119results about How to "Suitable for large-scale production applications" patented technology

The invention discloses a method for extracting cyanidin from banana peel. A ultrasonic-assisted microbial fermentation method is utilized to extract cyanidin from green banana peel: a microbial fermentation method is utilized to destroy banana peel cell walls by using Aspergillus niger metabolite, and cavitation generated by ultrasonic is utilized to sufficiently release the cyanidin. Centrifugal slag-liquid separation, membrane filtration separation, chromatography purification, ultrarapid freezing, vacuum drying and the like are carried out to obtain the cyanidin of which the purity exceeds 94%. The ultrarapid freezing has the characteristics of good quality, small ice crystal, high drying rate and the like, and is widely used in food processing. The combination of the ultrarapid freezing and vacuum drying has the advantages of thorough dehydration in freezing state, low component loss, excellent quality and long storage time. The invention is simple to operate, has the advantages of high yield, high efficiency, clean and harmless generation process, small energy consumption, high benefit, high cyanidin yield and high purity, is suitable for large-scale production, and has wide market prospects.

The invention discloses a dye-sensitized nanocrystalline thin film solar cell with a light trapping structure. The dye-sensitized nanocrystalline thin film solar cell with the light trapping structure comprises a photo-anode, electrolyte and a counter electrode, wherein the photo-anode mainly comprises a conductive substrate and a nanocrystalline film; the nanocrystalline film consists of at least one layer of unit thin film; each layer of unit thin film is formed by laminating more than three layers of nanocrystalline thin films with different refractive indexes; and the light refractive indexes of the nanocrystalline thin films of the outmost layers on the two sides of the unit thin film are lower than the light refractive index of each nanocrystalline thin film of the inner layer of the unit thin film, and the light refractive indexes of each nanocrystalline thin film of the inner layer are gradually increased or gradually increased and then gradually decreased along a light projection direction. The cell provided by the invention fulfills the aim of trapping light by the scattering and complete reflection of light, is prepared from a wide range of materials by a simple preparation method, has a wide application range and can greatly enhance the light absorption and utilization of the thin films, thereby greatly optimizing the photoelectric conversion efficiency of the cell.

The invention discloses a method for recovering rhenium from molybdenum smelting waste acid and belongs to the technical field of metal rhenium recovery and recycle. The method comprises 1, filtering molybdenum smelting waste acid, and treating the filtrate by a composite aminoethylene weak basic anion exchange resin column for adsorption until adsorption is saturated, and 2, carrying out desorption on the saturated anion exchange resin column, collecting the desorption liquid and carrying out evaporation crystallization to obtain ammonium perrhenate. The composite aminoethylene weak basic anion exchange resin has large saturation adsorption quantity. The desorption liquid has rhenium content 100 times or more that of waste acid. Compared with the existing extraction method and ion exchange method, the method provided by the invention has a high rhenium recovery rate of 98% or more. Through use of solubility difference of ammonium perrhenate, ammonium molybdate and ammonium sulfate, ammonium perrhenate is purified by evaporation crystallization and ammonium perrhenate purity is 99.9% or more. The method has a simple rhenium recovery process, is environmentally friendly, is convenient for operation and is suitable for large scale production.

The invention relates to a Chinese patent drug for treatment of gouty arthritis. The Chinese patent drug is prepared by semen coicis, rhizoma atractylodis, dioscorea and the like according to parts by weight, and has the beneficial effects that aiming at the three key factors causing gouty arthritis such as phlegm-damp, blood stasis and heat toxin, the Chinese patent drug adopts Chinese herbal medicine compound preparation having action of excreting dampness and reducing phlegm, promoting blood circulation to remove blood stasis, clearing and activating the channels and collaterals, diminishing inflammation and relieving pain, clearing away heat and toxic materials and removing uric acid, has reliable curative effects, can thoroughly cure the gouty arthritis, and has no toxic or side effect, and the gouty arthritis does not relapse for a long time; and if western medicine is adopted for treating gouty arthritis, the side effect is obvious, the gouty arthritis is easy to relapse, and the western medicine cannot be used for long time cure, while the Chinese patent drug has remarkable curative effect and is applicable to mass production, and a patient taking the drug has no discomfort.

