552results about How to "Bactericidal" patented technology

The invention relates to an antibacterium nano fiber material and a preparation method thereof; the material comprises polymer superfine fiber and antibacterial agent, and the weight ratio is 60 to 98: 2 to 40; the preparation method comprises the following steps: (1) the antibacterial agent is dissolved in distilled water to prepare solution; the polymer superfine fiber is dissolved in methylene dichloride or chloroform organic solvent, emulsifier is added to be mixed evenly, to obtain solution which is dispersed evenly; (2) the two types of solution are mixed to obtain even water-in-oil W / O latex, and then electrostatic spinning is conducted to the latex, to obtain the antibacterium nano fiber material. The nano fiber material has good ventilation property and filterability, still has bacteriostasis and sterilization functions for a long time after stably releasing the antibacterial agent, has simple preparation method, adopts the biodegradable and bioabsorbable polymer as carrier materials, can be absorbed by the human body after fully releasing, is not left, does not need secondary operation and has no side effect.

A compound inhibition antisludging agent is used for treating high-concentration circulation water, comprising a liquid part and a solid part. Based on that the total weight of the liquid part is deemed to be 100 percent, percentages of each component by weight are: organic phosphonic acid 5-40 percent, organic carboxylic acid 5-40 percent and water 20-90 percent; and based on that the total weight of the solid part is deemed to be 100 percent, percentages of each component by weight are: polymer with antisludging effect 5-35 percent, alkaline agent 45-80 percent, azoles 1-10 percent and zinc salt 1-10 percent. The concentrations of the liquid part and the solid part in the circulating water are that: the solid part: the dosage of the agent added into make-up water is 20-200mg / L; the liquid part: total phosphine kept in the circulating water system is 10-15mg / L. The invention has effects of inhibition, antisludging, sterilization and algae removal upon meeting the requirements of the state, can promote the concentration multiple of the circulating water system up to 7.5 or more and can be operated at normal temperature with good effect and without pre-membrane treatment.

The inventive air-conditioning system comprises refrigeration and solution cycle systems. The refrigeration cycle system has a compressor, an evaporator, an expansion valve and a condenser. The solution cycle system has a dehumidifier, a regenerating unit, a solution reservoir, a solution pump, a mixed solution valve and a control valve. Because of adding a solution cycle system, the invention can realize the accuracy independent control of temperature and humidity.

The invention relates to an ecological dyeing method for dyeing a cotton fabric with mulberry red natural dye, comprising the following steps: preprocessing the cotton fabric and then dyeing the preprocessed cotton fabric with the mulberry red natural dye; adding metal salt for fixation; and soaping the fabric after fixation and then fixing colors to obtain the dyed fabric with even color, wherein washing fastness can reach 3-4degrees. The ecological dyeing method has simple dyeing process, high dye-uptake, good pigment stability and wide market prospect.

This invention is related to a process of disposing urban sewage, which comprise the steps of coagulate filtration, ozone oxidation, biological oxidation to dispose urban sewage, so that the residual undegradable organic substances, bacteria and virus in the second-class urban sewage can be removed and the water can be recycled. According to different usages of the recycled water, the process also comprises reverse osmosis or nanoscale filtration treatment to further remove the residual organic and inorganic substances in the water. The process is a combination of coagulate filtration, ozone oxidation, biological oxidation and reverse osmosis, designed to resolve such problems as urban sewage disposal and water recovery. The process can obtain high-quality recycled water with a low cost, showing high cost performance, which is important to resolving urban water depletion, raising the utilization rate of water resources, reducing environmental pollution and promoting sustainable development of the society.

The invention discloses organosilicon type marine antifouling paint binder. The structure of the paint binder is shown in the formula (1), wherein the paint binder is an organosilicon-polyurethane compound with bactericide side chain and R represents CH2CH3. The preparation method comprises the following preparation steps: 1) using chloropropylmethyldimethoxysilane and dimethyldimethoxysilicane to react and obtain chloropropyl-containing polysiloxane; 2) using chloropropyl-containing polysiloxane, tertiary amine and hydroxyl-containing tertiary amine to perform reflux reaction and generate polysiloxane with quaternary ammonium salt and hydroxyl; and 3) mixing isocyanate, butyltin dilaurate and polysiloxane with quaternary ammonium salt and hydroxyl with solvent, adding gamma-aminopropyltriethoxysilane to extend the chain and obtain prepolymer with the crosslinked group -Si(OCH2CH3), and using the prepolymer to perform crosslinking and condensation in the air and obtain the finished product. The organosilicon type binder has low surface energy performance and very good hydrophobicity; and the molecular chain has environmentally-friendly bactericide, thus the binder has very good bactericidal effect and marine antifouling effect.

