125results about How to "High degree of degradation" patented technology

The invention relates to water deep treatment technology of heterogeneous catalytic ozonation depollution. With the combination of catalytic ozonation depollution technology with membrane filtration technology, a novel, high-efficient, and economical catalytic ozonation water deep treatment technology is provided, which combines the advantages of the two technologies, overcomes their disadvantages, effectively improves the ozone utilization rate and the ozone oxidation capability, reduces some toxic and harmful substances generated due to incomplete oxidation, alleviates the problem of ceramic membrane contamination, and prolongs the system operation period. An experiment device mainly comprises three parts: an ozone generation device, a ceramic membrane device, and a computer data acquisition and analysis system; an ozone outlet of the ozone generation device is connected with a water inlet valve of the ceramic membrane assembly through a silicone flexible pipe to realize the coupling of the two system. The method of the invention can improve the purifying effect of routine water treatment technology, and provides novel, high-efficient and cheap water deep treatment technology for enhanced removal of low-concentration high-toxicity refractory organic pollutants in water.

The invention discloses a producing technology for high-efficient bio-organic fertilizer through mixed fermentation combining bran, straw, vinasse and seaweed. The bran and the straw are used as raw materials and the vinasse, the seaweed and the like are supplemented. The high-efficient bio-organic fertilizer is obtained through the two-stage fermentation technology of the bio-leaven. The resource utilization level of the technology is high, the large-scale industrial production is facilitated, realizing of resource utilization of the bran, the straw and the like is facilitated, and the problems that the existing high-efficient bio-organic fertilizer is short and the agroecological environment is polluted. The product possesses the effects of biological bacterial fertilizer, organic fertilizer and seaweed fertilizer, the microbial balance in soil can be regulated effectively, the organic constituent and the inorganic constituent in organic matter, mineral substance and the like in the soil can be resolved, soil hardening, desertification, salinization and the like caused by abuse of chemical fertilizer year in year out are removed, the soil is improved effectively, the crop yield is improved, the special effects of improving crop quality and improving the stress resistance of the crop are achieved and the action period of the product is long; the high-efficient bio-organic fertilizer is the ideal fertilizer for developing green-ecological agriculture.

The invention discloses a novel process for preparing bioorganic fertilizer through wheat straw via recycling. According to the process, the recycling degree is high, large-scale industrial production is easy, wheat straw recycling is achieved easily, and the two problems that at present, straw burning pollutes the environment and efficient bioorganic fertilizer is in shortage are solved. The fertilizer has the effects of bioorganic fertilizer and the effects of seaweed fertilizer, is rich in seaweed functional active ingredients and a large number of probiotics, can effectively regulate balance of microorganisms in soil, decompose organic materials, mineral substances and other organic or inorganic components in the soil, eliminate soil hardening, desertification, salinization and other problems caused by fertilizer abusing all year round, effectively improve the soil and improve the crop yield and has the special functions of improving crop quality and improving crop stress resistance; in addition, the fertilizer has long action period, and is ideal fertilizer for developing green ecological agriculture.

The invention discloses a microbial oil recovery method. By the method, the crude oil production rate of a field test is improved by 12.5 percent. The microbial oil recovery method provided by the invention comprises the following steps of: 1) carrying out pure oxygen aeration on a culture solution of petroleum hydrocarbon degrading bacteria to obtain an injection solution which is subjected to the pure oxygen aeration; 2) mixing the injection solution which is subjected to the pure oxygen aeration in the step 1) and a bacteria solution which contains the petroleum hydrocarbon degrading bacteria to obtain a mixed solution; and 3) injecting the mixed solution which is obtained in the step 2) into an oil reservoir by a production well for oil recovery to obtain crude oil. The content of dissolved oxygen in the injection solution is increased in a mode of carrying out pure oxygen aeration on the injection solution in a storage tank, so the activity of aerobic and / or facultative microbes can be effectively improved, life activity such as growth metabolism of the aerobic and / or facultative microbes is quickened, the degree of hydrocarbon degradation is improved, and the crude oil production can be improved.

The invention discloses an organic pollution decomposing method in the water disposal domain, which comprises the following steps: aerating ozone and disposed water in the reactor with ultrasonic energy exchange device and honeycomb ceramic catalyst; setting the adding quantity per liter water at 0.4-200mg; setting the remaining time of water and ozone at 0.5-120min in the reactor; flowing out of reactor.

