324results about How to "Suitable for large-scale industrial application" patented technology

The invention discloses compound bactericide for treating sewage and a sewage treatment method thereof, and belongs to the technical field of sewage treatment. The compound bactericide comprises the following active ingredients from following strains: rhodopseudomonas, anaerobic ammonium oxidation bacteria, candida utilis, thiobacillus denitrificans, white-rot fungi, lactobacillus plantarum, bifidobacterium, lactobacillus acidophilus, green nonsulfur bacteria, phosphorus-accumulating bacteria, aspergillus oryzae, nitrosomas, streptomyces, bacillus subtilis and propionibacterium acidipropionici. The invention also provides the method using the compound bactericide to treat the sewage. The compound bactericide and the sewage treatment method have the advantages that the effect of treating sewage is better, the technology is simple, the implementing is easy, the operability is strong, the pollution to environment is avoided, the industrial requirements are met, and the application prospect is better.

The invention belongs to the technical field of indium recovering and particularly relates to a method for recovering indium from a waste liquid crystal display screen panel. The method aims at solving the technical problems that an existing recovering method is low in recovering rate and high in production cost. According to the scheme, the method for recovering the indium from the waste liquid crystal display screen panel is provided for solving the technical problems mentioned above and includes the following steps that firstly, the waste liquid crystal display screen panel is torn up into fragments, wherein the maximum distance between any two points of each fragment ranges from 4 centimeters to 30 centimeters; secondly, the fragments are soaked in a sulfuric acid solution and filtered, and a leaching agent is obtained; thirdly, the leaching agent is treated through an extraction process and a back extraction process, and a solution containing the indium is obtained; and fourthly, alkaline liquor is added to the solution containing the indium, the pH of the solution is adjusted to be 3 to 6, a solid is filtered out, and after the solid is washed and dried, indium hydroxide is obtained. The method is high in operability, low in operation cost and suitable for large-scale industrial application for enterprises.

The invention discloses a textile auxiliary containing antibiotic constituents. The textile auxiliary comprises, by weight parts, 50-60 parts of sodium diethylhexyl sulfosuccinate, 45-55 parts of polyvinyl pyrrolidone, 40-50 parts of sodium dodecyl sulfonate, 30-40 parts of hydroxyethyl sulfonate, 30-40 parts of 2-hydroxyethyl salicylate, 25-35 parts of lupenyl palmitate, 25-35 parts of styrene maleic anhydride resin, 15-25 parts of trichloro-sym-diphenylurea, 15-25 parts of ethyl vanillin, 5-10 parts of zinc oxide, 5-10 parts of cross-linking agent and 5-10 parts of softening agent. The textile auxiliary containing the antibiotic constituents improves antibiotic effects of textile, and further has antifouling function. A corresponding preparation method is further disclosed.

The invention discloses dirt-proof and antibacterial textile fabric and a preparation method thereof. The textile fabric is prepared from raw materials in parts by weight as follows: 5-10 parts of polyester yarn and 10-20 parts of folium artemisiae argyi fiber, 10-18 parts of soybean fiber, 5-15 parts of polylactic acid fiber, 15-20 parts of water-absorptive fiber, 8-15 parts of polyacrylonitrile fiber, 10-15 parts of polyethylene terephthalate, 1-4 parts of hexamethyl cyclotrisiloxane, 2-5 parts of polyvinylpyrrolidone, 1-2 parts of alkaline pectinase, 2-5 parts of tung oil anhydride, 1-3 parts of tea saponin, 2-3 parts of benzoyl peroxide butyl acetate, 1-2 parts of acetyl tri-n-hexyl citrate, 3-6 parts of potassium chloride, 1-4 parts of a coupling agent, 2-5 parts of a dispersant and 2-3 parts of a heat stabilizer. The prepared dirt-proof and antibacterial spinning fabric has an oil rub resistance characteristic and is high in strength, durable and broad in application range; besides, the invention further discloses a corresponding preparation method.

The invention discloses a method for optimizing zinc-hydrometallurgy hot acid leaching process by pressure leaching. A new technique is easily engaged with an existing process, and a pressure leaching process is introduced in an existing hot acid leaching process. The method is characterized in that in the process of optimizing, zinc concentrates are leached by using a section of hot acid leaching liquor in a hot acid leaching process, and in the process of pressure leaching, the oxidation and precipitation of iron materials are realized; pressure leaching ore pulp is subjected to solid-liquid separation, liquid supernatant is fed back for neutral leaching, and filter residues are conveyed for flotation so as to enrich sulfur concentrates and iron slag. An associated process provided by the invention is short in process; zinc immersion and iron removal are realized in a reaction container, so that the leaching efficiency is high, thereby realizing the clean production of the zinc smelting industry.

