92results about How to "No "three wastes" discharge" patented technology

The invention discloses a thermoplastic elastomer composition which is plasticated by the following main components by weight: 100 parts of polyurethane thermoplastic elastomers, 30-150 parts of polyvinyl chloride thermoplastic elastomers, 25-50 parts of styrene elastomers, 0-30 parts of blend and 4-8 parts of auxiliaries, wherein the auxiliary is any one or more of a composite rare-earth stabilizer, zinc stearate, calcium stearate, stearic acid or polyethylene wax; and the blend is butyronitrile N18. The invention selects the thermoplastic elastomers with similar polarity and complementary properties to be synthesized and used and selects compatilizers to organically combine several best molecules with different structures, so that the generated novel thermoplastic elastomer has superior performance and appropriate price, can meet the requirements of market products and has wide application range because the product has the technical advantages of excellent oil resistance, resistance to low temperature of minus 35 DEG C, acid-alkali resistance, aging resistance and lower proportion than the vulcanized products with the same price.

The invention provides high-flowability pregelatinized starch and a method for preparing the same by mechanical activation, which belong to the technical field of starch modification processing. The method comprises the following steps: uniformly mixing starch and a certain amount of flow aid in a high-speed mixer uniformly, pre-drying the starch by using heat generated in a high-speed mixing process, and controlling the water content in the starch to be lower than 15 percent; and placing the uniformly mixed materials in a ball mill containing a milling medium, well regulating the temperature for constant-temperature dissolution in water, performing mechanical activation for a certain time period, taking the starch out, and sieving the starch with a 80 to 100-mesh sieve. The method has the advantages of simple process and equipment, small investment, environmentally-friendly process, low production cost, easy product quality control and the like. The prepared product has the characteristics of high flowability, loose structure, uniform particles and precision control over pregelatinization degree and can be widely used in industrials and fields of foods, pharmaceuticals, chemicals and the like.

The invention discloses a method for synthesizing thiofide NS by an oxygen oxidation method. The method comprises the following steps of: adding promoter MBT and ammonia water in the molar ratio of 1:2-7 into a three-neck flask, dissolving and adding in a high-pressure oxidation kettle, dissolving the catalyst of copper sulfate with the ammonia water and adding into the high-pressure oxidation kettle, reacting at a temperature of 40-70 DEG C, introducing oxygen in the high-pressure oxidization kettle at a reaction pressure of 0.2-0.7MPa, adding tert-butylamine into the high-temperature oxidation kettle by using a constant-pressure sampling pump, reacting continuously for 0.2-0.7h after oxygen introduction, maintaining the pressure of the high-pressure oxidation kettle, stopping reaction; storing mother liquor into a sealed flask after filtering, preparing for reuse, washing and drying the product to obtain the thiofide NS with a product purity of above 98 percent. The invention has the advantages that the method has simple process and is easy to industrialized, the products have good quality and high yield as the mother liquor can be recycled and a small amount of tert-butylamine is consumed, and no three wastes are discharged in the synthesizing process.

The invention discloses a preparation method for a white mineral-titanium dioxide composite powder pigment. The white mineral-titanium dioxide composite powder pigment is prepared by firstly preparing slurries respectively from a white mineral powder and pigment-grade titanium dioxide with water, employing an organic modifier to perform surface modification, regulating the pH value, then uniformly mixing the prepared slurries, and performing strong stirring, press filtering and drying. The preparation method comprises the following advantages that 1) energy consumption is relatively low in the preparation process; 2) the surface of the prepared composite particle has hydrophobicity, and the particle is good in compatibility with organic matrix; 3) the preparation technology is simple, especially solid-liquid separation is easy to realize, and large-scale production is easy to realize; and 4) the production process is clean, no three wastes (waste gas, waste water and industrial residue) are discharged, and environment is not polluted.