The invention discloses an efficient controllable photooxidation-biodegradable plastic film and a preparation method thereof. The plastic film comprises the following components in percentage by weight: 88-99% of polymer base material, 0.5-5% of hydrophilic modifier, 0.5-5% of nano titanium dioxide and 0.1-2% of light stabilizer. The preparation method disclosed by the invention comprises the steps of: melt blending and extrusion blow molding. The plastic film disclosed by the invention has the characteristics of high hydrophilcity, high degradation efficiency, high photocatalytic activity, wide light absorption range, short degradation time, controllable stable period, wide application range, simple production process, easiness for obtaining raw materials and the like, is suitable for the fields such as packages, agricultural films, plastic bags and the like, and can be degraded in a natural environment after being abandoned.

The invention belongs to the technical field of polymer material synthesis and preparation, and discloses biodegradable aromatic-aliphatic copolyester and a preparation method thereof. The biodegradable aromatic-aliphatic copolyester disclosed in the invention has the a constitutional repeating unit as shown in the specification, wherein R1 is selected from groups as shown in the specification; R3 is selected from Li, Na, K, Rb, Cs, Fr, Be, Mg, Ca, Sr, Ba or Ra; R4 is selected from Li, Na, K, Rb, Cs, Fr, Be, Mg, Ca, Sr, Ba or Ra; R2 is selected from groups as shown in the specification; n=1-1000; p=0-11; q=2-13. According to the invention, binary acid or ester containing a sulfonate group is added, which effectively improves the hydrophilic performance of the copolyester, makes polyester plastics be easier to be adsorbed, decomposed, and absorbed by microbe such as bacteria and the like, and provides plastics with better biodegradability.

The invention discloses washing-free hand sterilizing gel and a preparation method thereof, and relates to the field of wash supplies. The washing-free hand sterilizing gel is prepared from, by weight, 0.1-2 parts of 2,4,4'-trichloro-2-hydroxyl-diphenyl ether, 0.1-3 parts of carbopol, 1-100 parts of 75% ethanol, 0.1-5 parts of glycerol, 1-10 parts of plant extracts, 0.01-0.5 part of triethanolamine and 1-30 parts of deionized water. The prepared washing-free hand sterilizing gel is a washing-free hand sterilizing product, and the washing mode of traditional hand cleaning and sterilizing is broken; multiple plant extracts are adopted to replace chemosynthetic skin conditioners and functional components, the gel is conducive to skin protection, and after the hands are sterilized, skin surface lipid films are protected to avoid loss of skin moisture.

The invention discloses compound microorganism ecological bacterial manure prepared from feces of livestock and poultry and a preparation method of the compound microorganism ecological bacterial manure. The method comprises the steps that azotobacter chroococcum and pseudomonas putida separated from soil and pig feces are subjected to nitrogen ion implantation for mutagenesis, the high-activity mutant strains are screened; bacillus subtilis, bacillus laterosporus, azotobacter chroococcum, pseudomonas putida, saccharomycetes and lactic streptococci are independently and respectively fermented, and fermented bacteria liquid is obtained; mixing is carried out according to the volume ratio of 1-3:5-8:1-2:2-3:1.5-3:3-5 to obtain compound bacterial liquid; a fresh culture medium of cane molasses is added into the compound bactericide according to the mass concentration of 2-5%; potassium sorbate is added into the compound bacterial liquid according to the mass concentration of 2-2.5%., and uniform stirring is carried out; 0.4-1 g / L attapulgite is added, uniform stirring is carried out, and an active bactericide is obtained; the active bactericide is placed into a septic tank, dry-wet operation is carried out after feces is decomposed, and the solid part is the compound microorganism ecological bacterial manure.

The invention relates to the field of food processing, in particular to a method for extruding, puffing and modifying dietary fibers through blast action of carbon dioxide, which comprises the following steps: pretreating the raw materials of dietary fibers, mixing the raw materials of the dietary fibers with organic acid and inorganic base capable of generating carbon dioxide gas when meet water, carrying out extruding and puffing treatment, and the like. The method of the invention improves the degree of degradation and the degree of dispersion of dietary fibers through the blast action of the carbon dioxide gas; the content of soluble dietary fibers is greatly improved, and the maximum content of the soluble dietary fibers can be more than 3 times of the content of the raw materials; and the invention also has the advantages of convenient operation, high safety, less environment pollution and the like.

