44results about How to "Foaming" patented technology

The invention relates to a high sulfur copper ore collecting agent, which is characterized by consisting of the following materials in part by weight: 40 to 50 parts of alkyl allyl thionocarbamate, 35 to 45 parts of sulfur nitrogen nitrile ester and 8 to 15 parts of alkyl xanthonic acid propionitrile ester. The collecting agent has double properties of collecting and foaming, high selectivity and high collecting capacity, can realize high-efficiency separation of copper and sulfur when the pH value is in a range from 7 to 10, can effectively improve the concentrate grade and the recovery rate, and has a wider application range.

The invention provides a method for roughing and tailings-discarding of fine rutile ore by multi-stage floatation, relating to the technique for roughing and tailings-discarding of fine rutile ore by multi-stage floatation and belonging to the technical field of mineral processing engineering. The method of the invention comprises the following steps: firstly, conducting the reverse floatation of rutile by using sodium oleate as a collector according to the characteristics that aluminum sulfate can inhibit the rutile and activate silicate minerals in varying degrees, so as to effectively deslime in the process of reverse floatation; and then, conducting the forward floatation of rutile by using lead nitrate (or lead acetate) as an activator of rutile and using sodium alkyl hydroxamate and benzyl arsonic acid (or styryl phosphonic acid) as a combined collector according to the characteristic that gangue minerals can be inhibited on a combined basis under the synergistic action of sodium fluorosilicate, carboxymethylcellulose and the residual aluminum sulfate in the ore pulp, briefly, the method of the invention can realize the roughing and tailings-discarding of fine rutile by the multi-stage floatation comprising the following steps: firstly, conducting the reverse floatation by inhibiting the rutile; and then, conducting the forward floatation by activating the rutile. The method of the invention has the advantages that the enrichment ratio and recovery rate of rutile are high, the tailings of rutile ore can be discarded thoroughly and the mineral processing cost of rutile can be greatly reduced.

The invention relates to a flotation agent for a copper mine and discloses a high-efficiency collecting agent for a high-sulfur copper mine. The collecting agent comprises the following materials in parts by weight: 30-40 parts of alkyl phosphorodithioic acid thioether ester, 25-35 parts of cyanoethyl diethyl dithionocarbamate, 10-20 parts of alkyl xanthic acid propionitrile ester and 10-15 parts of sulfur-nitrogen ester. The collecting agent for the high-sulfur copper mine has double functions of collecting and foaming, is good in selectivity and high in collecting ability, can realize high-efficiency separation of copper from sulfur in a low pH value (approximately 5) range, can effectively reduce the consumption of lime in the floatation process, can effectively increase the grade and recovery rate of concentrate, and has a wider application scope.

The invention belongs to fireproof sealing material, relating to an expanded silicone fireproof seal gum and a method of preparing the same. The formula components of starting materials of the seal gum are as follows by weight: 30 to 60 parts of alpha, berta-dihydroxy polysiloxane, 1 to 10 parts of coupling agent, 30 to 90 parts of filler, 1 to 10 parts of thixotropic agent, 10 to 50 parts of flame retardants, 1 to 10 parts of cross linkers, 1 to 10 parts of t adhesion agents, 0.1 to 5 parts of catalytic curing agents and 1 to 10 parts of foaming agents. The invention has excellent flame resistance fireproof performance, little corrosiveness to the base material, excellent comprehensive performance, and has foaming performance and better sealing performance; and the adhesive property can satisfy the operating requirements.

The invention relates to a flotation separation method for high-sulfur copper-zinc ore, which comprises the steps of (1) grinding crushed high-sulfur copper-zinc raw ore to obtain ore pulp; (2) under the condition that the pH value of the ore pulp is 7-8, adding inhibitors, namely, sodium sulfite and zinc sulfate, a collecting agent, namely, butyl xanthate and a collecting foaming agent, namely, ester-23 for copper roughing, and respectively obtaining copper rough concentrate ore pulp and roughing tailing ore pulp; (3) enabling the copper rough concentrate pulp to be subjected to three-time concentration operation, and obtaining copper concentrate; (4) conducting copper scavenging operation on the roughing tailing pulp twice, and obtaining copper scavenging tailings; (5) sequentially adding lime, copper sulfate, butyl xanthate serving as a collecting agent and 2 # oil into the copper scavenging tailings for zinc roughing, and respectively obtaining zinc rough concentrate ore pulp and zinc roughing tailing ore pulp; (6) carrying out three times of concentration operation on the zinc rough concentrate pulp to obtain zinc concentrate; and (7) conducting zinc scavenging operation on the zinc roughing tailing pulp twice, and obtaining zinc scavenging tailings. Efficient flotation separation of copper and zinc is achieved, and copper flotation return water and zinc flotation return water are recycled.