The invention discloses high-concentration nano-carbon cotton special fertilizer and a preparation method thereof, and belongs to the technical field of fertilizer. The high-concentration nano-carbon cotton special fertilizer obeys a cotton nutrient absorption rule and is prepared form raw materials of urea, potassium dihydrogen phosphate, potassium chloride, calcium-magnesium-phosphate fertilizer, monoammonium phosphate, ferrous sulphate, zinc sulfate, ethylene diamine tetraacetic acid (EDTA)-manganese chelate, borax, ammonium molybdate and nano-carbon according to certain ratios. The preparation method comprises the following steps of melting urea at a high temperature, carrying out pressurization, mixing the melted urea and other raw materials well, carrying out crushing and sieving, heating, preparing paste, carrying out vibration filtration, carrying out sprinkling and forming, cooling, sieving, carrying out anti-caking treatment and carrying out packaging. The high-concentrationnano-carbon cotton special fertilizer has comprehensive nutrition, balanced fertilizer components and a high fertilizer utilization rate, and can improve a cotton yield and cotton quality.

The invention relates to a method for producing silkworm chrysalis peptide powder and silkworm chrysalis meal by an aqueous biological enzyme method. According to the method, silkworm chrysalises serve as raw materials, an enzymolysis solution is obtained through drying, crushing and carrying out aqueous-phase enzymolysis, a supernatant and residues are obtained through carrying out centrifugation on the enzymolysis solution, the silkworm chrysalis meal is obtained through drying and crushing the residues, and the silkworm chrysalis peptide powder is obtained through carrying out oil-water separation, ultrafiltration-membrane ultrafiltration and desalination on the supernatant and then drying and crushing. The method specifically comprises the following steps of (1) drying and crushing; (2) carrying out aqueous-phase enzymolysis; (3) carrying out centrifugation and oil-water separation; (4) carrying out ultrafiltration-membrane filtration; (5) carrying out desalination; (6) drying and crushing, thereby obtaining the silkworm chrysalis peptide powder. According to the method, the aqueous biological enzyme method is applied to insect cells-silkworm chrysalis cells for the first time; the method has the advantages that the process is simple, safe and environmental-friendly, the cost is low, the quality of the obtained silkworm chrysalis peptide powder and silkworm chrysalis meal is high, and the like; the method disclosed by the invention has the characteristics that the oil and fat removal efficiency is high, the residual fat content of the obtained silkworm chrysalis peptide powder and silkworm chrysalis meal is low, the oligopeptide content of the obtained silkworm chrysalis peptide powder and silkworm chrysalis meal is high, and the like.

The invention discloses a deacidifying agent decreasing the acid value of liquid organic mixtures and a preparation technology. Organic acid in the liquid organic mixtures like fuel oil products is removed through the method of deacidifying agent complexation. According to the preparation technology of the deacidifying agent, inorganic base, organic base and an organic solvent are mixed and stirred at certain temperature to form a high-boiling-point transparent solution with good fluidity. According to the deacidifying technology, deacidifying conditions are mild, operation is easy, production cost is low, safety is high, and the problems that in an existing deacidifying technology, emulsification is likely to occur, high energy consumption and high solvent consumption are caused in solvent evaporation, and the recovery rate is low because separation is not thorough are solved. The new deacidifying technology has the advantages that complexation extraction is thorough, the two-phase settling and layering speed is high, the solvent-oil volume ratio is small, the solvent does not need to be evaporated and can be recycled, energy consumption is low, and three waste discharge is avoided.

The invention discloses a novel scale inhibition and dispersion agent. The novel scale inhibition and dispersion agent with excellent calcium carbonate scale inhibition performance and a certain calcium phosphate scale dispersion performance is prepared from maleic anhydride monomers and sulfamic acid monomers under the action of a catalyst in a peroxide and sodium hypophosphite initiation system. The scale inhibition and dispersion agent product has simple reaction process and stable and reliable technique. No three wastes are discharged, and environment pollution is not caused.

The invention discloses an anti-stress agent for a piglet and a preparation method of the anti-stress agent. The preparation method comprises the following steps: mixing butyrate clostridium powder, lactic acid bacteria powder, bacillus natto powder, vitamin C and/or vitamin E phosphate, organic acid and sylvite, and uniformly stirring. The butyrate clostridium powder, the lactic acid bacteria powder and the bacillus natto powder are prepared by adopting the steps of inoculating various strain liquid seeds in a solid culture medium, fermenting, drying and crushing. The anti-stress agent disclosed by the invention is capable of helping intestinal tracts of the piglet rapidly establish microecological balance, and capable of improving the immunity of the piglet at delactation stage and preventing the stress syndromes of the piglet occurring in ablactation, crowd transferring, transporting and the like, and has the characteristics of good stress resisting effect, wide raw material source, simple production process, low cost, no three-waste (waste gas, waste water and industrial residue) emission and the like.