The invention provides a complex microbial agent for stabilizing treatment of stock garbage in cities and towns as well as a preparation method and an application of the complex microbial agent. The complex microbial agent contains sporotrichum thermophile, pseudomonas alcaligenes, halobacillus sp, bacillus subtilis, pseudomonas putida, candida utilis, saccharomyces cerevisiae, phanerochaete chrysosporium and lactobacillus plantarum. Growth metabolism, degradability and activity of all microbial strains in the complex microbial agent can effectively complement and cooperate with one another, the microbial strains can grow and propagate quickly in a landfill system to promote the temperature of a garbage treatment environment to increase quickly, meanwhile, organic matter, BDM and toxic andharmful substances in a landfill can be quickly and efficiently degraded, the stabilizing time of the garbage landfill is greatly shortened, stable harmless treatment of landfill is promoted, and thecomplex microbial agent can be applied to aerobic stabilizing treatment of garbage in cities and towns in practice.

The invention discloses a silage EM (Effective Microorganisms) microbial agent added with enzyme and trace elements and a preparation method and a use method thereof, belonging to the technical field of ensiling feed additives in the feed industry. The ensiling EM microbial agent added with enzyme and trace elements is prepared by mixing and compounding cellulase, saccharifying enzyme, pectinase, ferrous sulfate, zinc sulfate, copper sulfate and manganese sulfate with an organic carrier absorbed with EM original liquid. When in use, the microbial agent is activated by using milk washing water (residual milk obtained from washing a milk barrel and a milk cylinder), corn meal or wheat bran, then silage to be made is spread, closed and fermented, thus the fermentation survival rate of the silage can be effectively enhanced. According to the development and the application of the product in the invention, the residual milk of a milk cow culturing farm can be reasonably utilized, the feed resources are developed, the nutrition quality of the silage is improved, the trace elements needed by draught animals are replenished, the palatability is improved and the disease resisting capacity is increased, and an important function is obtained for the development of the feed industry and the animal husbandry.

The invention relates to a floating bed catalytic ozonation reactor and a method therewith for treating waste water. A floating catalyst bed assembly is installed in the reactor and is formed by an upper fixing frame, a lower fixing frame and a hanging rope. A porous annular plate is arranged on the hanging rope. One end of a flexible floating catalyst is fixed on the porous annular plate. A water distributing device is arranged above the reactor and is used for uniformly distributing waste water to all parts. An air inlet pipe and a water distributor are arranged under the reactor and are used for uniformly diffusing gas. In the invention, by means of the light-weight flexible fiber-like catalyst arranged on the floating bed, the catalyst is uniformly distributed in the space of the reactor, and with disturbance of ozone bubbles, the reactor is improved in gas-solid-liquid mass transfer efficiency and ozone utilization rate, is reduced in system resistance, and can decompose and mineralize refractory organic substances in waste water effectively.

The invention discloses a high-protein distiller's grain feed and a preparation method thereof. With distiller's grain and silkworm pupa powder as main materials, the preparation method for the high-protein distiller's grain feed utilizes a variety of strains ( such as phanerochaete chrysosporium, trichoderma reesei and aspergillus niger) to carry out step-by-step fermentation, and thereby lignin,cellulose and hemicellulose in distiller's grain are deeply degraded in succession. The invention effectively controls factors (such as choice and proportioning of carbon source and nitrogen source,oxygen input, intermediate degradation product, enzyme activator and inhibitor) in the process of microbial fermentation degradation, increasing the degradation rate of crude fibers, the utilization rate of distiller's grain and the feeding value of the distiller's grain feed. According to the high-protein distiller's grain feed prepared by the fermentation method disclosed by the invention, the crude fiber content is decreased by 12 to 15 percent, the crude protein content is increased by 25 to 28 percent, and the nutrition of the high-protein distiller's grain feed is closer to the nutritionof complete feed.

The invention discloses a rice processing method adopting essential oil mist spray and pulse microwaves. The method is characterized by comprising the technologies of primary screening, impurity removing, drying, dehumidification, rice hulling, rice milling, sequential atomizing wetting and drying, grinding, polishing, color sorting, grading, packaging and storing, and pulse microwave pest prevention and mildew prevention. The garlic essential oil and the cinnamon essential oil are mixed to obtain composite essential oil; the garlic essential oil has a good inhibition effect on the aspergillus flavus; and the composite essential oil has good anti-bacteria and aging-delaying effects so that the generation of bacterial colonies and the generation of rice fatty acid can be inhibited. During the rice storage period, the rice is subjected to pest prevention and mildew prevention treatment by using pulse microwaves; the pulse microwaves cause the pests to be abnormal in nerve conduction and disordered in behavior, and the fatality rate of the pests and the aspergillus parasiticus is high; and by using the pulse microwave treatment, the hatching rate of pest eggs is reduced, the survival capacity of the pests is reduced, and the obtained rice is good in quality.