The invention discloses a high-efficiency flocculating agent for waste water treatment. The flocculating agent is a segmented-copolymer flocculating agent; and a segmented copolymer is one of the segmented copolymers with a linear structure, a star-shaped structure or high branching degree. The segmented-copolymer flocculating agent comprises at least two types of monomers which are acrylamide, acrylamide homologue, chitosan, glucose, aminoglucose, alkyl glucose, acyl glucose, glucuronic acid or carboxymethyl glucose. The high-efficiency flocculating agent disclosed by the invention has the beneficial effects that the whole segmented copolymer has higher molecular weight and more functional groups, so that various impurities in water are easily caught and the water quality is improved; the high-efficiency flocculating agent has excellent properties such as no toxicity, degradability, no pollution to environment, bacterium resistance, gel property, foamability, thickening property and surface activity; in addition, by forming of the segmented copolymer, the flocculation of all monomers is maximized, and the removal rate of suspended matters in sewage is more than 90%.

The invention relates to a method for regeneration treatment of industrial waster water treating water. The method comprises the following steps: firstly, pH valve of industrial waster water treating water entering into an adjusting tank is adjusted to 5 to 7; industrial waster water treating water, pH valve of which is adjusted, enters into a flocculation reactor; aluminium polychlorid, hexadecyl trimethyl ammonium bromide and starch-graft-polyacrylamide are simultaneously added into the flocculation reactor and are stirred for 2 to 10min in the temperature of 15 to 30 DEG C for flocculation decolorization reaction; industrial waster water treating water which is processed by flocculation decolorization reaction enters into an air-flotation separation cell, and then enters into a centrifugal machine for dehydration after a sediment scraper scrape out floc dross floating on the air-flotation separation cell; dehydrated floc dross is dehydrated by a pressure filter to form a filter cake; processed industrial waster water treating water can be used for dissolved-air water of the air-flotation separation cell and industrial water of regenerated water to be recycled. The method causes that COD of processed industrial waster water treating water is less than or equal to 60 Mg / L, chromacity is less than or equal to 30 degrees, thus achieving water quality standard of industrial water of regenerated water.

The invention discloses a combined zinc collecting agent for flotation of lead-zinc sulfide ore and application thereof. The combined zinc collecting agent comprises the following active components inparts by weight: 10-30 parts of ammonium dibutyl dithiophosphate, 30-50 parts of ethyl thiocarbamate and 30-50 parts of 2-aminothiophenol. According to the efficient combined collecting agent for sphalerite flotation, the combined collecting agent is composed of ammonium dibutyl dithiophosphate, ethyl thiocarbamate and 2-aminothiophenol and is easy to obtain, low in price, small in dosage and free of pollution. The ammonium dibutyl dithiophosphate is weak in collecting capacity, but has foamability, high sulfur and nitrogen collecting capacity and certain lead sulfide ore and zinc sulfide orecollecting capacity; compared with a conventional collecting agent butyl xanthate, 2-aminothiophenol has good flotation effect of on marmatite even under the condition that copper ion activation is not used, and has poor lead sulfide ore flotation effect; however, 2-aminothiophenol is a weakly acidic compound, and cannot fully react with zinc sulfide ore when a pH value is relatively low; and therefore, the components of the combined collecting agent can supplement each other.

The invention discloses a preparation method and application of an amido carboxylic acid compound. The preparation method comprises the step of subjecting organic carboxylic acid with a structure represented by a formula (I) shown in the description and an amino acid compound with a structure represented by a formula (II) shown in the description to a grinding reaction in the presence of a coupling reagent, thereby preparing the amido carboxylic acid compound with a structure represented by a formula (III) shown in the description. The product prepared by the method is high in yield, is energy-saving and environmentally friendly and does not need aftertreatment. According to the application, the amido carboxylic acid compound is applied to mineral flotation separation as a collector, and the collector has relatively high collection capability and relatively good selectivity and is particularly applicable to the flotation separation of minerals such as wolframite, scheelite, rare earthminerals, cassiterite, ilmenite, bauxite, manganese oxide ores, phosphorite and fluorite.

