357 results about "Rhamnolipid" patented technology

The invention provides a high-temperature-resistant and high-salt-resistant nano imbibition agent as well as a preparation method and application thereof. The high-temperature-resistant and high-salt-resistant nano imbibition agent is prepared from amination modified mesoporous silica nanoparticles, nano cellulose, rhamnolipid, an anionic surfactant, citrate modified sodium zirconium phosphate, polyethylene glycol-b-polycaprolactone and a sulfydryl-carboxyl imidazoline derivative, therefore, the composite carrier formed by the aminated mesoporous silica nanoparticles and the nanocellulose has high mechanical strength and uniform dispersity, the oil-water interfacial tension is reduced through the synergistic effect of the rhamnolipid and the anionic surfactant, and the crude oil stripping efficiency is remarkably improved; the citrate modified sodium zirconium phosphate enables the salt resistance of the system to be greatly improved, and in a high-temperature and high-salt oil reservoir environment, the nano imbibition agent can remarkably improve the crude oil recovery rate and reduce the injection pressure and dosage; meanwhile, good adsorption resistance is achieved, and reservoir blockage is prevented; in addition, low-toxicity corrosion inhibition components protect equipment, and the service life of an oil well is prolonged.

The invention belongs to the technical field of microbial fermentation, and particularly relates to pseudomonas aeruginosa and application thereof. According to the specific technical scheme, the pseudomonas aeruginosa HY-8 is preserved in the Guangdong Microbial Culture Collection Center on October 24, 2024, and the preservation number of the pseudomonas aeruginosa HY-8 is GDMCC (China General Microbiological Culture Collection Center) NO: 65339. The invention provides a strain of pseudomonas aeruginosa which can tolerate high-concentration ethanol and can produce rhamnolipid at high yield. The pseudomonas aeruginosa is used for producing the rhamnolipid through fermentation, and ethanol is added in the fermentation process, so that the problem that a large amount of foam is generated in the fermentation process can be effectively solved, the normal growth of the pseudomonas aeruginosa cannot be influenced, and the continuity and stability of the rhamnolipid produced through fermentation can be ensured, thereby greatly improving the yield of the rhamnolipid produced through fermentation.

The invention discloses an application of rhamnolipid in improving transparency and a shampoo, particularly discloses an application of a rhamnolipid composition in improving transparency of a daily chemical product with a cationic conditioner, and discloses the shampoo which comprises a surfactant and the cationic conditioner, the surface active agent comprises rhamnolipid and a group consisting of other surface active agents except the rhamnolipid; the mass ratio of the rhamnolipid in the shampoo is more than 0.5%, and the mass ratio of the cationic conditioner in the shampoo is more than 0.01%. When the rhamnolipid is applied to the daily chemical product with the cationic conditioner, excellent transparency is shown, the transparency defect caused by the fact that a surfactant surfactant formula purely using a petrochemical source is used in cooperation with the cationic conditioner is overcome, and meanwhile the defect of the rhamnolipid in the aspect of foam is avoided; and the user experience of consumers is better.

The invention provides a Burkholderia thailantensis DIS2 bacterium, a Burkholderia thailantensis DIS2.1 bacterium, a bacterium with all recognition characteristics of the Burkholderia thailantensis DIS2 bacterium and the Burkholderia thailantensis DIS2.1 bacterium, and a mutant of the Burkholderia thailantensis DIS2 bacterium and the Burkholderia thailantensis DIS2.1 bacterium. The invention also provides a Starmerella bombicola DIS4 yeast, a yeast with all recognition characteristics of the Starmerella bombicola DIS4 yeast, and a mutant of the Starmerella bombicola DIS4 yeast. Also provided are methods for producing rhamnolipids and methods for producing sophorolipids. In order to produce rhamnolipids, raw materials comprising waste carbon sources and fried edible oil are fermented with Burkholderia Thailand, mutants or variants thereof. Similarly, in order to produce sophorolipids, a raw material comprising a waste carbon source and a deep-fried edible oil is fermented with Starmomyces sp., a mutant or a variant thereof.