The invention relates to a method for processing wastewater by using a photocatalytic reaction. According to the method, the photocatalytic reaction is carried out by using immobilized TiO2 or transition metal-doped TiO2 as a catalyst and the wastewater as a reaction medium, wherein the TiO2 is anatase TiO2; the transition metal is a rare earth element; a loading amount of the immobilized TiO2 or transition metal-doped TiO2 is 0.82%-1.24% (by weight); and the usage amount of the immobilized TiO2 or transition metal-doped TiO2 is 5-12 g in 1 L of the wastewater. A reaction light source of the photocatalytic reaction is a visible light source or an ultraviolet light source. The invention also relates to a photocatalytic reactor capable of realizing the above method. With the method provided by the invention, the photocatalytic reaction catalyzed by TiO2 can be carried out under the visible light and has high reaction rate.

The invention relates to a method of degrading phosphate tri(2-chloroethyl) ester by adopting bacillus thuringiensis. The method comprises the following steps: at 30 DEG C, inoculating bacillus thuringiensis into a phosphate tri(2-chloroethyl) ester degrading culture medium; after constant-temperature shaking table degradation culture, measuring the concentration of residual phosphate tri(2-chloroethyl) ester in culture fluid by adopting gas chromatography-mass spectrometry (GC-MS), and then analyzing the degrading effect of the bacterial strain on phosphate tri(2-chloroethyl) ester. The method has high environmental adaptation, relatively high degradation degree on organic phosphorus fire retardants, and relatively low cost in comparison with the cost of other methods.

The invention discloses a method for liquefying surplus solid residue in the enzymolysis saccharification and ethanol fermentation by adopting lignocellulose as a raw material. The method is characterized in that the solid residue is liquefied in a high-pressure vessel in the presence of a catalyst and an organic solvent, wherein the organic solvent is absolute ethyl alcohol, anhydrous propyl alcohol or absolute butanol, and the catalyst is aluminum chloride, aluminum sulfide and zinc sulfide. The catalyst which is specially selected by an inventor is added in the method, so that the liquefying temperature is effectively lowered, the liquefying rate of the fermented solid residue and the residue degrading degree can be improved, and more liquid products with smaller molecular weight can be generated. The method can be widely used for liquefying the residue produced by fermenting the biomass fuel ethanol and lignocellulose-rich biomass raw material and has the advantages of low liquefying temperature, simplicity in process, high efficiency and the like, and the raw materials are easily obtained.

The invention discloses degradable environment-friendly bionic bait and relates to the technical field of bionic bait. The degradable environment-friendly bionic bait is prepared from the following ingredients of PVC resin, polylactic resin, alkali treated bamboo fiber, cross-linking sodium carboxymethylcellulose, a plasticizer, a coupling agent and filler. Therefore, physical mechanical performance of the prepared bionic bait is improved; furthermore, the degradable environment-friendly bionic bait further can have good degradability, quick degradation velocity and high degradation degree; thus, the whole degradation effect on the bionic bait can be achieved through destructive effects on chemical bonds in the polylactic acid, the cross-linking sodium carboxymethylcellulose and the calcium carbonate.

The invention discloses a closed-cycle circular yellow wine brewing method by squeezing yellow wine lees, and belongs to the technical field of yellow wind brewing. The method comprises the following steps: extruding the yellow wine lees after adding enzyme or not, mixing with yellow wine raw materials subjected to cooking pre-treatment of the traditional yellow wine brewing process, and then fermenting, wherein the obtained yellow wine lees as the secondary raw material are recycled according to the steps so as to form a well-behaved closed-cycle circular process. According to the method disclosed by the invention, the utilization rate and the liquor yield of the yellow wine lees are increased, the prepared yellow wine is unique in refreshing taste and rich in nutrient, and the high-valued recycling of the lees waste is realized.

