31results about How to "No source of pollution" patented technology

The invention discloses a tungsten-doped vanadium dioxide nanopowder and a preparation method for the nanopowder. The powder is flaky or conic rod-shaped tungsten-doped B-phase vanadium dioxide of which the chemical formula is V1-xWxO2; the flaky V1-xWxO2 is 1-10 nm thick, 350-450 nm wide and 3-5 mum long, and the conic tip diameter of the conic rod-shaped V1-xWxO2 is 15-25 nm, the cone length is110-150 nm, the rod diameter is 130-150 nm and the rod length is 1-2 mum; the preparation method comprises the following steps of: firstly, weighting vanadium pentoxide and ammonium tungstate according to a component ratio of the V1-xWxO2, melting the weighted vanadium pentoxide and ammonium tungstate and preserving heat for at least 20 minutes, then, dipping the molten mass in a quenching media and stirring for at least 12 hours, standing and aging for at least 10 days to obtain a doped sol, afterwards, adding polyethylene glycol aqueous solution into the doped sol, stirring for at least 8 hours to obtain mixed solution, and setting the mixed solution to be airtight for reaction for 2-6 days at the temperature of 180-220 DEG C so as to prepare the tungsten-doped B-phase vanadium dioxide powder. The tungsten-doped B-phase vanadium dioxide powder can be used as electrode material for lithium ion batteries; and after being annealed, the tungsten-doped B-phase vanadium dioxide powder canbe prepared into a phase-change metallic oxide material with wider application, namely, a tungsten-doped M-phase VO2.

The invention discloses a preparation method of reishi shell-broken spore powder at temperature difference ultrahigh pressure by a wet process. The preparation method comprises the following steps: soaking fresh reishi spore powder so as to absorb water, putting into a centrifugal machine, centrifuging, airing, then putting into an ultralow-temperature refrigerator and liquid nitrogen sequentially, refrigerating so as to obtain the ultralow-temperature wet spore powder with cracked pore shells, then carrying out microwave unfreezing treatment so as to obtain dried shell-broken spore powder, and finally acquiring sterile spore powder with high shell breaking rate under ultrahigh pressure. The method provided by the invention can be used for solving the technical difficulties of low shell breaking rate, food pollution and difficulty in releasing polysaccharide in the processing course; the reishi shell-broken spore powder prepared by the invention has the characteristics of high spore powder shell breaking rate, no pollution source and easiness in absorption of functional inclusions.

The present invention relates to a process for treating organic waste water by utilizing enzyme method. Said process is implemented by making organic waste water successively by passed through the water storage tank or precipitation tank, pH regulating tank, pretreatment device, temperature control device, enzyme reactor and filtration device. It is characterized by that the waste water is fed into the immobilized enzyme reactor from its bottom portion, and undergone the process of one-stage or multistage treatment to implement enzyme catalytic degradation so as to make discharged water meet discharge standard.

The invention discloses a tungsten-doped vanadium dioxide nanopowder and a preparation method for the nanopowder. The powder is flaky or conic rod-shaped tungsten-doped B-phase vanadium dioxide of which the chemical formula is V1-xWxO2; the flaky V1-xWxO2 is 1-10 nm thick, 350-450 nm wide and 3-5 mum long, and the conic tip diameter of the conic rod-shaped V1-xWxO2 is 15-25 nm, the cone length is110-150 nm, the rod diameter is 130-150 nm and the rod length is 1-2 mum; the preparation method comprises the following steps of: firstly, weighting vanadium pentoxide and ammonium tungstate according to a component ratio of the V1-xWxO2, melting the weighted vanadium pentoxide and ammonium tungstate and preserving heat for at least 20 minutes, then, dipping the molten mass in a quenching media and stirring for at least 12 hours, standing and aging for at least 10 days to obtain a doped sol, afterwards, adding polyethylene glycol aqueous solution into the doped sol, stirring for at least 8 hours to obtain mixed solution, and setting the mixed solution to be airtight for reaction for 2-6 days at the temperature of 180-220 DEG C so as to prepare the tungsten-doped B-phase vanadium dioxide powder. The tungsten-doped B-phase vanadium dioxide powder can be used as electrode material for lithium ion batteries; and after being annealed, the tungsten-doped B-phase vanadium dioxide powder canbe prepared into a phase-change metallic oxide material with wider application, namely, a tungsten-doped M-phase VO2.