The invention relates to flammunlina velutipes cookies and a preparing method thereof and belongs to the technical field of food processing. The prepared flammunlina velutipes cookies are prepared from, by weight, 350-400 parts of low-gluten wheat flour, 70-100 parts of flammunlina velutipes whole wheat flour, 20-30 parts of water chestnut flour, 150-180 parts of safflower oil, 50-80 parts of butter, 80-100 parts of white granulated sugar, 150-200 parts of yolk, and 100-120 parts of unsalted butter. By adjusting the leavening order of the raw materials, the nutrients and taste of flammunlina velutipes are reserved at the greatest extent in the prepared flammunlina velutipes cookies, the cookies have rich nutrients and are crisp, high in quality and long in storage time, internal heat can not be generated after the cookies are eaten, the cookies are not creasy, the after-production additional value of flammunlina velutipes is increased, and transformation and upgrading of the flammunlina velutipes industry are promoted.

The invention belongs to the technical field of frozen dessert preparation and discloses health-preserving ice cream and a preparation method thereof. The method comprises the following steps of: adding soybeans into water to prepare soybean milk, filtering to remove bean dregs, heating for concentrating to obtain concentrated soybean milk, stirring, and beating to from abundant foam until the concentrated soybean milk is in a thick foam state; dissolving corn starch into the water, stirring to be in a pasting state under heating, and cooling to the room temperature to obtain corn starch paste; and adding the corn starch paste into the concentrated soybean milk in the thick foam state, adding olive oil, stirring and freezing to obtain the health-preserving ice cream. In the preparation process of the health-preserving ice cream, the emulsification can be realized by virus of the emulsifying property of the soybean milk instead of a traditional emulsifier, the corn starch plays roles in filling, stabilizing and formation assisting, soybean proteins and soybean phospholipid are used for replacing common animal protein and grease to realize the expansion rate increment and texture improvement in the ageing process of the ice cream, added roses and gardenia flowers have the effects of soothing liver-qi stagnation, beautifying and protecting the skin and is aromatic in smell, and hawthorn fruits have the effects of invigorating the stomach and helping the digestion.

The invention discloses a rubber plastic material for an elevator and a preparation method thereof. The rubber plastic material for the elevator is prepared from the following raw materials in parts by weight: 40-50 parts of natural rubber, 60-75 parts of butadiene styrene rubber, 5-15 parts of high styrene resin, 10-15 parts of dioctyl sebacate, 6-12 parts of phenolic resin, 5-13 parts of argil, 8-15 parts of medical stone, 10-14 parts of carbon black, 15-20 parts of zinc oxide, 10-15 parts of sulfur, 10-14 parts of a vulcanization accelerator, 12-15 parts of stearic acid, 13-16 parts of boric acid, 15-18 parts of a crosslinking agent and 15-21 parts of a surfactant. The rubber plastic material for the elevator has excellent abrasion resistance, comprehensive mechanical properties and good low temperature performance.

The invention discloses an efficient coal desulfurization method by flotation and biological coupling. The method comprises the following steps: firstly pulverizing coal with a pulverizer to a grain size below 150 meshes, then carrying out removal of inorganic sulfur from coal by a flotation technology, and then carrying out removal of organic sulfur from the float coal by pseudomonas stutzeri LH-42; and flushing, filtering and drying the coal subjected to desulfurization treatment. The float coal after desulfurization by flotation and biological coupling has a total sulfur removal rate up to 67.83%. The method disclosed by the invention integrates the advantages of simple operation, high efficiency and rapidness of flotation desulfurization, integrates the advantages of mild conditions and low cost of biological desulfurization, and effectively protects the coal characteristics, such as combustion heat and coking property. The method disclosed by the invention can significantly improve the desulfurization efficiency of coal, brings higher comprehensive utilization values of the coal, and is a desulfurization technology with very promising market prospects.

The invention discloses a bamboo charcoal low foam clothing-washing liquid, and belongs to the field of clothing washing, and the bamboo charcoal low foam clothing-washing liquid is prepared from the following raw materials by weight: 38-58 parts of water, 15-32 parts of fatty glyceride, 2.5-6 parts of aloe extract, 1.3-4.2 parts of polysorbate, 0.45-0.95 part of sodium carboxymethyl cellulose, 0.8-1.2 parts of polyvinylpyrrolidone, 1.5-4 parts of chamomile extract, 1.5-5 parts of bamboo charcoal, 1-5 parts of natural coconut oil, 0.8-4.6 parts of citric acid, 0.5-2 parts of flavor and 0.2-0.4 part of fully-transparent thickening powder. The bamboo charcoal low foam clothing-washing liquid having the advantages of protecting hand quality, low foam, easy cleaning and strong decontamination effect is provided.