The invention discloses a method for restoring shriveled inscribed bamboo slips through swelling, and relates to a method for restoring cultural relics of the inscribed bamboo slips, in particular to components of a material for restoring low intensity inscribed bamboo slips and the shriveled inscribed bamboo slips which are obtained in archaeological excavation, and a method for preparing and restoring the same. The method comprises the following steps: (1) cleaning the shriveled inscribed bamboo slips by using distilled water; (2) soaking the cleaned shriveled inscribed bamboo slips in a bamboo swelling material for 3 to 7 days; (3) soaking the swollen shriveled inscribed bamboo slips in a bamboo restoring material for 7 to 10 days; and (4) placing the obtained bamboo slips at a cool and ventilated place to be dried naturally. The method obviously improves the intensity of the shriveled inscribed bamboo slips, strengthens the folding strength, the tearability, the bursting strength and the tensile strength, and improves the drainability. Besides, the method is suitable for restoring the shriveled inscribed bamboo slips through swelling.

The invention provides a method for preparing rapeseed peptide through lysozyme synergistic solid state fermentation, which aims at solving the problem of low yield of the rapeseed peptide through single mixed bacteria solid state fermentation in the prior art. The method uses the bacteria and mould capable of producing protease as well as protease to prepare the rapeseed peptide through synergistic solid state fermentation of rapeseed dregs, and comprises the following steps of smashing the rapeseed dregs, preparing a leavening agent, solid state fermenting, deactivating the enzyme, separating and removing residues, decoloring, debitterizing, desalting, separating and purifying, and drying so as to obtain rapeseed peptide powder. According to the method, on one hand, solid state fermentation of microorganism generates multiple metabolic products and enzymes, so as to hydrolyze protein and effectively degrade toxic substances in the rapeseed dregs, compared with the enzymolysis method, the method improves the efficiency and greatly lowers bitter; on the other hand, the added neutral protease plays a helping role in peptide fragment, compared with fermentation through single microorganism, the method greatly improves the degradation degree of the protein, and improves the yield of the rapeseed peptide.

The utility model relates to a neutral environment-friendly and high-efficiency type cleaning agent. The neutral environment-friendly and high-efficiency type cleaning agent is characterized by beingprepared from the following components by weight: 75 to 85% of purified water, 5 to 10% of complex dispersant, 5 to 15% of surfactant, and 1 to 3% of alcohol ether solvent. The neutral environment-friendly and high-efficiency type cleaning agent has the advantages that by adopting the water-based cleaning agent, and compounding with the surfactant and the complex dispersant, the superstrong cleaning effect is realized,; by adding the alcohol ester solvent, the fusion of the surfactant is enhanced; the selected complex agent has strong complex ability and is degradable, and the environment-friendly effect is realized; the surfactant adopts a non-ionic surfactant, and the degrading degree is high.

The invention relates to an acetylesterase of which the amino acid sequence is disclosed in a sequence SEQ ID NO:1. The acetylesterase AesA shows a catalytic activity for various acetylated substrates, the degradation degree of [beta]-mannase for acetylated mannan can be improved, so that the acetylesterase has an application value in an acetylated mannan hydrolysis process, and the acetylesterasecan be applied to an aspect of the degradation of the acetylated mannan by the [beta]-mannase.

The invention discloses health yellow wine for lowering blood sugar and blood fat and a preparation method of the health yellow wine. The health yellow wine is prepared from the following raw materials in parts by weight: 40-60 parts of glutinous rice flour, 2-3 parts of edible salt, 10-15 parts of corn kernels, 10-15 parts of buckwheat grains, 6-9 parts of cucumber, 4-6 parts of dark tea, 4-6 parts of sargassum fusiforme, 4-6 parts of Lycium ruthenicum, 2-3 parts of radix puerariae, 4-6 parts of leaves of cyclocarya paliurus, 3-5 parts of basil seeds, 10-15 parts of acid soluble soy protein,a proper amount of alpha-amylase and complex enzyme and a proper amount of glucoamylase and yellow wine dry yeast. Various natural raw materials with functions of reducing blood sugar and reducing blood fat are selected and improvements are made on the basis of the traditional yellow wine production process, effective components of the raw materials can be fully retained, and nutritional and health value of the yellow wine is improved; the finished yellow wine is clear in body, soft in taste, unique in flavor, fragrant in bouquet, obvious in fragrance retention and high in stability.