The invention discloses a degradation bacterium for oil-base drilling cuttings, and a preparation method and an application method thereof, and belongs to the technical field of microbiological processing of oil-containing solid wastes. The degradation bacterium for oil-base drilling cuttings is composed of multiple microorganisms, and is prepared by performing fermentation culturing on three degradation single bacteria which are obtained by performing enriching, separation, purification and screening on bacteria in petroleum polluted soil. The degradation bacterium for oil-base drilling cuttings comprises pPseudomonas aeruginosa, kocuria kristinae and acinetobacter calcoaceticus, is used for degradation of petroleum composition in oil-base drilling cuttings, and has the substantial advantages of high oil removal efficiency and short processing period. When oil-base drilling cutting with the initial oil content less than 5% is processed by using the degradation bacterium for 5-30 d, the oil content can be reduced to 1% or less, and the oil removal rate can reach 80% or more. The degradation bacterium also has good application prospect when being applied to biological restoration of oil-containing soil and oil-containing sludge.

The invention discloses a high-dielectric-coefficient polyimide thin film and a preparation method thereof. Polyimide obtained through polycondensation of dicarboxylic anhydride monomers and diamine monomers serves as a base body and is doped with, by weight, 1-3% of fullerene, 0-3% of lasurite powder and 0-3% of nanometer montmorillonite. The polyimide thin film has a high dielectric constant of 12 to 18 and is an excellent material for manufacturing a capacitor, the mechanical strength and all physical indexes of the polyimide thin film are the same as those of an ordinary polyimide thin film, high temperature resistance, high strength and high stability are kept, and the advantage of excellent flexibility is achieved; the polyimide thin film is durable in use, keeps the high dielectric constant for a long time, and is simple in preparation method and suitable for large-scale production and application.

The invention discloses a carbon-modified TiO2/WO3 composite nanofiber photocatalyst, a preparation method and application and belongs to the technical field of nano photocatalytic materials. The preparation method includes following steps: 1), adding polyvinyl pyrrolidone, ammonium tungstate and tetrabutyl titanate into mixed liquid of alcohol and acetic acid, and mixing well before electrostatic spinning to obtain nanofiber felt; 2), calcining the nanofiber felt to obtain TiO2/WO3 nanofiber; 3), adding the TiO/WO3 nanofiber, glucose and water into a reaction kettle, allowing hydrothermal reaction, filtering, cleaning, and drying to obtain the photocatalyst. The TiO2/WO3 composite nanofiber is modified through carbon, a carbon layer on the surface of TiO2 is used as an electron collector, and WO3 is used as an electron hole collector, so that photo-generated carriers can be separated effectively and photocatalytic performance of the photocatalyst can be improved. In addition, WO3 can promote ordering and graphitizing of the carbon layer, so that photocatalytic performance of the photocatalyst can be further improved.

The invention discloses a method for preparing negative pole slurry for lithium ion batteries, which comprises the following steps of: 1, stirring a conductive agent, a dispersing agent and a solvent at a constant speed, so that a mixture is formed after the conductive agent, the dispersing agent and the solvent are completely dissolved; 2, adding a binder solution into the mixture, and then stirring the obtained object; 3, continuing to add a negative active material into the mixture, and then stirring the obtained object; 4, continuing to add a solvent into the mixture, and then uniformly stirring the obtained object; and 5, placing the mixture in a vacuum environment so as to finally obtain uniform negative pole slurry. According to the method for preparing negative pole slurry for lithium ion batteries, disclosed by the invention, the working efficiency of preparing the negative pole slurry for lithium ion batteries can be obviously improved, and the uniformity and stability of the negative pole slurry can be guaranteed; and meanwhile, the reduction of the production cost is facilitated, and the performance of lithium ion batteries is improved finally, therefore, the method is suitable for large-scale production applications and facilitates the improvement of the market application prospects of products of battery manufacturers.

The invention discloses a mineral fiber softening agent. The mineral fiber softening agent is prepared from the following raw materials in part by weight: 40-55 parts of vinyl acetate-ethylene copolymer emulsion, 15-25 parts of vital gluten, 5-15 parts of inorganic adhesives, 3-5 parts of chlorinated polyethylene emulsion, 0.5-2 parts of organic adhesives and 0.2-0.5 part of silane unsaturated monomer. The vital gluten, the inorganic adhesives and the organic adhesives are subjected to compound modification in an acylation manner, by a strong polarity polar group of the chlorinated polyethylene emulsion, the obtained softening agent has high-permeation adhesion on mineral fibers, permeates in the fibers and firmly wraps surfaces of the mineral fibers, and owing to viscoelasticity of the vital gluten, the mineral fibers have good flexibility. Because the softening agent contains the water-soluble inorganic adhesives, metal cation electrolytes are formed on surfaces of the mineral fibers when the mineral fibers are softened by the softening agent, potential difference is generated between the surfaces of the mineral fibers and surrounding liquid, particularly, a binding force of the mineral fibers and plant fibers is increased, when the plant fibers are replaced, the mineral fibers can be connected with the plant fibers, ionic bonds are formed by combination of ions, and bonding strength of the fibers is improved.