The invention discloses a method for treating urban sewage, which comprises corn starch-acrylamide graft copolymer, carboxymethyl chitosan, soybean protein extract, ferric chloride, ethoxyquinoline, and benzyl peroxide Acyl, sodium cyclamate, polylactic acid, butyl p-hydroxybenzoate, hydroxyethylidene diphosphonic acid, licorice extract, allantoin as the compound sewage treatment agent and sewage stirring reaction, after ultrasonic treatment, The ion exchange column is eluted through the column, the flocculant is stirred and flocculated and precipitated, the flocculation supernatant is passed through the column adsorption resin, membrane filter is filtered, sterilized, and the treated water of the discharge standard is obtained. The method has high sewage treatment efficiency, and the discharged treated water can reach the national standard. At the same time, the process is simple and easy, the operability is strong, and it has no pollution to the environment, which can meet the requirements of the industry and has a good application prospect.

The invention discloses an environment-friendly anti-bacteria mold-proof composite fiber board and a preparation method thereof. The environment-friendly anti-bacteria mold-proof composite fiber board is prepared from, by weight, 5-8 parts of poplar leaves, 5-10 parts of wood flour, 5-9 parts of crop stalk, 3-6 parts of kieselguhr, 7-15 parts of polyurethane, 5-10 parts of polyether, 5-8 parts of acetate fiber, 2-4 parts of DL-benzylsuccinic acid, 3-5 parts of ethylene glycol monostearate, 1-3 parts of melamine phosphate, 2-6 parts of styrene-acrylic emulsion, 1-4 parts of a silane coupling agent, 2-3 parts of an antioxidant and 2-5 parts of an adhesive. The prepared environment-friendly anti-bacteria mold-proof composite fiber board is stable in character, resistant to mold and environmentally friendly, and causes no pollution to environment.

The invention discloses an efficient heavy metal wastewater flocculating agent based on plant extracts and a preparation method thereof. The efficient heavy metal wastewater flocculating agent is prepared from the following raw materials in parts by weight: 2 to 5 parts of purslane extract, 1 to 4 parts of dandelion extract, 2 to 8 parts of dry lotus leaves, 5 to 10 parts of wheat straw, 10 to 15 parts of Selaginella tamariscina leaves, 1 to 4 parts of reed straw, 3 to 9 parts of hydroxyapatite, 2 to 6 parts of phosphate ore, 5 to 8 parts of oyster shell powder, 2 to 9 parts of trass volcanic ash, 7 to 10 parts of polylactic acid fiber, 5 to 12 parts of hydroxy acrylic resin, 5 to 9 parts of fatty alcohol-polyoxyethylene ether, 6 to 9 parts of Arabic gum, 3 to 9 parts of nano calcium sulfate, 5 to 10 parts of sodium diethylhexyl sulfosuccinate, 1 to 2 parts of sulfur, 1 to 4 parts of acraldehyde, 2 to 7 parts of magnesium silicate, 3 to 6 parts of gallotannic acid, 4 to 8 parts of a heat stabilizer, 2 to 5 parts of a coupling agent and 1 to 3 parts of a coagulant aid. The prepared wastewater flocculating agent is safe, stable and high in flocculation ability, metal ions can be effectively chelated, and the effect of wastewater treatment is reached. Simultaneously, the invention also discloses a corresponding preparation method.

The invention discloses chitosan added textile dye and a preparation method thereof. The textile dye is prepared from the following raw materials in parts by weight: 30-50 parts of a natural dye raw material, 1-3 parts of an organic dying raw material, 10-15 parts of chitosan, 1-5 parts of ethylcellulose, 2-4 parts of sodium dodecyl sulfate, 4-8 parts of diethanolamine, 1-4 parts of malic acid, 4-7 parts of aluminum potassium sulfate dodecahydrate, 1-3 parts of polyvinylpyrrolidone, 4-8 parts of polyoxyethylene octylphenol ether, 1-2 parts of amylopectin, 1-3 parts of dibutyltin dilaurate, 3-6 parts of iron oxide red, 1-3 parts of sulfonated oil, 1-4 parts of soap powder, 2-5 parts of oxalic acid, 2-5 parts of a coupling agent and 1-4 parts of an aid. The prepared chitosan added textile dye is good in printing and dyeing effect and is friendly and damage-free to fabric. The invention further discloses the preparation method of the chitosan added textile dye.

The invention discloses an organic polymer-based composite graphene electrode material. The organic polymer-based composite graphene electrode material is prepared by the steps of taking graphene, rare earth, polyacrylamide, polypyrrole, polystyrene, a polylactic acid-hydroxyacetic acid copolymer, polytetramethylene glycol succinate, manganese trifluoride, dimethylacetamide, and magnesium hydrate as main components, adding N-methylbutyl piperdine bis(trifluoromethyl sulfonyl)imide), pentaethylene glycol, dimethyl carbonate, N, N-dimethyl formamide, silicon dioxide, cyclohexanone, starch aluminium octenylsuccinate, a dispersing agent, a silane coupling agent and an adhesive, and performing processes of ultrasonic dispersion, stirring and banburying, mixing in an inert gas environment, spraying and drying, electrode coating with a material, and the like in auxiliary manner. The prepared organic polymer-based composite graphene electrode material is excellent in electrical conductivity, high in dielectric constant, good in charge-discharge performance, capable of satisfying industrial requirements, and relatively high in application prospect.