The invention discloses a rhamnolipid self-emulsifying skin care emulsion, a preparation method and an application, particularly discloses an application of rhamnolipid in maintaining the pH value of the skin, moisturizing the skin or promoting permeation, and discloses the rhamnolipid self-emulsifying skin care emulsion which is prepared from a water phase and an oil phase, the water phase can contain acid or alkali, and the oil phase can contain oil or water. The mass ratio of rhamnolipid in the skin care lotion is greater than or equal to 0.2%; the pH (Potential of Hydrogen) value of the skin care emulsion is 5.0 to 6.0. The skin care emulsion not only has high moisture retention, high stability and high infiltration capacity, but also has the advantage of maintaining the pH value of the skin for a long time.

The invention discloses a high-load curcumin water-soluble nanocrystal prepared by a microfluidic device and a method thereof, and relates to the technical field of nanocrystal processing, the microfluidic device comprises a molecule assembly section and a nanocrystal assembly section, the molecule assembly section comprises a feeding micro-channel and a molecule assembly channel, and the nanocrystal assembly section comprises a nanocrystal assembly channel. The nanocrystal assembling section comprises at least one nanocrystal assembling channel of a spiral backflow structure. The method comprises the following steps: S1, preparing a soybean protein isolate solution, a rhamnolipid solution and a curcumin solution; s2, respectively introducing the materials into a feeding micro-channel, firstly mixing the soybean protein isolate solution and the rhamnolipid solution, then enabling the mixture and the curcumin solution to enter a molecular assembly channel together, and mixing for molecular assembly; and S3, continuing to enter the nanocrystal assembly channel for nanocrystal assembly to obtain the nanocrystal. According to the invention, a microfluidic technology is combined with a pH driving method, so that highly accurate control on the size of the nanocrystal is successfully realized, and the encapsulation efficiency, the loading capacity and the water solubility of the nanocrystal are remarkably improved.

The invention discloses a plant multi-effect stress-resistant agent and a preparation method thereof, the plant multi-effect stress-resistant agent comprises the following raw materials by weight: 30-40 parts of a modified carrier, 20-30 parts of zeolite powder, 5-10 parts of plant ash, 5-7 parts of compound amino acid, 5-10 parts of a seaweed extract, 15-25 parts of humic acid, 3-5 parts of betaine, 2-3 parts of rhamnolipid, and 0.5-0.8 part of trace elements. The plant multi-effect stress-resistant agent is prepared by compounding a plurality of raw materials according to a scientific ratio, so that the resistance of plants to a plurality of stresses is effectively improved, the growth vigor of the plants is enhanced, and the yield increase and quality improvement of crops are promoted.

The invention discloses a seed pelleting formula for improving salt tolerance of suaeda salsa in coastal saline-alkali soil and a processing method, the pelleting formula comprises 348-492 parts of a filler, 348-492 parts of a binder, 348-492 parts of a water-retaining agent and 348-492 parts of a biological stimulant, and the filler comprises attapulgite, talcum powder and vermiculite; the binder is 73-89 parts and comprises sodium carboxymethyl cellulose, polyvinyl alcohol and starch; the water-retaining agent accounts for 30 to 42 parts, and the water-retaining agent is polyacrylamide; the biological stimulant is prepared from the following components in parts by weight: 20-78 parts of yeast metabolite, potassium fulvate, seaweed essence, rhamnolipid and a microbial agent; the processing method comprises the steps of seed selection, raw material preparation, layered coating, low-temperature drying, selection and sieving, and polishing and shaping. According to the invention, a layered coating process is adopted to break through a traditional single mixed coating mode, an isolation breathable microenvironment is firstly constructed by the filling layer, then growth-promoting stress-resistant nutrient substances are injected by the active layer, and finally, the shaping layer is used for locking and shaping and strengthening protection, so that the seeding performance, salt tolerance, germination activity and seedling stress resistance of the pellets are remarkably improved.

The invention relates to microbial colorant compositions and associated processes to produce the same. Microbial colorant compositions are produced by combining microbially derived pigment molecules and microbial biosurfactants. The pigment molecules are obtained either directly from a fermentation broth or by extracting a precursor and transforming it into a pigment using chemical or enzymatic processes. A separately produced biosurfactant, such as a rhamnolipid or surfactin, is added to the obtained pigment molecule to create a pre-dispersed formulation. The biosurfactant may be added at various steps of This approach improves pigment dispersion, solubility, and substrate compatibility, enabling stable aqueous formulations without synthetic additives. The resulting compositions are suitable for wide range of applications including in textiles, food, cosmetics, and polymer materials. Processes for producing and combining the pigment and biosurfactant are also disclosed, including variations in fermentation, extraction, and formulation stages.