The invention discloses a machine wash tableware detergent and a preparation method thereof. The machine wash tableware detergent is prepared from the following raw materials by weight: 29-39 parts of a surfactant, 1-6 parts of a natural dirt remover, 0.05-2 parts of a detergent aid, 1.2-1.9 parts of a sterilization component, 0.1-1 part of a preservative, and the balance deionized water. The obtained machine wash tableware detergent combines the surfactant with the natural dirt remover, has strong detergency, additionally contains the detergent aid sodium citrate, which has chelation, pH value adjustment and rinsing assistant effects and can make up the disadvantage that formaldehyde can be generated after decomposition of the chelating agent EDTA, and the sterilization component utilizes multiple Chinese herbal extracts for compounding to achieve sterilization, thus greatly improving the sterilization effect, use of the plant extracts for sterilization has the advantages of easy degradation, environmental protection, no pollution and no toxicity. In addition, the preservative also utilizes a variety of preservatives for compounding, and has effect better than that of single preservative.

The invention discloses a method for preparing compound amino acid through extensive enzymatic hydrolysis of soybean protein. The method comprises the following steps: carrying out extrusion treatment on soybean isolate protein filled with water through a screw rod expansion extruder and crushing the extruded soybean protein; preparing the crushed soybean protein powder into a soybean protein solution by using water, dispersing and hydrating; raising the temperature to 45-55 DEG C, regulating a pH value to 8-9, adding alkaline protease, stirring at a constant temperature of 45-55 DEG C for enzymatic hydrolysis till the pH value of the system is 7-7.5, adding neutral proteinase and flavored proteinase, starting a secondary ultra-filtration system to carry out enzyme membrane reaction and pumping trapped fluid of a first stage of ultra-filtration membrane and trapped fluid of a second stage of ultra-filtration membrane to a reaction tank for reuse; when the size of a reaction substrate is reduced to 1 / 4, supplementing the same volume of water; concentrating, sterilizing, atomizing and drying a permeate of the second stage of ultra-filtration membrane to obtain the compound amino acid powder. Through the method, the yield is high, and the content of free amino acid in the obtained compound amino acid accounts for more than 40 percent of the total amino acid content.

The invention relates to the field of biotechnology, in particular to a straw decomposing agent and preparation and application thereof. The straw decomposing agent comprises a composite microbial agent I and a composite microbial agent II, the composite microbial agent I can effectively decompose pectin, a polysaccharide-polysaccharide composite and a lignin polysaccharide composite existing in straw cell walls into free polysaccharide, the degree and speed of the decomposing is further increased, the preparation method of the straw decomposing agent is simple and practical, the activity of the microbial agent is good, the enzyme production is high, a prepared straw organic fertilizer is rich in nutrients, the soil condition is effectively improved, the regeneration speed is fast, the preparation method includes pretreatment, a fermentation step I and a fermentation step II, combined with decomposing fermentation, the decomposing degree and speed of the straw organic fertilizer is effectively improved, and the practicability is good.

The invention relates to the field of microorganisms. High-temperature thermophilic bacteria comprise bacillus stearothermophilus and at least one of bacillus amyloliquefaciens, bacillus subtilis, inorganic phosphorus solubilizing bacteria and organophosphorus solubilizing bacteria. According to the high-temperature thermophilic bacteria, traditional thermophilic bacteria for degrading organic refuses are optimized, the high-temperature thermophilic bacteria formed by mixing at least two bacterial species are adopted, the degradation rate of the organic refuses is increased, and the degradation speed is increased.

The invention discloses an odor-removing composite double-chain quaternary ammonium salt disinfection preparation and a preparation method thereof. The invention belongs to the technical field of disinfectants. The disinfection preparation comprises the following components in parts by weight: 0.1 to 5 parts of a radix sophorae flavescentis extract, 0.1 to 1 part of double-chain quaternary ammonium salt disinfectant, 0.01 to 1 part of single-chain quaternary ammonium salt, 1 to 20 parts of a betadex derivative, 0.1 to 1 part of a non-ionic surfactant, 0.0001 to 0.001 part of an essence and 70to 95 parts of water. The raw materials are wide in source, and through the synergistic effect of the raw materials, the prepared finished product is non-corrosive and non-irritant, can be suitable for air disinfection and object surface disinfection, can kill pathogenic bacteria, viruses and molds, and can remove peculiar smell (deodorization) spray. The disinfection preparation is suitable for epidemic spray disinfection and daily sanitary spray disinfection, can be quickly absorbed, sterilized and disinfected after being sprayed, can quickly diminish inflammation and relieve itching, has noadverse irritation, and has a wide application prospect.