The invention discloses a high-affinity medical antibacterial glycolide material. The material is prepared from, by weight, 45-55 parts of polyglycollide, 40-50 parts of N,N'-ethylene hisstearamide, 40-50 parts of collagen, 35-45 parts of 1,6-ethylene glycol dimethacrylate, 25-35 parts of N,N'-ethylene hisstearamide, 20-26 parts of bi-maleamidic acid, 18-22 parts of polyvinyl alcohol condensed glyoxal, 10-12 parts of glass fiber, 10-12 parts of fimbrin, 5-8 parts of wollastonite powder, 4-6 parts of nano titanium dioxide, 4-6 parts of aluminum silicate ceramic fiber, 3-5 parts of acetyl triethyl citrate, 2-4 parts of stabilizer and 2-4 parts of coupling agent. The prepared high-affinity medical antibacterial glycolide material is good in biocompatibility and antibacterial performance, has certain flexibility and mechanical strength and can meet industrial requirements. Meanwhile, the invention further discloses a corresponding preparation method.

The invention discloses an anti-bacterial and acid-alkali-resistant medical material and a preparation method thereof. The medical material is prepared from main ingredients including pharmaceutical grade polyvinyl alcohol, polypropylene resin, poly-3-hydroxybutyrate and polyethylene glycol fatty acid ester mixed with pentaerythritol oleate, octenyl succinic acid modified starch, citrate, N-butylcyanoacrylate, sulfanilamide, sodium citrate, polyactic acid fibers, aluminium silicate ceramic fibers, magnesium carbonate, gaseous-phase white carbon black, malic acid, a dispersing agent and a stabilizer by mixing, stirring, high-temperature sintering, grinding, high-pressure calcination, acid leaching, ultrasonic dispersion, screw extrusion, injection molding treatment and the like. The anti-bacterial and acid-alkali-resistant medical material has an excellent anti-bacterial property and acid and alkali resistance, can meet requirements of the industry and has better application prospect.

The invention discloses a magnesium borate crystal whisker super induced biomaterial and preparation method thereof, the biomaterial uses polypropylene, poly glycolic acid, and methyl benzoate as the main component, through adding poly-3-hydroxybutyric acid, trihydroxymethyl aminomethane, 2-thiol benzimidazole, di-amino-maleic acid, elhylene diamine tetraacetic acid, dodecyl trimethyl ammonium iodide, epoxidized soybean oil, naphthylacetic acid sodium, magnesium borate whisker, montmorillonite powder, light mass calcium carbonate, dispersant, and stabilizer, supplemented with mixing and stirring, high temperature sintering, crushing, high pressure calcinations, acid soaking, ultrasound dispersing, screw rod extruding, injection treatment and other processes, is prepared fully. The biomaterial super induced with magnesium borate crystal whisker has high low temperature shock resistance ability and high anti-aging property, can satisfy the requirements of each branch, and has relatively good application prospect.

The invention discloses a preparation method of an expansible thermoplastic graphene porous carbon material. The process comprises the following steps: performing vacuum pressurizing and refining an elastomer by an elastic polymer material, spray-coating a graphene and metal powder mixture on the surface layer of the elastomer in a high-pressure form, and performing solidification to obtain the expansible thermoplastic graphene porous carbon material. The expansible thermoplastic graphene porous carbon material prepared by the method has high elasticity, high toughness, excellent mechanical property and good application prospect.

The invention relates to a microbial agent. The agent contains trichoderma asperellum WL, bacillus stearothermophilus viable spores and scopulariopsis acremonium. Organic wastes are composted by usingthe composite microbial agent, so that the material decomposition degree is improved, and the agent has the complexing action on heavy metal ions for changing the states of the heavy metal ions and also has excellent tolerance. The invention further relates to an organic waste desertified soilremediation agent. The organic waste desertified soil remediation agent is prepared by mixing a fermentation product and an organic waste preparation, wherein the fermentation product is prepared by fermenting the microbial agent and the organic wastes and auxiliary materials; and the preparation methodof the organic waste preparation comprises the following steps: removing impurities, crushing, soaking with water for 10-14 hours, stirring into paste in an environment with the pH value of 9-10, andadding a vinyl monomer to carry out a graft copolymerization reaction. The soil remediation agent solves the desertification problem, and is capable of remediating heavy metal contaminated soil.