The invention discloses a flotation coal slime collecting agent, which is prepared from an octene formylation residual liquid and a C1-6 short-chain alcohol under the action of a catalyst, wherein thecatalyst is one or a plurality of materials selected from concentrated sulfuric acid, concentrated hydrochloric acid, phosphoric acid, p-toluenesulfonic acid and solid acid. Compared with the traditional collecting agent diesel oil, the flotation coal slime collecting agent prepared through the method of the invention has characteristics of high collecting capacity and substantially reduced use amount, and well solves the problem of difficulty in efficient recovery treatment of octene hydroformylation by-products so as to effectively utilize resources.

The invention discloses an antibacterial deodorizing agent for a refrigerator and a preparation method thereof and relates to the technical field of the deodorizing agents. The antibacterial deodorizing agent is prepared from the following raw materials in parts by weight: 24-26 parts of herba lythri salicariae extract, 20-22 parts of honeysuckle flower extract, 13-16 parts of eucalyptus leaves oil, 4-6 parts of lauramidopropyl betaine, 4-6 parts of modified shell powder, 1-2 parts of potassium sorbate, 1-2 parts of humectant, 0.2-0.5 part of preservative, 45-50 parts of porous-type carrier and deionized water. The preparation method comprises the steps of preparing solvent components and the like. The antibacterial deodorizing agent disclosed by the invention is environment-friendly and safe, has no irritation, is fresh in odor, can realize lasting bacteriostasis and has a certain cleaning action.

The invention discloses a foamed silicone fireproof sealant. In parts by weight, the foamed silicone fireproof sealant comprises: 30-60 parts of α, ω-dihydroxypolysiloxane, coupled 1-10 parts of additives, 30-90 parts of fillers, 1-10 parts of thixotropic agents, 5-15 parts of inorganic flame retardants, 5-15 parts of nitrogen-based flame retardants, 1-10 parts of cross-linking agents, tackifiers 1-10 parts, 0.1-5 parts of catalytic curing agent, and 1-10 parts of foaming agent; the foamed silicone fireproof sealant has good bonding performance and strong flame retardancy.

The invention relates to the technical field of cosmetics. The invention discloses quantum-content process mild, nourishing and softening shampoo and a preparation method thereof. The shampoo containscarbomer, an anionic surfactant, piroctone ethanolamine salt, a cationic conditioner, cocamidopropyl betaine, cocamidomethyl MEA, olive oil PEG-8 esters, zinc pyrithione, a chelating agent, polydimethylsiloxane alcohol, C12-13 alkanol polyether-15, cetrimonium chloride, dodecylbenzene sulfonic acid TEA salt, a preservative, essence and water. The preparation method comprises the following steps:heating and mixing carbomer and water, and adding the anionic surfactant; then sequentially adding piroxone ethanolamine salt and a cationic conditioner, cooling, and then adding cocamidopropyl betaine; and sequentially adding the remaining components in the shampoo to obtain the shampoo. The shampoo has high softening and cleaning functions, and the combing performance and refreshing feeling of hair are improved.

The invention relates to the technical field of natural product extraction, in particular relates to a method for extracting a plant, and also relates to a shampoo composition containing components extracted by the method. The invention discloses a new method for extracting effective components of Aesculus hippocastanum seeds, the method can increase the content of escin, at the same time proteincomponents in the plant can be recovered, the anti-inflammatory effect and free radical scavenging of the product can be improved, raw material utilization rate is high, and repeatability is good. Atthe same time, the prepared extract can ensure the safety, efficacy and stability of the product without addition of another preservative due to the self antiseptic effect of the prepared extract. Thecarrying efficiency of the effective components in the shampoo composition can be improved, the efficacy of the extract in the optimized formula can be improved, and the synergetic effect of ''matrix-functional extract'' can be achieved.

The invention belongs to the technical field of daily chemical products and relates to shampoo composition. The shampoo composition containing tea extract is prepared from raw materials in percentage by weight as follows: the tea extract, an anionic surfactant, an ampholytic surfactant, a cationic polysaccharide polymer derivative, an anti-dangdruff agent, a non-volatile conditioning agent, a suspending agent and the balance of pure water. With the adoption of the extraction technology, cleaning capacity and emulsifying capacity of the tea extract can be reserved, and meanwhile, the anti-inflammation capacity of the tea extract can be reserved. By means of replacement of a part of chemically synthesized surfactants with the tea extract, reasonable construction of a composition system structure and limitation to key parameters of the raw materials, the consumption of the surfactants for the composition is low, irritation is low, the anti-inflammation effect is obvious, malassezia inhibiting effect is remarkable, and a good scalp care effect is achieved.