The invention relates to a natural anti-staling agent suitable for the storage and the fresh keeping of mangos and a preparation method thereof. The natural anti-staling agent consists of eugenol or clove oil, methyl jasmonate, CaCL2, a solvent, water and a surfactant, wherein the mass volume ratio of the eugenol or the clove oil to the methyl jasmonate to the CaCL2 to the solvent to the surfactant to the water is 5-20:0.5-2.0:0.5-2.0:10-30:0.1-0.4:70-230. The preparation method comprises the following steps of: dissolving the methyl jasmonate in an organic solvent at the room temperature or in a water bath between 25 and 35 DEG C to prepare a methyl jasmonate solution; adding a proper quantity of the eugenol or the clove oil into the methyl jasmonate solution, and stirring and mixing the mixture evenly; then adding the CaCL2 into a small amount of the water until the CaCL2 is dissolved completely; adding the surfactant into water to prepare an emulsion of which the volume ratio is 0.5 to 1.0 percent; and finally, adding the emulsion into the methyl jasmonate solution added with the eugenol or the clove oil and into the CaCL2 solution to 100 percent, and mixing the two solutions to obtain the natural anti-staling agent. The natural anti-staling agent has the functions of fresh keeping and sterilization at the same time, and the mangos treated by the natural anti-staling agent has obviously relieved diseases, and the product appearance and the quality are obviously improved.

A millipore film is prepared from synthetic resin, thermoplastic elastomer, inorganic powder, lubricant and antibacterial agent through proportional mixing, filming and pore forming in solvent. It can be used for virus preventing clothing, diving suit, mountaineering wear, etc. Its advantages are high weight, good heat insulation, high air and moisture permeability, and high tension strength.

The invention provides a multifunctional air cleaning agent which comprises the following components in parts by weight: 35-80 parts of kieselguhr, 0.5-10 parts of nano titanium dioxide, 0.5-5 parts of dispersing agent, 0.1-1 part of rare earth activating agent, 50-100 parts of inorganic mineral powder and 30-60 parts of water, wherein the dispersing agent is sodium hexametaphosphate, sodium polyphosphate or ptassium triphosphate; the rare earth activating agent is gallium oxide, cerium oxide or neodymium oxide; and the inorganic mineral powder is gypsum powder or sepiolite clay powder. The multifunctional air cleaning agent is capable of efficiently absorbing and degrading harmful gases for a long time, and has the effects of deodorization, sterilization and anion release.

The invention provides a gargle, wherein each 1000ml of the gargle comprises green tea 60-90g, honeysuckle flower 60-90g, wrinkled gianthyssop 60-90g, peppermint 30-60g, borneol 0.4-0.8g.

The invention relates to a cellulose viscose producing process engineering using tea, which includes: tea stock preparation, cutting, screen selecting, material washing, preliminary treatment, cooking, desanding and concentrating, chloridization, alkali refining, albefaction, acid treatment, desanding and concentrating, manufacturing, impregnation, squeezing, comminution, old, yellowing, grinding, solubilization, filtering, debubbling, filtering, spinning, drafting, cut off, post treatment, drying, and packing, wherein, a demulcent pulping process is used in the manufacturing technique, a protecting agent is added, and an enzyme treatment process is added. The invention utilizes tea as raw material to produce cellulose viscose, which initiates tea application in textile industry; and reserves the intrinsic antimicrobial and antiradiation substance tea polyphenol in tea, and features of environment protection, pure and fresh, coolness, etc., thereby the fiber thereof has natural performance of antimicrobial, bacterium suppressing, sterilizing, antiradiation, etc., and a novel field is created for the development of the cellulose viscose functional products thereof.

The invention discloses a Chinese mugwort leaf pipe cigarette and a manufacture method thereof. A cigarette body (1) is in a hollow cylinder shape formed by pressing purely natural Chinese herbal medicine plant powder, and a hollow pipeline (2) is arranged in the cigarette body. The cigarette body comprises the following components: Chinese mugwort leaves, rhizoma atractylodis, ginseng, edible adhesive and natural edible essence. The manufacture method comprises the following steps of: fine selecting and weighing a medicament; pulverizing the rhizoma atractylodis and the ginseng into powder of 80-100 meshes to uniformly mix with the Chinese mugwort leaves which is pulverized into 70-90 meshes according to the proportion; adding the edible adhesive and the natural edible essence; then adding water till the mixture is clustered; placing the mixture into a die; pressing, molding and then taking out to dry in the air or dry at 35-45 DEG C. The common tobacco is replaced by Chinese herbal medicine, and the cigarette body is made into the hollow cylinder shape to improve the air inflow during suction; by utilizing a traditional Chinese medicine treating principle and smelling and sucking a human body, the absorption of the human body is more direct; a plant in the cigarette can fully play a medicament effect during burning, and the aims of inflammation elimination, sterilization, prevention and treatment of diseases and smoking quitting are achieved.