The invention discloses a high-tower slow-release compound fertilizer. The fertilizer contains the following raw materials in parts by weight: 28-32.5 parts of urine, 15-19 parts of isobutylidene diurea, 23-30 parts of monoammonium phosphate, 17-25 parts of potassium sulfate or potassium chloride and 4-6 parts of magnesium sulfate. Since the isobutylidene diurea is taken as slow-release matrix and the fertilizer core internal slow-release technology is adopted, the invention has the advantages that the nutrition slow-release performance is good, the nitrogen loss is reduced, the protection of the ecological environment is facilitated, no production line is required to be newly constructed for the production, the production technology is simple, the investment is saved, the production cost is low, and the popularization and the application of the high-tower slow-release compound fertilizer in the agricultural production are facilitated.

The invention discloses a nano-carbon type special silicon fertilizer for rice and a production process of the fertilizer and relates to the technical field of special formula fertilizers for crops. The process comprises the steps of taking 400-500 parts of urea, 260-400 parts of potassium chloride, 100-220 parts of monoammonium phosphate, 1-5 parts of nano-carbon and 1-50 parts of sodium silicate as raw materials, and obtaining the fertilizer after melting the urea under the high-temperature, crushing, screening and heating a mixing material, mixing, stirring, spraying, pelleting, cooling, screening, metering and packing. The process is unique in production technology, energy-saving and capable of reducing consumption, and the special fertilizer is complete in nutrient, balanced, high in use ratio and low in environment pollution.

The invention provides a method for synthesizing grafted lysine viscose fibers and belongs to the technical field of modification of fiber materials. According to the method, commercially available viscose fibers and lysine are taken as raw materials, and the grafted lysine viscose fibers with good skin-friendly property, antibacterial property and dyeing property can be prepared stably through steps as follows: preparation of purified viscose fibers, preparation of carboxylated viscose fibers, preparation of ethylene glycol non-aqueous reaction media, preparation of the grafted lysine viscosefibers and preparation of purified ethylene glycol. The carboxylated viscose fibers and the grafted lysine viscose fibers are produced under catalysis of glucose oxidase and protease in sequence, thegrafted lysine viscose fibers are prepared in the ethylene glycol non-aqueous reaction media, reaction conditions are mild, reaction specificity and reaction efficiency are high, no by-products or three wastes are produced, and the method is a typical green production technology; the grafted lysine viscose fibers synthesized with the method are covered with amino acid, can be widely applied to the fields such as textiles, clothes, food and the like and have great social value and economic benefits.

The invention relates to a special corrosion and scale inhibitor for water reuse in a power plant and a preparation method thereof. The special corrosion and scale inhibitor comprises the following components by weight percentage content: 25 to 40% of sulfonic methane amino poly epoxy succinic acid, 20 to 30% of N, N-diacetyl adipic dihydrazide, 12 to 30% of maleic acid-acrylic copolymer, 3 to 5% of graphene oxide aqueous dispersion, 3 to 6% of fatty alcohol-polyoxyethylene ether and 15 to 40% of zinc sulfate aqueous solution. The components of the corrosion and scale inhibitor achieve a synergistic effect, and can realize trace removal of pollutants, after the corrosion and scale inhibitor is compounded, the corrosion and scale inhibition properties are greatly improved, the synergistic effect of physical adsorption and chemical adsorption of the pollutants can be effectively realized, and the special corrosion and scale inhibitor can be used in a wider water pH scope and temperature, and has an excellent sterilizing effect. The production process is simple, three-waste emission is avoided, the stability and water solubility are good, and the main components are biodegradable, free of toxic, phosphorus, pollution and corrosivity, less in adding rate, and environment-friendly.