The invention relates to pleurotus eryngii cookies and a preparation method thereof, and belongs to the technical field of food processing. The pleurotus eryngii cookies are prepared from the following raw materials in parts by weight: 350-400 parts of self-raising wheat flour, 70-100 parts of pleurotus eryngii full flour, 20-30 parts of water chestnut flour, 150-180 parts of safflower oil, 50-80 parts of butter, 80-100 parts of white sugar, 150-200 parts of yolk and 100-120 parts of unsalted butter. The dispatching sequence of the raw materials is adjusted, so that the prepared pleurotus eryngii cookies furthest reserve the nutrition and the flavor of pleurotus eryngii, are rich in nutrition, fluffy and crisp in mouth feel, good in quality, high in forming rate, long in preservation time, and not greasy; after eating the pleurotus eryngii cookies, people do not suffer from excessive internal heat and do not have greasy sense the produced added value of the pleurotus eryngii is increased, and the transformation and the upgrade of pleurotus eryngii industry are promoted.

The invention relates to artemisia sieversiana essential oil microcapsules and a preparation method thereof, in particular to microcapsules prepared by taking natural plant extract purslane polysaccharide and soy isolate protein as wall materials and artemisia sieversiana essential oil as a core material. Therefore, the stability of the artemisia sieversiana essential oil in humid environments such as light, oxygen, high temperature and humidity can be improved, the activity of the artemisia sieversiana essential oil can be better preserved, and the release speed and uniformity of the artemisia sieversiana essential oil can be controlled. As the wall material is the natural plant extract, the safety is good, and the wall material also has rich nutritional value and medicinal value. The purslane polysaccharide and the soy isolate protein are used as wall materials together, so that the medicinal value of the purslane polysaccharide can be applied, the embedding rate of the microcapsule can be increased, and stable product quality is obtained.

The preparation method comprises the following steps: washing fresh wild radix puerariae, cutting fresh wild radix puerariae into radix puerariae slices with uniform thickness, soaking a dry hericium erinaceus product, crushing the material into diced hericium erinaceus, then adding the radix puerariae slices, the diced hericium erinaceus and a shrimp shell extract into water, performing mixing, pulping, gelatinizing and denaturing to prepare mixed pulp, inoculating candida utilis for fermentation treatment, adding epoxypropane and sodium trimetaphosphate for a cross-linking reaction, and obtaining prefabricated slurry; adding wheat protein isolate and pea drawing protein into water, performing uniform stirring and mixing to prepare vegetable protein slurry, uniformly mixing the vegetable protein slurry with the prefabricated slurry, and performing 60Co[gamma]-ray irradiation to obtain a premix; and finally, adding sodium alginate into the premix, performing uniform stirring and mixing, dropwise adding a calcium chloride solution with the mass concentration of 1-2% while stirring, carrying out partial gelation, and performing drying and twin-screw extrusion. The health-care food is good in eating taste and has a relatively good health-care effect on the liver.

The invention relates to the technical field of rubber and plastic preparation, and discloses a preparing method of anti-ageing rubber and plastic. The anti-ageing rubber and plastic is prepared from,by weight, 40-80 parts of natural rubber, 30-70 parts of butadiene styrene rubber, 5-10 parts of high styrene resin, 10-15 parts of dioctyl sebacate, 6-12 parts of phenolic resin, 3-5 parts of a vulcanization accelerator, 2-7 parts of an active agent, 0.1-0.5 part of an antioxidant and 5-10 parts of a light stabilizer. The antioxidant and the light stabilizer are added, the antioxidant can delayor restrain the oxidation process of the rubber and plastic material, prevent the ageing of the rubber and plastic material and prolong the service life of the rubber and plastic material, the light stabilizer can shield or absorb the energy of ultraviolet rays, quench singlet-state oxygen and decompose hydroperoxide into inert matter, and therefore high-molecular polymers under the irradiation oflight can eliminate or delay the photochemical reaction probability, prevent or delay the light ageing process and thus prolong the service life of the rubber and plastic product and effectively improve the anti-ageing performance of the rubber and plastic product.