The invention discloses a Pseudomonas putida high-yield rhamnolipid fermentation medium based on a step-by-step optimization strategy, an optimization method and application thereof, through the step-by-step strategy of component screening-single-factor optimization-multi-factor interactive optimization, a mixed carbon source and a mixed nitrogen source are taken as cores, and a Plackett-Burman test, a steepest climbing test and Box-Behnken response surface design are combined, so that the high-yield rhamnolipid fermentation medium for the pseudomonas putida high-yield rhamnolipid is obtained. Optimizing to obtain a special fermentation culture medium; two genetic engineering strains estA-2 and estA-3 are constructed by heterologous expression of key genes, and the supply and extracellular transport efficiency of a rhamnolipid synthesis precursor is enhanced; the recombinant strain is applied to the optimized culture medium, and efficient production of a shake flask and a 5L fermentation tank is achieved. The rhamnolipid yield of the estA-3 strain in a 5L fermentation tank reaches 35.59 + / -2.18 g / L, the conversion rate is 0.282 g / g, the productivity is 0.404 g / L / h, the rhamnolipid yield, the conversion rate and the productivity are obviously superior to those in the prior art, and a key technical support is provided for industrial production of rhamnolipid.

Compositions having at least one biosurfactant and at least one persicomycin. The at least one biosurfactant is selected from the group consisting of rhamnolipids, glucolipids and sophorolipids. The compositions optionally have at least one enzyme, at least one non-biosurfactant and / or at least one selected from the group consisting of an anti-redeposition polymer and a soil release polymer. The compositions clean surfaces of an article in a process for cleaning said article.

The invention belongs to the field of additives, and provides a polycarboxylate superplasticizer as well as a preparation method and application thereof. The preparation method of the polycarboxylic acid water reducer comprises the following steps: in the presence of water, an initiator and a chain transfer agent, comonomers including a polyether macromonomer, unsaturated carboxylic acid, unsaturated amide and a functional monomer are subjected to a polymerization reaction to form polycarboxylic acid, and the functional monomer is an esterification product of rhamnolipid and unsaturated alcohol. The polycarboxylate superplasticizer provided by the invention has improved workability while maintaining a relatively high water-reducing rate.

The present invention discloses a biochar-supported rhamnolipid-coated nano-zero valent iron modified material, its preparation method and application. The modified nano-zero valent iron material includes biomass carbon, rhamnolipid and nano-zero valent iron. The rhamnolipid is modified on the surface of the nano-zero valent iron and loaded on the biomass carbon. The mass ratio of nano-zero valent iron, rhamnolipid and biochar is 1:0.05-0.2:0.5-2. The preparation method is to mix the rhamnolipid solution with the ferrous sulfate solution, then mix with the biomass carbon, and dropwise add the NaHB4 solution for reaction to obtain the modified nano-zero valent iron material. The biochar-supported rhamnolipid-coated nano-zero valent iron material of the present invention has the advantages of good stability, high reaction activity, strong dispersion performance, etc. It has good removal efficiency for the chlorinated flame retardant dechlorane in the environment and will not cause secondary pollution, and has potential good application value and broad application prospects in the field of organic polluted soil and water treatment.

The invention relates to the technical field of cleaning agents, and particularly discloses a composite cleaning agent as well as a preparation method and application thereof. The composite cleaning agent comprises the following raw material components in percentage by mass: 5%-10% of inorganic particles, 5%-15% of a surfactant, 15%-30% of a cleaning aid and the balance of water, wherein the surface active agent is prepared from rhamnolipid, fatty acid methyl ester ethoxylate, cocamidopropyl betaine and sophorolipid; the inorganic particles comprise soluble sodium salt and nano silicon dioxide; the cleaning auxiliary agent comprises a geranium extracting solution, a herba portulacae extracting solution, lauric acid and glycerol. The composite cleaning agent is simple in raw material components, simple and convenient in preparation method, low in cost and free of secondary pollution to the environment. The composite cleaning agent effectively solves the problems that an existing train cleaning agent is poor in cleaning effect, complex in manufacturing process and unfriendly to the environment.