The invention relates to an integrated submersible photoelectromagnetism river and lake water purifying method and a device thereof. In the method, a sewage inhalation device, a gas-water mixer and a purifier which are successively connected are arranged at the bottom of a stream, a lake, an artificial lake, a fountain or a scenery fish pond. A water outlet of the purifier is arranged at a position near the water surface of the river and lake water; sewage water to be purified is inhaled by the sewage water inhalation device and is sprawled into the gas-water mixer in a jet flow way and at high speed after being magnetized strongly by a magnetizer; the sewage water in a gas mixing chamber of the gas-water mixer is forced to be mixed with ozone in the gas mixing chamber to compose a gas-liquid mixed flow; the mixed fluid is injected into the purifier; the high speed jet is utilized to involve and inhale sewage water near a water inlet of the purifier into the purifier; a photoelectric combined catalytic oxidation treatment is carried out on the sewage water mixed with the ozone in the purifier; then, outlet water forms a level circulating water flow on the periphery of the water outlet of the purifier to realize gradient exchange purification of the whole river and lake water. The integrated submersible photoelectromagnetism river and lake water purifying method and the device thereof have the advantages of less land occupation, little investment and operating cost and good purifying effect.

The invention discloses a wood preservative. The preservative comprises the following components, by weight, borate 15-45%, quaternary ammonium salt 6-15%, chlorothalonil 5-10%, cosolvent 4-10% and the balance solvent, wherein the solvent is one or a plurality of dimethylbenzene, glycerol and water, and the cosolvent is polyethylene glycol, urea formaldehyde preshrinking liquid or ethylene. The wood preservative is colorless, odorless, safe and environment-protection, simultaneously has the functions of corrosion prevention, mold prevention, insect prevention and antitarnish, and can rest assured use indoor and outdoor.

The invention relates to the technical field of pesticides and discloses a plant and animal-derived green environment-friendly pesticide and a preparation method thereof. The green environment-friendly pesticide is composed of wild plants, edible crops and animal bile, wherein the wild plants comprise Datura stramonium, castor seed and herba hydrocotylis wilfordi, the edible crops comprise king capsicum, garlic, Sichuan pepper and berberine, and the animal bile is fish bile, chicken bile or pig bile. The preparation method comprises the following steps: washing, crushing and squeezing the wild plants, carrying out chemical examination and extraction of alkaloid and screening out moisture impurities; washing and juicing or soaking the edible crops; washing an animal gallbladder and broking the animal gallbladder to obtain bile; and carrying out mixing and uniform stirring to obtain the pesticide. The pesticide prepared in the invention has bactericidal and anti-decay effects and the advantages of reasonable preparation, a cheap price, convenience in usage, capacity of being both sprayed and poured, no residual poison, no pollution, greenness and environment-friendliness and is applicable to poisoning of a variety of insects on a variety of plants like wheat, corn, cotton, fruit trees, vegetable, fruit and flowers and trees.

The invention relates to a method for drying fresh wolfberry fruits. The method comprises the following steps of: (1) selecting a material: picking fresh wolfberry fruits without pest and disease damage or mildew as a raw material; (2) cleaning: cleaning the picked fresh wolfberry fruits by using clean water, and then randomly sampling and measuring the initial water content of the fresh wolfberry fruits by a conventional method; (3) pricking: pricking the fresh wolfberry fruits obtained in the step (2) by using a needle or laser; (4) drying: uniformly spreading the pricked fresh wolfberry fruits on a turntable of a microwave vacuum drying box, performing vacuum drying, and performing forced air drying till constant weight to obtain dried wolfberry fruits; (5) measuring the dried water content: randomly sampling and measuring the water content of the dried wolfberry fruits by the conventional method, wherein if the water content is less than or equal to 13 percent, the dried wolfberry fruits are qualified; and (6) obtaining a finished product: grading and packing the qualified dried wolfberry fruits according to the quality requirements by adopting the conventional methods, and thus obtaining the finished product. The method is quick in drying, remarkable in effect and strong in operability, and easily realizes industrialized continuous production of wolfberry drying.

