surface is prepared from the following raw materials: 55 to 65 parts of acrylate emulsion, 35 to 45 parts of epoxy resin, 15 to 20 parts of mildew inhibitor, 10 to 15 parts of natural mildew inhibition agent, 10 to 15parts of fly ash-graphene composite powder, 8 to 12 parts of auxiliary agent and a proper amount of de-ionized water. The mildew-proof coating for the wall surface has good film forming performance and construction performance, is convenient to use and has a good mildew-proof effect on a wall body.

The invention discloses a mixed liquid deodorization disinfectant and a preparation method thereof, and belongs to the technical field of veterinary drug preparations, wherein the mixed liquid deodorization disinfectant comprises the following components by mass: 1-3% of glutaraldehyde, 0.05-0.10% of a zwitterionic surfactant, 5-10% of terpilenol, 2-5% of an oxide, and the balance of water. The deodorization disinfectant has a broad-spectrum sterilization effect and can effectively kill escherichia coli, staphylococcus aureus, pseudomonas aeruginosa, bacterial spores, viruses, microorganisms and the like. The mixed liquid deodorizing disinfectant has the advantages of long duration and high disinfection efficiency, and ensures the biological safety of farms, harmless treatment plants, waste treatment plants and slaughter houses. The product helps livestock farms, slaughter houses and harmless treatment plants to control waste gas diffusion, improves biosafety, is good in effect and long in duration, reduces pollution pressure, and does not need high-investment hardware facilities.

The invention relates to a method for carrying out oxygen-enriched mechanical activation treatment on micro-fine particle dip-dyeing type refractory gold concentrate, which comprises the following steps of: carrying out superfine grinding treatment on the micro-fine particle dip-dyeing type gold concentrate, mixing ore pulp and enriched oxygen, introducing the mixture into a pump shell, scattering oxygen-enriched gas by using violent stirring of an impeller blade to form micro-fine bubbles to enhance the oxygen dissolution degree of the ore pulp, and carrying out mechanical activation treatment on the micro-fine particle dip-dyeing type refractory gold concentrate. And meanwhile, high shearing force is generated to strip a precipitation layer on the surface of the mineral, oxidation of the superfine ground mineral is accelerated, so that the lattice structure of the mineral is destroyed, the dissociation degree of the gold mineral is increased, the gold leaching rate in the subsequent cyaniding process is increased, and efficient smelting and recycling of the micro-fine particle dip dyeing type refractory gold ore are achieved. The gold leaching rate of the ore pulp pretreated by the method is greatly improved.

The invention discloses a double-component indoor wall surface repairing agent and preparation and application methods thereof and relates to the technical field of repairing agents. The double-component indoor wall surface repairing agent is prepared from a component A and a component B, wherein the component A is prepared from the following raw materials: 15 to 20 parts of nano silicon carbide,15 to 20 parts of sodium montmorillonite, 15 to 20 parts of nano zirconium dioxide, 14 to 16 parts of lysozyme and the like; the component B is prepared from the following raw materials: 25 to 45 parts of water-soluble resin, 15 to 20 parts of titanium white and the like. The double-component indoor wall surface repairing agent has the advantages of good construction performance, convenience for utilization, good mildew-removing and mildew-proof effects on a wall body and good repairing effect.

The invention belongs to the technical field of purification devices, and particularly relates to a multifunctional public washroom environment intelligent monitoring system which comprises an air treatment system and an intelligent detection control system, and the air treatment system comprises an air cleaning treatment system and an air temperature and humidity control system. The air cleaning treatment system comprises a defecation area disinfection and sterilization purification device, a washroom disinfection and sterilization purification device and an exhaust device; the intelligent detection control system comprises a detection monitoring device and a control device, the control device comprises a controller, and the excrement and urine area disinfection and sterilization purification device, the washroom disinfection and sterilization purification device, the exhaust device and the detection monitoring device are all electrically connected with the controller. The system can effectively monitor the purification quality of internal gas and exhaust gas in the washroom, and can effectively solve the practical problem that the surrounding environment and the health of persons in the washroom are affected due to spreading and overflowing of germs and peculiar smell in the washroom in a service area.