The invention relates to pseudomonas putida engineering bacteria for producing rhamnolipid as well as a construction method and application of the pseudomonas putida engineering bacteria, the engineering bacteria take pseudomonas putida KT2440 with phaC1, phaC2, algD and fliC gene deletion as a chassis cell, and rhlAB, rmlACBD, algC and FabY genes are over-expressed in the chassis cell. Pseudomonas putida KT2440 with biological safety is used as a chassis cell for gene modification, the constructed engineering bacteria are used for fermentation production of rhamnolipid, on the basis of rhamnolipid yield increase, good physiological adaptability and fermentation stability are shown, and the rhamnolipid yield is increased. And the modified engineering strain can stably and efficiently produce rhamnolipid with a specific structure.

The invention belongs to the field of bioengineering, and particularly relates to a flexible mycelium composite material as well as a preparation process and application thereof. The flexible mycelium composite material disclosed by the invention is prepared by inoculating an edible fungus seed solution into a lignocellulose matrix, mixing, filling a mold and integrally fermenting, and the preparation process is simple. According to the method, rhamnolipid is added into an edible fungus seed solution culture medium, so that the enzyme activity of cellulase in the seed solution is effectively improved, the degradation and utilization of cellulose and hemicellulose in a lignocellulose matrix are further improved, the planting capacity of mycelia on the surface of lignocellulose is improved, the biomass of the mycelia is improved, and the yield of the mycelia is increased. Finally, the toughness of the flexible mycelium composite material is improved, so that the bending property of the flexible mycelium composite material is improved. Meanwhile, the flexible mycelium composite material prepared by the preparation method disclosed by the invention is biologically converted by utilizing agricultural and forestry wastes, the material utilization rate can reach 100%, and the flexible mycelium composite material is free from environmental pollution and has a wide industrial application prospect.

The invention provides bacillus as well as a screening method and application thereof, and belongs to the technical field of microbial strain fermentation. The bacillus is preserved in the China General Microbiological Culture Collection Center (CGMCC), the preservation number is CGMCC No.33396, the preservation date is January 13, 2025, the preservation address is Institute of Microbiology, Chinese Academy of Sciences, Beijing, China, and the postcode is 100101; the strain is classified and named as bacillus sp., and the strain number is DQ-4. The bacillus DQ-4 provided by the invention can be used for synthesizing rhamnolipid through fermentation, and the rhamnolipid can be used as an oil displacement biosurfactant, so that the rhamnolipid can be used for oil displacement of offshore oilfields. The bacillus DQ-4 disclosed by the invention overcomes the defects of bacillus aeruginosa, improves the oil extraction rate of an offshore oil field, and can reduce the offshore oil displacement cost.

The invention belongs to the field of fertilizers, and particularly relates to a soil conditioner and application thereof. The soil conditioner is prepared from the following components in parts by weight: 20 to 60 parts of biochar, 10 to 50 parts of silicon-calcium-potassium-magnesium, 10 to 30 parts of bentonite, 15 to 35 parts of surfactant and 3 to 15 parts of biostimulant, the surfactant comprises one or more of sodium lignin sulfonate, sodium taurine laurate or rhamnolipid, and the biostimulant comprises one or more of humic acid, chitosan, trehalose or polyglutamic acid. The conditioner is prepared by compounding a plurality of surfactants and biostimulant, and has three significant soil conditioning properties of ventilation, fertility increase and water retention. The soil conditioner can break soil hardening, loosen soil, improve soil permeability, reduce soil bulk density, promote soil microbial activity, enhance soil fertilizer and water permeability and improve crop yield.

The invention relates to the technical field of crop cultivation. In particular to a rice leaf fertilizer and a fertilizing method and application thereof. The rice leaf fertilizer is prepared from the following components in percentage by weight: 10 to 20 percent of chitin derivative, 5 to 15 percent of compound amino acid, 5 to 10 percent of composted livestock and poultry manure, 5 to 15 percent of fulvic acid, 1 to 3 percent of zinc sulfate, 0.5 to 2 percent of borax, 0.2 to 0.5 percent of potassium silicate, 0.1 to 0.5 percent of polyether modified siloxane, 0.05 to 0.1 percent of rhamnolipid, 0.1 to 0.15 percent of betaine, 1 to 2 percent of sodium alginate and the balance of water. By applying the foliar fertilizer in drought and salt stress environments, the content of beta-glucan in rice is increased, the rice foliar fertilizer disclosed by the invention not only can be popularized for planting rice in northern drought regions in China, but also the planted rice has higher beta-glucan content, and has a health assisting effect on diabetics with limited starch consumption.