The invention provides a thermoplastic starch elastomer. An elastic polymer of a starch-polybutadiene-vital gluten interpenetrating polymer network is formed by hydroxyl-terminated polybutadiene and low-molecular-weight straight-chain starch and vital gluten chain expansion, and the polymer is a high-strength thermoplastic starch elastomer with large intensity and excellent heat-resistance performance. The invention further provides a preparation method of the thermoplastic starch elastomer. The branched structure of starch milk is disassembled through a high-pressure homogenizer, a starch chain is fractured and converted into a straight chain structure, the molecular weight of starch is reduced and distributed in a narrow constant range, then chain expansion is performed on starch milk together with hydroxyl-terminated polybutadiene and vital gluten, so that the polymerization is increased, the molecular weight is improved, not only can the intensity be high, but also the processing temperature window is broadened. The preparation method is simplified in production technology, the production environment is clean, the performances of products are improved, and the preparation method is suitable for large-scale production and application.

The invention provides a method for removing endotoxin in protein. The method adopts a sequential combination of chromatography, ultrafiltration and common filtration, and accords with a protein purification process flow. With the method, protein purification is realized while endotoxin is effectively removed, and the properties of protein is not influenced. The method is especially suitable to be used in treating various genetically engineered bacteria expressed intracellular and extracellular proteins. With optimized designs of the conditions of filtering mode, filtering pressure, membrane pore size and the like, operation steps and operation time are simplified, such that production cost is reduced, and processing capacity is improved. With the method provided by the invention, the endotoxin content can be reduced to an animal clinical application standard range, and the properties of the product is not influenced while the endotoxin is removed. The method is suitable for large-scale productions and applications.

The invention discloses a lithium ion battery, which comprises a battery case (2), wherein an insulation coating (1) is coated on the battery case (2). The invention further discloses a preparation method for the insulating coating of a lithium ion battery case. The preparation method for the insulating coating of the lithium ion battery case and the lithium ion battery, disclosed by the invention, can remarkably improve the safety performance of the lithium ion battery and prolong the service life of the lithium ion battery, and the preparation method is suitable for large-scale production and application, and is good for improving the market application prospect of the products of a manufacturer, so that the preparation method has great significance on production and practice.

The invention relates to a depilatory paste and a preparation method thereof. Raw material components of the depilatory paste comprise: 63 to 70 parts by weight of water; 3-5 parts by weight of a humectant; 6-7 parts by weight of an emollient; 0.1 to 0.2 part by weight of a water-soluble thickening agent; 1 to 4 parts of oil-soluble thickener, 2 to 4 parts of emulsion stabilizer, 7 to 9 parts of emulsifier, 2 to 3.5 parts of pH regulator, 0.2 to 1 part of bisabolol, 0.1 to 0.3 part of allantoin, 0.2 to 0.5 part of skin conditioner and 4 to 6 parts of chemical depilatory, wherein the skin conditioner is a mixture of butanediol, water, a centella asiatica extract, a polygonum cuspidatum root extract, a scutellaria baicalensis root extract, a tea leaf extract, a glycyrrhiza glabra root extract, a chamomile extract and a rosemary leaf extract. The depilatory paste provided by the invention has excellent depilatory effect and use comfort, is suitable for a wide range of people, and is suitable for large-scale production and application.

The invention relates to a synthesis method of a nanometer SiO2/CaO adsorbent. Calcium carbonate and nanometer SiO2 are subjected to ball mining, crushing and sieving; the specific surface area of the nanometer SiO2 is greater than 200m<2>/g, and the nanometer SiO2 includes but is not limited to precipitation method nanometer SiO2, vapor phase method nanometer SiO2, ZSM-5 molecular sieves, MCM-41 molecular sieves, MCM-48 molecular sieves, MCM-50 molecular sieves and SBA-15 molecular sieves; the calcium carbonate (through being metered by CaO mass) and the nanometer SiO2 are weighed and are subjected to solid phase mixing according to a mass ratio of (80:20) to (95:5); the mixture is calcined for 2 to 6h at 850 to 950 DEG C in inert gas atmosphere; after cooling, an adsorbent product is obtained; when the adsorbent product is used for a circulating fluidized bed, the fast CO2 gathering and the adsorbent regeneration can be realized. The method has the advantages that a solid phase mixing technology is used; a liquid phase reaction process with high energy consumption and high cost is avoided; the product adsorption speed is high; the adsorption quantity proportion can reach 85 percent or higher at a 20s fast adsorption stage; the high-temperature stability is high; the circulation adsorption capacity is great; the adsorption capacity can still reach 0.30g CO2/g of the adsorbent after 30 circulations; the method is suitable for the realization of mass application in the circulating fluidized bed.