The invention discloses tail gas treatment equipment used for high-temperature drying and cleaning of oil-contained steel scrap and a tail gas treatment method used for high-temperature drying and cleaning of the oil-contained steel scrap. The tail gas treatment equipment used for high-temperature drying and cleaning of the oil-contained steel scrap comprises a frame, an exhaust gas emission pipe,a sedimentation-type dust remover, a cooler, high-voltage static purifying equipment, a by-pass flue, an induced draft fan and an exhaust funnel, wherein a connection air duct is arranged on the outer portion of the exhaust gas emission pipe, two ends of the connection air duct are connected with the exhaust gas emission pipe and the sedimentation-type dust remover respectively, the cooler is arranged on the outer side of the sedimentation-type dust remover, the high-voltage static purifying equipment is arranged on the outer side of the cooler, the by-pass flue is connected with the high-voltage static purifying equipment, the cooler and the sedimentation-type dust remover separately, the induced draft fan is arranged on the outer side of the high-voltage static purifying equipment, andthe exhaust funnel is arranged on the outer side of the induced draft fan. Through cooperative work among the sedimentation-type dust remover, the cooler and the high-voltage static purifying equipment which are additionally arranged, generated tail gas can be subjected to effective treatment, up-to-standard exhausting is achieved, and the environment is protected.

The invention discloses a method for preparing a hypha / molybdenum sulfide adsorption-catalytic material by utilizing biological enrichment. The method comprises the following steps that: a fungus strain is inoculated into a liquid culture medium, an ammonium molybdate solution and a thiourea solution are added when the diameter of the mycelium pellets of fungus in the liquid culture medium is 1cm,culture reaction is carried out for one day, the ammonium molybdate solution and the thiourea solution are added again, continuous culturing is carried out, a solid is taken out after the culture isfinished, the solid is washed to be neutral, and freeze drying is carried out; and the solid is carbonized, so that the hypha / molybdenum sulfide adsorption-catalytic material can be obtained. According to the hypha / molybdenum sulfide adsorption-catalytic material prepared by the invention, MoS2 is in close contact with a carbon skeleton, TA in a solution can be effectively oxidized and decomposed,and a removal rate reaches 95.5%; most of U (VI) is reduced into U (IV) and is uniformly distributed on the surface layer of the material, which indicates that the U (VI) is influenced by adsorption-catalytic reaction at the same time.

The invention discloses a method for preparing mycelium / molybdenum sulfide adsorption-catalytic material by bio-enrichment, comprising: inserting fungal strains into a liquid medium, when the diameter of the fungal mycelium ball in the liquid medium grows to 1 cm in diameter When adding ammonium molybdate and thiourea solution, add ammonium molybdate and thiourea solution again after culturing for one day and continue to cultivate. After the cultivation, the solid matter is taken out and washed to neutrality, and freeze-dried; the solid matter is carbonized, Obtain mycelia / molybdenum sulfide adsorption-catalytic material. The MoS of mycelia / molybdenum sulfide adsorption-catalytic material prepared by the present invention 2 In close contact with the carbon skeleton, TA in the solution can be effectively oxidized and decomposed, and the removal rate reaches 95.5%. Most of U(VI) was reduced to U(IV) and evenly distributed on the surface of the material, indicating that it was also affected by the adsorption-catalysis reaction.

The invention relates to a lithium ion battery negative electrode material with nanometer silicon reserved in a carbon shell and fabrication method and application of the lithium ion battery negativeelectrode material. According to the method, waste single-crystal micro powder wrapped with an organic matter is oxidized to a composite with nanometer silicon embedded into silicon oxide in one stepby wet advance oxidization, and an expansion-resistant structure with the nanometer silicon reserved in a carbon layer is formed by the traditional steps of coating a carbon layer through carbonization and corroding to remove the silicon oxide. By the method, solid waste is eliminated, the environmental pollution is reduced, and the cost of the nanometer silicon which can be used for the lithium battery negative electrode material is greatly reduced.

The invention discloses a method for recovering valuable metals in waste ternary lithium-ion battery powder. Firstly, put the waste ternary lithium-ion battery powder into a well-type furnace fed with oxygen for oxidative roasting to obtain a roasted product. The roasted product The content of medium carbon is reduced by more than 99%, and then the roasted product is dissolved in the ammonia-ammonium chloride solution system, put into the reactor, and hydrazine hydrate with a volume fraction of 1.6% is added as a reducing agent, and the pH value of the obtained leachate is adjusted to 8.00 According to the O / A ratio of 2, it was added to the extractant, wherein the volume fraction of Versatic 911 was 20%, the volume fraction of sulfonated kerosene was 80%, the reaction temperature was controlled at 30°C, and the raffinate was obtained by separation after 5 minutes of reaction And the organic phase, through three-stage countercurrent extraction, the extraction rate of cobalt is more than 98%. The invention uses simple equipment, low investment and operation costs, significantly reduced process energy consumption, and high recovery rate of valuable metals.

A system for treating industrial sewage has fluidized bed type reactor with forced circulation. Said reactor is divided into reaction region and deposition separating region. Said reaction region is the lower part of reactor and is divided into central and peripheral areas. Multiple ultraviolet lamps are arranged in reaction region. The lower part of reactor has water inlet. The deposition separating region and water outlet are positioned at upper part of reactor. Its advantages are high reaction speed and treated water capacity, easy operation, reuse of catalyst, and continuous running.