The invention discloses a preparation method of a material with a good wave-absorbing effect. The wave-absorbing material comprises the following raw materials in parts by weight: 90-110 parts of epoxy resin, 10-30 parts of plastic microspheres, 4-10 parts of a curing agent, 5-15 parts of an accelerant, 50-150 parts of a wave-absorbing agent, 50-70 parts of aerogel, 10-30 parts of thermoplastic resin, 30-50 parts of magnetic metal powder and 60-80 parts of water. Through formulations by neutralization, an aerogel material is used as a carrier; magnetic metal powder, such as an iron material, is deposited into the aerogel; then thermoplastic resin is added; the insulation characteristic of the thermoplastic resin is utilized; the thermoplastic wave-absorbing material is prepared; the composite wave-absorbing material substrate with high resistivity is prepared, thermoset of epoxy resin and plastic microspheres is utilized; the curing reaction of the epoxy resin is improved by adding thecuring agent and the accelerant, so that the overall wave-absorbing performance and heat resistance of the wave-absorbing material are improved, the density of the composite material is reduced, theantistatic effect is improved, the material is lightened, and the utilization rate of the material is increased.

The invention discloses a collecting agent for flotation of complex and difficult-to-treat copper sulfide silver ore, which is prepared by mixing the following components in percentage by mass: 55 to 75 percent of sulfur nitrogen nitrile ester, 20 to 40 percent of ethionine ester and 5 to 15 percent of polyethylene glycol alkyl ether. The collecting agent disclosed by the invention not only has very strong collecting performance, but also has foamability, so that the cost of a foaming agent can be saved in production; due to the fact that the collecting agent MT-23 is high in capacity, the total consumption of the agent per ton of ore is extremely low; the flotation cost is saved by more than 25% compared with that of an existing agent; the collecting agent is non-toxic, odorless and easy to degrade, belongs to a green and environment-friendly mineral separation collecting agent, and has a wide popularization prospect. By the adoption of the method, the recovery rate of copper and silver can be remarkably increased on the premise that the quality of copper-silver concentrate products is guaranteed, and the method has the advantages of being simple in technological process, stable, reliable, high in applicability, simple in reagent system, small in reagent dosage, convenient to add and the like.

The invention discloses a rubber plastic material for an elevator and a preparation method thereof. The rubber plastic material for the elevator is prepared from the following raw materials in parts by weight: 40-50 parts of natural rubber, 60-75 parts of butadiene styrene rubber, 5-15 parts of high styrene resin, 10-15 parts of dioctyl sebacate, 6-12 parts of phenolic resin, 5-13 parts of argil, 8-15 parts of medical stone, 10-14 parts of carbon black, 15-20 parts of zinc oxide, 10-15 parts of sulfur, 10-14 parts of a vulcanization accelerator, 12-15 parts of stearic acid, 13-16 parts of boric acid, 15-18 parts of a crosslinking agent and 15-21 parts of a surfactant. The rubber plastic material for the elevator has excellent abrasion resistance, comprehensive mechanical properties and good low temperature performance.

The invention discloses a preparation method of a low-temperature oxygen bleaching composite activator. The preparation method comprises the following steps: firstly, preparing N-[4-(triethylanmine methyl) benzoyl] caprolactam chloride and sodium nonanoyloxybenzene sulfonate, and then mixing and compounding to obtain the low-temperature oxygen bleaching composite activator. The preparation method of the low-temperature oxygen bleaching composite activator is simple, feasible and low in preparation cost; according to the prepared low-temperature oxygen bleaching composite activator, the fabric is subjected to efficient bleaching by bleaching and scouring in a low-temperature near-neutral condition; and the bleaching system can have the advantage of saving energy sources, and does not cause obvious injuries to the fabric.

The invention discloses a fruit and vegetable detergent and a preparation method thereof. The fruit and vegetable detergent comprises, by weight, 25-35 parts of starch, 6-10 parts of soybean saponins, 1-5 parts of sodium fatty acid methyl ester sulfonate, 1-5 parts of alkylphenol polyoxyethylene, 3-10 parts of sodium gluconate, 1-3 parts of polyethylene glycol, 1-5 parts of hydroxyethyl cellulose, 0.5-2 parts of disodium ethylenediaminetetraacetate, 0.2-0.8 part of an antiseptic, 25-40 parts of ethanol, 0.6-1.8 parts of essential oil and 40-60 parts of water. The detergent can clean the surfaces and the deep layers of fruits and vegetables, and has the advantages of high activity, few residues, greenness and environmental protection, and small side effects.