The invention relates to a novel waterproof sealing material for home decoration, belonging to the field of sealing materials. The invention aims to enhance the adhesive force, structural strength, corrosion resistance and other indexes of the waterproof sealing material. Components A and B are proportionally prepared to obtain the product. The product can satisfy various new requirements for interior decoration in modern society, and is a substitute material for the traditional glass cement.

The invention discloses a production method of oxygen-free high-purity cadmium powder, which comprises the following steps of putting a cadmium metal material into a sublimation furnace evaporation tank, sealing a feed port of the sublimation furnace evaporation tank, filling protective gas into a condenser, exhausting air in the evaporation tank, the condenser and a material collector, and continuously filling the protective gas in the subsequent production process; then starting the sublimation furnace evaporation tank, the condenser and an exhaust fan, heating the cadmium metal material to sublimate cadmium metal, and enabling a generated cadmium metal gas-liquid mixture to enter the condenser, cooled and solidified into powder and fall into the material collector. The production method is easy to operate, high in flexibility, high in production efficiency, free of pollution, less in energy waste, low in cost, high in equipment and raw material utilization rate, capable of automatically and continuously operating, less in needed manual operation after operation and good in operation safety, and the oxygen-free high-purity cadmium powder which is good in quality uniformity, high in purity and good in quality can be prepared.

The invention discloses an aqueous white color chip for artificial leather. The color chip is characterized by being prepared from the following raw materials in part by mass: 4,000 to 5,600 parts of titanium white, 2,100 to 3,700 parts of styrene-acrylic resin, 300 parts of ethanolamine, and 5,000 parts of water (H2O). A preparation method comprises the following steps of: weighing the raw materials according to the mass proportion; pouring the styrene-acrylic resin, the ethanolamine and the water into a material cylinder of a ball mill, and grinding for 5 to 20 minutes to ensure that the raw materials are fully mixed and dissolved to obtain emulsion; pouring the titanium white into the material cylinder, grinding for 2 to 2.5 hours by the ball mill, and dispersing to ensure that the emulsion and the titanium white are fully mixed to obtain paste; and finally, drying the paste by a dryer to obtain the solid aqueous white color chip. The aqueous white color chip is easy to package andstore, and also has the characteristics of good environment friendliness, good color development performance, easiness in color mixing, high repeatability and broad applicable scope.

The present invention relates to a process for treating organic waste water by utilizing enzyme method. Said process is implemented by making organic waste water successively by passed through the water storage tank or precipitation tank, pH regulating tank, pretreatment device, temperature control device, enzyme reactor and filtration device. It is characterized by that the waste water is fed into the immobilized enzyme reactor from its bottom portion, and undergone the process of one-stage or multistage treatment to implement enzyme catalytic degradation so as to make discharged water meet discharge standard.

The invention relates to a continuous metallurgical composite production process for copper-clad aluminum rows. The process comprises a pretreatment step, a continuous coating step, a welding step, a continuous rolling step, an on-line automatic monitoring step and a diffusion heat treatment step, thereby achieving the following technical effects of: (1) ensuring full uniform combination of copper sheets and aluminum rows, as well as uniform thickness of copper coating; and (2) greatly improving finished-product rate and ensuring yield and quality. Therefore, the production process solves theproblem of producing the copper-clad aluminum rows with various specifications, is particularly applicable to the manufacture of large-size copper-clad aluminum rows, and has huge economic benefit.