The invention discloses a Belgium blackberry soil acidity biological improver and a preparation method thereof. The Belgium blackberry soil acidity biological improver is prepared by using the following raw materials, by weight, 30-40 parts of cassava residue, 20-30 parts of plant straw, 15-20 parts of a tea seed cake, 10-15 parts of vegetable leftover, 5-10 parts of soybean curb residue, 20-30 parts of modified zeolite, 5-8 parts of rice husk charcoal, 12-16 parts of sodium silicate, 14-18 parts of polyacrylamide, 5-10 parts of carboxymethylcellulose sodium, 15-25 parts of urea, 10-15 parts of calcium superphosphate, 10-15 parts of boric acid and 8-12 parts of a pyroligneous liquor. The soil improver can adjust the pH value of soil, increases organic matters in the soil, promote the microbial activities of the soil and enhance the fertilizer water penetration of the soil, has the soil improvement, water retention and drought resistance effects, has a strong bactericidal activity, and can sterilize and disinfect the soil, inhibit the growth and reproduction of harmful microbes, reduce the occurrence of soil-borne diseases and insect pests, enhance the disease resistance capability of crops, improve the blackberry output and improve the quality.

The invention provides a preserving agent for litchi and a preparation method of the preserving agent for litchi and relates to the technical field of vegetable and fruit preservation. The preserving agent comprises the following raw materials in percentages by weight: 0.5-1.2% of traditional Chinese medicine extract solution, 0.2-0.5% of sucrose ester, 0.3-0.5% of sodium chloride, 0.5-0.8% of konjak glucomannan, 0.2-0.3% of nanometer TiO2 and water accounting for all the rest percentages; the traditional Chinese medicine extract solution comprises the following raw materials in parts by weight: 5-10 parts of pumpkin seeds, 3-6 parts of pseudolaricis, 3-6 parts of radix gentianae, 2-5 parts of aloes, 2-5 parts of Chinese honey locusts and 2-5 parts of ulmus macrocarpa hance. The Chinese herbal medicines are used as raw materials of the preserving agent; the Chinese herbal medicines are used as antimicrobial substances, the konjak glucomannan is used as film-forming substance, the sucrose ester is used as emulsifier, the sodium chloride is used for sterilizing and color-protecting and the nanometer material is used as excipient, so that the preserving agent for litchi is obtained. The preserving agent for litchi is capable of preventing litchi from browning and rotting, so that commodity rate of the litchi is raised.

The invention discloses an essence liquid containing tuber melanosporum extract and a preparation method thereof. The essence liquid comprises a component A, a component B and water. The component A comprises butanediol, diglycerin, sodium polyacrylate, xanthan gum, modified potato starch, betaine and disodium ethylenediaminetetraacetate. The component B comprises mulberry leaf extract, tuber melanosporum extract, a lactobacillus / soybean milk fermentation product filtrate, purslane extract, bifida ferment lysate filtrate, grapefruit seed extract, bifida ferment lysate, Aloe vera leaf polysaccharide, beta-glucan, 1, 2-pentanediol, 1, 2-hexanediol, p-hydroxyacetophenone, cladosiphon novae-caledoniae extract, hydrolyzed rice bran extract, a rice fermentation product filtrate, soluble proteoglycan, aloe extract, licorice root extract, radix angelicae sinensis, salvia miltiorrhiza flower / leaf / root extract, cornus officinalis fruit extract, wolfberry root extract, tremella polysaccharide, hyaluronic acid, and the balance of deionized water.

The invention relates to an electrolysis system for preparing hypochlorous acid water. The electrolysis system comprises an electrolysis bath, a tap water supply pipeline, a hypochlorous acid water discharge pipeline and a hydrochloric acid supply pipeline, wherein the electrolysis bath is divided into an internal groove for accommodating hydrochloric acid electrolyte and an external groove for tap water to flow through; an electrolytic strip is arranged in the internal groove; an electrolyte intake hole is formed at the lower end of the internal groove; a chlorine exhaust port communicated with the external groove is formed at the upper end of the internal groove; a water inlet hole for the tap water to flow in is formed on the lower side of the external groove; a water outlet hole for the hypochlorous acid water to flow out is formed on the upper side of the external groove; one end of the tap water supply pipeline is connected with a water inlet pipe, while the other end is connected with the water inlet hole; one end of the hydrochloric acid supply pipeline is connected with a hydrochloric acid container, while the other end is connected with the electrolyte intake hole; and one end of the hypochlorous acid water discharge pipeline is connected with the water outlet hole, while the other end is connected with a hypochlorous acid water container or is used directly. The electrolysis system has a simple structure and can effectively improve the generation rate of the hypochlorous acid water; and the produced hypochlorous acid water has sterilization, disinfection and environmental protection effects.