The invention relates to the technical field of daily chemicals, and provides a rhamnolipid composition, a daily chemical and application. The rhamnolipid composition comprises rhamnolipid and 3-hydroxydecanoic acid, and the mass ratio of the 3-hydroxydecanoic acid to the rhamnolipid is (1: 999999) to (1: 8). Compared with a rhamnolipid composition in which the mass ratio of 3-hydroxydecanoic acid to rhamnolipid is higher, the rhamnolipid composition in which the mass ratio of 3-hydroxydecanoic acid to rhamnolipid meets the requirement disclosed by the invention is added into the daily chemicals, so that the irritation can be reduced, and the thickening difficulty of the daily chemicals needing to be thickened can be reduced.

The invention provides a method for promoting co-fermentation of seaweed sludge to produce a carbon source by utilizing microbial pretreatment. The method comprises the following steps: adding a microbial agent with protein degradation capability into the sludge; adding free nitrous acid and rhamnolipid into the sludge obtained in the step 1, and performing pretreatment in an anaerobic environment; mixing the pretreated sludge with seaweed, and carrying out seaweed and sludge co-fermentation to obtain supernate of a fermentation mixture; the method for promoting co-fermentation of the seaweed sludge by utilizing microbial pretreatment can be widely applied to treatment and recycling of the sludge, the treatment efficiency of the sludge can be improved, and the treatment cost of the sludge can be reduced. The prepared seaweed sludge fermentation liquor can be used as an external carbon source for sewage treatment, can provide sufficient nutrient substances for microorganisms, and effectively promotes denitrification and phosphorus-accumulating bacteria metabolism in the sewage treatment process, so that the sewage nitrogen and phosphorus removal effect is improved.

The invention relates to the technical field of fiber acid dyeing, and particularly discloses a sheep villus fiber acid dyeing fixation method which comprises the following steps: mixing acetic acid, triethanolamine and cardanol polyoxyethylene (n) ether sulfate to obtain a prefabricated material a; caprolactam is mixed with rhamnolipid, polyvinylpyrrolidone and acylation modified chitosan, and a prefabricated material b is obtained; mesoporous silica, saturated ammonia water, tetraethoxysilane, potassium methoxide, dioxane and succinic anhydride are adopted to prepare a prefabricated material c; adding the prefabricated material a into the prefabricated material b, stirring, then adding the prefabricated material c, uniformly mixing, adjusting the pH value of the system to 5-6, adding cashmere fibers, keeping the temperature at 5-10 DEG C for 10-20 minutes, heating to 40-50 DEG C, keeping the temperature for 10-20 minutes, adding an acid dye and anhydrous sodium sulfate, uniformly stirring, keeping the temperature for 1-2 hours, heating to 80-90 DEG C, keeping the temperature for 30-50 minutes, taking out, washing, and airing at room temperature.

The invention discloses an environment-friendly silk soaking agent and a preparation method thereof, and belongs to the technical field of textile auxiliaries. The technical key points of the invention are as follows: vegetable fat and epoxy-terminated block polyether silicone oil are taken as main raw materials to prepare the bio-based softening agent, and a hydrophilic block polyether chain segment with large molecular weight is introduced into the structure, so that the directional adsorption, permeation and wetting capabilities of the bio-based softening agent on various fibers are improved, and the hand feeling is more natural and fine; then vegetable oil is used for replacing a petroleum-based smoothing agent, rhamnolipid and alkyl glycoside are used for replacing a traditional fatty alcohol ether surfactant as an emulsifier, bio-based surfactants castor oil polyoxyethylene ether and cardanol polyoxyethylene ether are used as a bundling agent, and the environment-friendly silk soaking agent is prepared through compounding. The environmental protection property, the stability, the lubricity and the cohesive property of the silk are improved; the bio-based silk soaking agent is good in product effect, easy to clean and obvious in energy-saving and environment-friendly effect, and cannot generate wax on silk to affect the quality of a finished product.

The present invention relates to a dishwash composition that is used to reduce malodour on surfaces in the kitchen. Particularly, the present invention relates to a cleaning composition for hard surfaces in the kitchen like utensils, table tops, stoves and soft surfaces like sponges, cleaning cloth and scrubs that are implements used to clean surfaces in the kitchen. The invention ensures that such surfaces remain fresh and free of malodour for long time after the surface is cleaned with the composition. This is achieved through a combination of a rhamnolipid with a Bacillus bacterial spore in a surfactant containing dishwash composition.