The invention relates to a method for improving an eutrophic water body by planting vegetables on a water surface, which comprises the following steps of: (1) selecting fresh water of which the nitrogen content is more than or equal to 0.5 mg / L, phosphorus content is more than or equal to 0.05 mg / L and potassium content is more than or equal to 0.5 mg / L in a water body; (2) enclosing a vegetable planting area; (3) arranging the vegetable planting area; (4) manufacturing a floating planting bed; (5) selecting vegetable varieties; (6) planting vegetables; (7) managing, namely controlling the speed of water flow according to the growth vigor of the vegetables and a detection result of water quality, so that compared with a water inlet in the planting area, at a water outlet, the total nitrogen content is reduced by 30 to 90 percent, the total phosphorus content is reduced by 20 to 70 percent, and the potassium content is reduced by 10 to 50 percent while the growth vigor of the vegetables is ensured; and (8) selecting the vegetable varieties which is suitable to be planted in different seasons, and planting in turn throughout the year. In the method, the eutrophic water body is improved effectively by a biological cleaning method, and compared with physical and chemical means of managing the eutrophic water body, the method has obvious effect and low investment cost and is convenient to popularize and perform large-scale planting; and the vegetables are planted without applying fertilizer and spraying pesticides, so a new pollution source is not generated, and the planted vegetables reach the standard of green organic vegetables. By the method, resource utilization is maximized, and vegetable baskets of people are abundant while the eutrophic water body is managed. The production management and monitoring are convenient, so the method is particularly suitable for the large-scale planting.

The invention relates to a water-based color chip for artificial leather, which is prepared from the following raw materials in parts by mass: 1250-5600 parts of primary color powder, 2100-3700 parts of styrene-acrylic resin, 300 parts of ethanolamine and 5000 parts of water (H2O). The powder comprises titanium white and carbon black. The preparation method comprises the following steps: weighing the raw materials according to parts by mass: pouring the styrene-acrylic resin, ethanolamine and water into a material cylinder of a ball grinder, and grinding for 5-20 minutes until the styrene-acrylic resin, ethanolamine and water are sufficiently mixed and dissolved, thereby obtaining an emulsion; pouring the primary color powder into the material cylinder, and dispersing by grinding with a ball grinder for 2-2.5 hours until the emulsion and primary color powder are sufficiently mixed, thereby obtaining a slurry; and finally, drying the slurry with a drying machine, thereby obtaining the solid water-based color chip. The invention is convenient for color matching and easy for storage, has the characteristics of favorable repetitiveness and wide application range, and can be dissolved in water-based polyurethane and oil-based polyurethane.

The invention relates to an aqueous black sheet used for artificial leather, which is characterized by being prepared from the following raw materials in parts by weight: 1250-1750 parts of carbon black powder, 2750-3250 parts of styrene-acrylic resins, 500 parts of ethanolamine and 5000 parts of water (H2O). The preparation method comprises the following steps of: weighing the raw materials according to the parts by weight; then pouring the styrene-acrylic resins, ethanolamine and water into the material cylinder of a ball mill, and milling for 5-20 minutes to fully mix and dissolve and obtain an emulsion; then pouring the carbon black powder into the material cylinder, and milling with the ball mill for 2-2.5 hours to disperse so that the emulsion and the carbon black powder are sufficiently mixed to obtain slurry; and finally drying the slurry using a dryer to obtain the solid black sheet. The aqueous black sheet provided by the invention has the characteristics of simpleness in package and storage, good environmental protection property, good color development performance, convenience in color mixing, good repeatability and wide application range.

The invention provides a preparation method of lactic acid Amphibacillus fermentation liquor, and a preparation method of a lactic acid Amphibacillus fermentation liquor composite antiseptic by using the fermentation liquor thereof. The method of the invention aims at solving the problems of present complex preparation technology of lactic acid Amphibacillus as well as high production cost and low output existed in antiseptic preparation. The preparation method for the fermentation liquor comprises the following steps: activating bacteria liquid; extracting thallus from the activated bacteria liquid of four types bacterium; mixing the thallus, inoculating into a fermentation cylinder for fermenting to obtain the fermentation liquor; culturing the fermentation liquor to finish the preparation of the fermentation liquor. The method for preparing the composite antiseptic comprises the following steps: mixing nisin, natamycin, propionic acid, bamboo leaf antioxidant, chitosan, disodium ethylene diamine tetraacetate, ethanol, tocopherol and activated water; mixing the mixed liquor and the fermentation liquor to react to finish the preparation of the composite antiseptic. The method of the invention has the advantages of simple preparation technology, low cost and high output. The composite antiseptic is used for food antiseptic.