The invention discloses a coating method of an antibacterial surgical suture made of a high molecular absorbable material. The method comprises the following steps of: applying a dying process to a coating process; preparing a suture woven by using a warp loom; soaking a primary suture; uniformly spraying a coating liquid onto the suture by adopting a gas-free coating process; and drying and sizing. The suture is reddish violet and fresh in color, is smooth and flexible, is easy for knotting, has high knotting strength, and has the advantages of anti-inflammation, oxidation resistance, high degradability, long tension period and the like; and the safety of a knot is enhanced. The tensile strength is kept by about 70 percent two weeks after clinical suturing; slow absorption starts four weeks later; and the suture is absorbed completely 8-10 weeks later. As proved by clinical application, the antibacterial surgical suture has a wide application range and a good effect, is free from irritability, irritation and inflammatory reactions, and has the advantages of sterilization, anti-inflammation, bacteriostatic action and the like.

The invention discloses an environmentally-friendly indoor air purifying preparation. The environmentally-friendly indoor air purifying preparation is prepared from the following raw materials: a plant extracting solution, zinc diricinoleate, an activating agent, patchouli alcohol, a surfactant, lemon essential oil, flavone, tannic acid, ethylparaben sodium benzoate, coumarin, garlic liquid, a preservative and deionized water. The environmentally-friendly indoor air purifying preparation can efficiently capture and adsorb odor molecules such as amine and sulfide; the odor molecules can be degraded into harmless substances by physical and chemical combined action such as complexing, redox, neutralizing, adding, polymerizing or absorbing, adhesion and the like, so that odor is eliminated andbacteria in air can be effectively killed; meanwhile, the environmentally-friendly indoor air purifying preparation has the effects of killing and inhibiting bacteria and can quickly decompose harmful gases such as formaldehyde, benzene and ammonia in a space; the removal rate reaches 98 percent or above, and the pollution is thoroughly removed; in addition, dust particles in the air are not added after the air purifying preparation is used.

The invention relates to a nano silver / polyaniline compound antibacterial agent and a preparation method thereof and adopts a rapid mixing method to synthesize the nano silver / polyaniline compound antibacterial agent by one step. Polyaniline exists in the form of nano fiber, the diameter of which ranges between 50-200nm and the silver exists in a spherical structure with the diameter being 20-200nm. The compound antibacterial agent has excellent bactericidal effect on saccharomycetes, colibacillus, staphylococcus aureus and other various different strains, wherein the components of the polyaniline and silver present conspicuous coordinative antibacterial action. The antibacterial agent has low raw material cost, simple preparation process, good thermal stability and uniform distribution ofnano silver particles, overcomes the defect that a large quantity of chemical stabilizer, reducing agent and other harmful ingredients are added during the preparation process of amounts of nano silver antibacterial agent in the existing market, and meanwhile, has excellent biocompatibility, does no toxicity and harm to the human body and is easy for industrialization and high in economic and social values.

The invention discloses a visible-light-responded photocatalyst Li4M5O17 and a preparation method thereof. The chemical composition formula of the photocatalyst is Li4M5O17, wherein M is either Mo or W. The invention further discloses the preparation method of the photocatalyst. According to the photocatalyst and the preparation method, the preparation method is simple and is low in cost, and the prepared photocatalyst has excellent catalysis performance, has a role in decomposition of harmful chemical substances under the irradiation of visible light and is good in stability, thereby having good application prospects.

The invention relates to a method for preventing and controlling tissue culture seedling pollution by mercuric chloride. In the method for preventing and controlling tissue culture seedling pollution, the pollution of a polluted tissue culture seedling can be eliminated by a plurality of transfer periods, wherein each transfer period comprise the following two steps: (1) adding mercuric chloride into a culture medium of the tissue culture seedling; and (2) transferring the polluted tissue culture seedling on the culture medium containing the mercuric chloride. The mercuric chloride adopted by the invention is spectrum fungicide, has the effects of inhibition and sterilization on the polluted tissue culture seedling culture medium, has less dosage, can be directly added into the culture medium, carries out high pressure sterilization along with the culture medium and does not reduce the sterilizing effect; the pollution rate is reduced below 5 percent, the production cost can be effectively reduced, and economic benefits are improved; and as for some tissue culture seedlings rushing for a growing season, when the seedlings for production are polluted, the invention can eliminate the pollution, supplement the seedling dosage and reduce loss. In addition, the used culture medium carries out chemical processing so as to prevent pollution and be beneficial to environmental protection.