The invention discloses an alpha-L-rhamnosidase gene and an application of the alpha-L-rhamnosidase gene in production of L-rhamnose. The alpha-L-rhamnosidase can completely hydrolyze single rhamnolipid and partially hydrolyze double rhamnolipid to produce L-rhamnose, and the amino acid sequence of the alpha-L-rhamnosidase is as shown in SEQ ID NO. 1. 1, and a nucleotide sequence for coding the alpha-L-rhamnosidase is as shown in SEQ ID NO. 2. According to the recombinant bacteria containing the alpha-L-rhamnosidase gene, a recombinant pichia pastoris engineering strain constructed by using the gene can efficiently express the alpha-L-rhamnosidase, and the specific activity of the alpha-L-rhamnosidase is as high as 589.264 U / mg when rhamnolipid is used as a substrate. Rhamnolipid fermented by microorganisms is used as a raw material, and an alpha-L-rhamnosidase enzyme preparation produced by the gene is used for enzymolysis treatment, so that high-concentration L-rhamnose can be effectively produced, and an important enzyme resource and a synthesis method are provided for green production of rhamnose.

The invention provides a medium-low permeability oil reservoir rhamnolipid foam oil displacement system and a screening method and application, and relates to the technical field of microbial oil recovery, the medium-low permeability oil reservoir rhamnolipid foam oil displacement system comprises the following steps: S1, screening an applied oil reservoir; s2, determining a rhamnolipid foam flooding system based on the oil reservoir mineralization degree; s3, based on the porosity of the oil reservoir, the injection mode of a rhamnolipid foam oil displacement system is determined, the rhamnolipid foam oil displacement system comprises a foaming agent, a foam stabilizer, nitrogen and water, the foaming agent comprises one or more of dirhamnose difat, dirhamnose monofat, single rhamnose monofat and single rhamnose difat fermentation liquor, and the foam stabilizer comprises one or more of dirhamnose difat, dirhamnose monofat, single rhamnose monofat and single rhamnose difat fermentation liquor. The foam stabilizer is prepared from one or more of xanthan gum, welan gum, Wollan gum, Dide gum, gellan gum, rhamnose gum, diidine gum, plant cellulose and bacterial cellulose. The method has the beneficial effects that the oil reservoir application range is wide, the pertinence is high, the field test effect is good, efficient generation and long-acting migration of foam in the oil reservoir are guaranteed, green and high-quality development of old oil fields is promoted, and achievement of the national dual-carbon strategy is assisted.

The invention discloses a rhamnose continuous production system and a rhamnose continuous production method. A rhamnolipid continuous fermentation system and a rhamnolipid continuous hydrolysis system are coupled. The system comprises a fermentation tank, an overflow tank, a ceramic membrane, a rhamnolipid continuous hydrolysis reactor and the like. By adopting the method to produce rhamnose, the problem that the fermentation temperature of rhamnolipid is inconsistent with the hydrolysis temperature of rhamnolipid is solved, the hydrolysis reaction efficiency of rhamnolipid is improved, meanwhile, the influence of rhamnolipid bubbles on a fermentation system is also solved, the production efficiency of rhamnose is improved, the production cost of rhamnose is reduced, and good economic benefits are achieved.

The invention discloses an environment-friendly aluminum dust suppressant and a preparation method thereof. The dust suppressant is prepared from the following raw materials in percentage by mass: 0.1%-0.3% of L-malic acid, 0.4%-0.6% of sodium polyacrylate, 0.7%-0.9% of chitosan, 1%-3% of rhamnolipid, 0.5%-0.7% of glycerol, 0.4%-0.6% of ethylene glycol and the balance of deionized water. The preparation method comprises the following steps: adding the L-malic acid into the deionized water according to the formula ratio to obtain an L-malic acid aqueous solution, then sequentially adding the sodium polyacrylate, the chitosan, the rhamnolipid, the glycerol and the ethylene glycol, and stirring until the raw materials are completely dissolved when one new raw material is added every time, so as to finally prepare the environment-friendly aluminum dust suppressant. The preparation method is simple, and the prepared dust suppressant can effectively inhibit flying of aluminum dust, reduce harm of the aluminum dust to the environment and the human body, inhibit the aluminum dust from reacting with water to generate hydrogen, and improve the safety of industrial production.