The invention discloses a biotransformation method of rare ginsenoside Rg3, comprising the steps: (1) extracting ginseng to obtain total ginsenoside extract; (2) adding any one or more of Beta-Glucosidase BglPm, a-L-Arabinofuranase Abf22-3, Beta-Glucosidase Bgp1 or a-L-arabinopyranosidase Bgp2 in the total ginsenoside extract for carrying out biotransformation to obtain a transformation product containing rare ginsenoside Rg3. The invention adds any one or more enzymes of Beta-Glucosidase, a-L-Arabinofuranase, Beta-Glucosidase or a-L-arabinopyranosidase in the total ginsenoside extract for biotransformation, and the biotransformation efficiency of the rare ginsenoside Rg3 is remarkably improved. The biotransformation method of the invention is environmentally friendly, has high conversionefficiency and is suitable for large-scale production and application.

The invention relates to a Maca cultivation method. The method comprises the following steps that firstly, a 200-400-fold dilute solution of fertilizer A is sprayed to leaves 45-60 days after Maca seedling transplanting, the spraying amount is 1.0-2.0 kg/mu, the fertilizer A is sprayed every 15-20 days, and the total spraying number of times is 3-4; secondly, a 400-600-fold dilute solution of fertilizer B is sprayed to leaves 45-60 days before Maca harvesting, the spraying amount is 0.8-1.5 kg/mu, the fertilizer B is sprayed every 10-15 days, and the total spraying number of times is 1-2. The Maca cultivation method is simple, safe and efficient, the special requirements of Maca for nitrogen phosphorus and potassium, amino acid, microelements, active factors and the like in the growth process can be sufficiently met, the Maca root yield can be increased, the content of the effective active constituent glucosinolate of Maca can be significantly improved, and therefore the Maca quality is obviously improved.

The invention relates to a preparing method for a novel microwave absorbing material based on fly ash, and belongs to the technical field of microwave absorbing materials. The preparing method in thetechnical scheme includes the steps that firstly, the fly ash is screened, soluble starch is added, and through an Eirich powerful mixing machine, fly-ash ceramic raw meal balls are synthesized; then,the raw meal balls are screened, dried and then put into a precursor solution dissolving metal ions Co2+, and then the precursor solution is introduced into the raw meal balls with a liquid phase synthesis method; finally, through carbon thermal reduction, the ceramic composite microwave absorbing material carrying a metal simple substance Co is obtained. According to the preparing method for thenovel microwave absorbing material based on the fly ash, the fly ash as a raw material is solid waste, and is wide in source, low in cost and suitable for large-scale production application; as the specific surface area of the fly ash is large, the fly ash has high adsorption activity, and is an ideal carrier material. The ceramic composite wave-absorbing material prepared with the method has board application prospects.

The invention provides an aquilaria sinensis bundling and agilawood-forming method. The aquilaria sinensis bundling and agilawood-forming method comprises the following steps: S1, selecting an aquilaria sinensis plant meeting agilawood forming conditions as an agilawood forming tree; S2, selecting a bundling point and a bundling iron wire for agilawood forming; S3, cleaning a trunk binding part, and tightly binding the trunk along the binding point by adopting the iron wire until the trunk is attached to the bark; S4, after bundling is completed, smearing an inducer onto the bundling gap of the iron wire until tree burls are generated and wrap the iron wire; S5, after 13 months of bundling, splitting the burls every other half a year to observe the agilawood forming condition; and S6, taking agilawood from the trunk, bundling and sealing the section of a tree stump left on the ground through a plastic film, and culturing sprouting branches for continuous agilawood forming. The agilawood forming method disclosed by the invention is green and environmentally-friendly, saves resources, is friendly to the environment, reduces the cost, simplifies the process, is applicable to large-scale production, and provides a good way for agilawood forming.