The invention discloses a compact-type water-soluble human lubricant, a preparation method of the lubricant, and a condom using the lubricant. The compact-type water-soluble human lubricant comprises the following components in percentage by weight: 30-47% of glycerol, 2-4% of tween-20, 0.05-0.15% of sodium hyaluronate, 0.1-0.3% of jasminum essential oil, 0.5-1.2% of aloe essential oil, and 48-66% of water. The compact-type water-soluble human lubricant has good compatibility with the naturally-selected body fluid of human body, is not greasy, has a pH value as same as the pH value of the normal physiological environment of female vagina, and has the effects of nourishing vaginal tissues, promoting cell growth, increasing muscle elasticity, and improving vaginal relaxation.

The invention relates to an interior photocatalytic coating, the preparation method and application thereof. The raw materials of the photocatalytic coating comprise titanium dioxide or a composite titanium dioxide sol containing other oxide and gold nanoparticles, wherein the content of the gold nanoparticles is 0.005-0.1g / 100mL. By the visible light absorption effect (the surface plasmon resonance effect) of Au nanoparticles, the photocatalytic coating undergoes a photocatalysis reaction under the effect of visible light. The disadvantages of using present titanium dioxide photocatalytic coatings usually outdoors (under sunshine irradiation) or exposed to ultraviolet rays are solved. The prepared photocatalytic coating containing Au nanoparticles can be used indoors and has functions of sterilization, pollutant oxidation and decomposition under the effect of visible light, greatly widening the application range of the photocatalytic coating.

This invention discloses an antiscale and scale remover that used in industrial cycle cooling water disposal. It is composed by humic acid natrium, sodium carbonate, starch, sodium heametaphosphate, the weight percentage is humic acid natrium 15-30%, sodium carbonate 65-75%, starch 2-10%, sodium heametaphosphate 1.2-2%. The compound can improve the water flowability and dispersibility. It belongs to environmental protection product and is no pollution. It has high temperature resistant. Sterilization can be done in working condition. It can be applied to calcium carbide furnace, ferrosilicon furnace, calcium silicon furnace, transformer and cooling water cycling and antiscale and scale remove of carbonization equipment in fertilizer plant.

The invention discloses an organic fertilizer with insecticidal and sterilizing efficacy, and a preparation method thereof. The organic fertilizer comprises animal night soil, dead insects, waste vegetable fibers, soybean meal, animal bones, rice washed water, an EM inoculant, Bacillus subtilis, pomegranate rind extract, shaddock peel extract, Eomecon chionantha extract, Osbeckia chinensis L. extract and Rhodomyrtus tomentosa extract. The preparation method comprises the following steps: fermenting an organic fertilizer to prepare organic fertilizer powder, and mixing the organic fertilizer powder with traditional Chinese medicine extracts to obtain the organic fertilizer with insecticidal and sterilizing efficacy. The organic fertilizer with insecticidal and sterilizing efficacy, adopting the common action of the organic fertilizer powder and the traditional Chinese medicine extracts, provides comprehensive nutrient substances for crops, and reaches the insecticidal and sterilizing purposes in advance.

The invention discloses a visible light response photocatalyst SrLa10V4O26 and a preparation method thereof. The chemical composition formula of the photocatalyst is SrLa10V4O26. The preparation method is as follows: (1) weighing 99.9% analytical pure chemical raw material SrCO3, La2O3 and V2O5 for dosing according to the chemical formula SrLa10V4O26; (2) mixing the dosed raw materials of the step (1) to put into a ball milling jar, adding zirconia balls and anhydrous ethanol for 8 hours of ball mill, mixing and finely milling, taking out and drying, sieving with a 200 mesh sieve; and (3) presintering the evenly-mixed powder at 850-880 DEG C, keeping warm for 6 hours, naturally cooling to room temperature, and diminishing the particle diameter by ball mill grinding to less than 2 microns to obtain the SrLa10V4O26 powder. The preparation method is simple and low in cost, and the prepared photocatalyst has good catalytic performances, can decompose hazardous chemicals under visible light irradiation, is good in stability, and has good application prospects.