The invention relates to a preparation method of copper foil antenna and comprises the following steps: first, designing the shapes and dimensions of die cutting tools of materials according to requirements; preparing raw materials of double faced adhesive tape, PET, copper foil, PC, transparent PET protective film and exhausting film, respectively preparing tools for die cutting PC, copper foil,transparent PET and main material mesh cloth and installing on the tool seats corresponding to the used die cutting devices, respectively laminating and die cutting the raw material of PC, copper foil, transparent PET and mesh cloth to obtain a tape coiling group winded with initially shaped half-finished products of PC, copper foil and transparent PET and directly obtain the monomer half-finished product of mesh cloth; then placing the tape coiling group of the half-finished products of PC, copper foil and transparent PET on slicing machines to slicing; sticking PC, copper foil and transparent PET sequentially on fixed position on a jointed board to obtain the finally finished product of copper foil antenna. The method can replace the conventional methods to manufacture antennae, can satisfy the requirement on internally installed antennae in mobile phones well, can realize mass production, and opens up a new field for preparation technology of antennae.

The invention relates to the new technical field of preparation of edible fungus strains, in particular to a multiplication circulating reproduction method for oyster mushroom and pleurotus geesteranus strains. The multiplication circulating reproduction method comprises arranging strain culture rooms with cross-ventilation windows, shades and space of about 40-50 m3 per room, establishing a strain culture bed frame with a multilayer structure in each culture room, performing strain multiplication circulating culture in the bed frame, and matching an interval timer during the culture period to control an air pump to supply oxygen to the strains intermittently so as to facilitate rapid germination and feeding of hyphae; and forming producing culture matrix materials by fermentation, mixing the producing culture matrix materials and the strains during reproduction according to weight ratio, culturing the mixture on the culture bed frame to obtain a first batch of strains, then mixing the first batch of strains and the producing culture matrix materials according to weight ratio, obtaining a second batch of strains by managing culture, and performing circulating multiplication reproduction on the second batch of strains according to the method so as to cultivate the strains with the amount suitable for enough self-arrangement.

The invention discloses a magnetic force-driven tapered hole inner surface strengthening device in the field of parts surface treatment. The bottom of the cylinder body is vertically placed with a workpiece, and the workpiece is provided with a tapered hole whose large end faces directly above. , the center of the top cover has a top cover through hole communicating with the taper hole, a piston is arranged in the top cover through hole, the piston is fixedly connected to the lower end of the connecting rod coaxially, and the upper end of the connecting rod extends upwards out of the top cover and is fixed Connect the slider, the slider is slidably connected with the upper and lower vertical guide rails, the slider is fixedly connected to one end of the transmission rod at the same time, and the other end of the transmission rod is fixedly connected to the edge of the disc arranged horizontally on the central axis, and the disc is fixedly connected to the center of the shaft. One end of the commutator piece, the other end of the commutator piece is fixedly connected to the coil, the coil is horizontally placed between a pair of magnets, the commutator piece is in contact with the brush, and the brush is connected to the power supply through a wire; the volume is driven alternately by magnetic force, Cavitation enhancement is caused by changing the liquid pressure in the volume, and the strengthening effect is good.

The invention discloses a preparation method of reishi shell-broken spore powder at temperature difference ultrahigh pressure by a wet process. The preparation method comprises the following steps: soaking fresh reishi spore powder so as to absorb water, putting into a centrifugal machine, centrifuging, airing, then putting into an ultralow-temperature refrigerator and liquid nitrogen sequentially, refrigerating so as to obtain the ultralow-temperature wet spore powder with cracked pore shells, then carrying out microwave unfreezing treatment so as to obtain dried shell-broken spore powder, and finally acquiring sterile spore powder with high shell breaking rate under ultrahigh pressure. The method provided by the invention can be used for solving the technical difficulties of low shell breaking rate, food pollution and difficulty in releasing polysaccharide in the processing course; the reishi shell-broken spore powder prepared by the invention has the characteristics of high spore powder shell breaking rate, no pollution source and easiness in absorption of functional inclusions.