12 results about "Sodium acetate" patented technology

The invention discloses an efficient liquid sodium acetate carbon source for degrading ammonia nitrogen in wastewater. The efficient liquid sodium acetate carbon source is prepared from sodium acetate, glacial acetic acid, sodium carbonate, ethyl alcohol, glucose and deionized water. The efficient liquid sodium acetate carbon source is prepared through the following steps: uniformly mixing sodiumacetate and glacial acetic acid, adding a part of deionized water, stirring to obtain a solution 1; taking sodium carbonate, adding a part of deionized water, and stirring to obtain a solution 2; taking glucose, adding a part of deionized water, and stirring to obtain a solution 3; and mixing the solution 1, the solution 2 and the solution 3, sequentially adding ethyl alcohol and the rest of deionized water, and uniformly stirring to obtain the efficient carbon source (liquid sodium acetate) for degrading ammonia nitrogen in wastewater. The efficient liquid sodium acetate carbon source has thebeneficial effects that sodium acetate is harmless to a human body, is low in cost, is easily absorbed and used by microorganisms, and is an ideal external carbon source; glacial acetic acid can externally increase a carbon source, and the pH value is maintained in the sewage treatment process; and sodium carbonate can provide an inorganic carbon source for a part of microorganisms.

The invention relates to a long-acting preservative for meat products. The preservative is prepared from the following raw materials in parts by weight: 1-3 parts of ethanol, 4-8 parts of rhus chinensis, 10-15 parts of sodium diacetate, 5-7 parts of potassium sorbate, 6-7 parts of calcium propionate, 11-15 parts of tea flower extract, 3-4 parts of glycerinum, 3-9 parts of lactic acid, 2-4 parts of trisodium phosphate, 1-3 parts of sodium lactate, 2-6 parts of sodium citrate, 0.3-0.5 part of nisin, 3-6 parts of sodium succinate and 0.6-1 part of malic acid. The long-acting preservative for meat products provided by the invention has the benefits that the long-acting preservative for meat products provided by the invention is long in acting time, good in effect and safe and efficient, and the taste of the meat products is not affected while corrosion is prevented.

The invention relates to a soil ripening regulating agent for a sweet orange garden. The soil ripening regulating agent mainly comprises pine needle soil, domestic sludge, cattle and sheep manure, yeast powder, ammonium bicarbonate, a water-retaining agent and a supersaturated sodium acetate solution. An application method of the soil ripening regulating agent includes mixing the above raw materials except for the supersaturated sodium acetate solution according to a specific ratio, turning the mixture under soil of the garden 5-7 days before sweet orange transplanting, and dumping the supersaturated sodium acetate solution while turning the soil. The soil ripening regulating agent is capable of promoting soil ripening within a short time, high in ripening degree and beneficial to soil tilth improvement and rapid enhancement of fertility, thereby being particularly suitable for soil regulation of the sweet orange garden.

The invention discloses a novel charged nanofiltration membrane for removing organic matter and a preparation method of the novel charged nanofiltration membrane. The preparation method comprises the following steps: (1) dissolving polysulfone resin into a mixture of DMF and ethylene glycol, and conducting stirring and degassing to obtain a resin membrane casting solution; (2) coating a non-woven fabric with the resin membrane casting solution, and performing phase inversion in deionized water to form pores, so as to obtain a porous polysulfone-based membrane; (3) preparing any one of a disodium hydrogen phosphate-citric acid buffer solution, a citric acid-sodium citrate buffer solution or an acetic acid-sodium acetate buffer solution; (4) adding chitosan, a piperazine monomer and an anti-pollution additive into the buffer solution, and uniformly conducting stirring to obtain a water-phase solution; (5) mixing trimesoyl chloride and isophthaloyl chloride, adding the mixture into an organic solvent, and uniformly conducting stirring to obtain an oil phase liquid; (6) cutting the porous polysulfone-based membrane, soaking the porous polysulfone-based membrane in the water-phase liquid, and removing the water-phase liquid on the surface of the porous polysulfone-based membrane after soaking; (7) conducting polymerizing in the oil phase liquid after soaking; and (8) after polymerization, conducting drying to obtain the novel charged nanofiltration membrane for organic matter removal.

The invention discloses a preparation method of a sodium ion transition metal oxide positive electrode material, which comprises the following steps: S1, mixing: taking out stoichiometric sodium acetate trihydrate, manganese acetate tetrahydrate, nickel acetate tetrahydrate, cobalt acetate tetrahydrate, magnesium acetate, zinc acetate dihydrate and citric acid, and conducting uniform dissolving inquantitative water, then fully conducting stirring and dissolving, transferring the solution into a water bath kettle, and continuously conducting stirring to a gel state. According to a prepared sodium ion positive plate, the Zn element is doped in the sodium ion positive plate, so that the Jahn-Teller effect of Mn<3+> ions can be effectively weakened, and the structural stability of the positive electrode material in the circulation process is better improved, so that the cycle life of the prepared material and improving the rate capability of the prepared material is effectively prolonged,the Zn doping amount can be further increased, the cycling stability of the material can be continuously improved, the material has excellent cycling performance and rate capability in use, the positive electrode material can effectively promote the practical application of the sodium ion battery, and the practicability is relatively high.

The invention provides a method for preparing Fe4N with a microwave absorption property from granular alpha-Fe2O3. The method comprises the following steps: with ferric chloride hexahydrate, sodium acetate, ethylene glycol and the like as main raw materials, synthesizing granular alpha-Fe2O3 by adopting a hydrothermal method, and performing nitriding treatment on the granular alpha-Fe2O3 under theprotection of nitrogen and the atmosphere of ammonia gas to prepare the iron-nitrogen compound material with low-frequency wave-absorbing performance. An XRD performance test proves that the synthesized material has high crystallinity. The morphology characterization by SEM proves that the synthesized alpha-Fe2O3 is granular, and the nitrided iron-nitrogen compound has a bulge shape on the surface. A vibration magnetometer is used for testing the magnetic force intensity; wherein the synthesized iron-nitrogen compound is proved to have good magnetic performance; the wave-absorbing performanceof the nitrided iron-nitrogen compound is tested through a vector network instrument, and it is proved that the iron-nitrogen compound has good wave-absorbing performance at a low frequency band, hashigh practical application value and has good application prospects in the fields of microwave absorbing materials, electromagnetic protection and the like.

The invention relates to a non-washing dry-cleaning hat hair washing and hair-care agent formula and a preparation method thereof. The formula comprises 0.2-0.3 part of hexadecylpyridinium chloride, 0.01-0.03 part of benzethonium chloride, 0.2-0.5 part of alkyl polyglycoside, 0.2-0.5 part of coconut oil amphoteric sodium acetate, 0.1-0.3 part of water-soluble silicone oil, 0.1 part of aloes, 0.1 part of vitamin E, 0.5 part of olive oil PEG-7 esters, 0.5 part of hexadecyl alcohol, 0.1 part of ethylene diamine tetraacetic acid, 0.01 part of bronopol and 97.06-97.98 parts of water. The preparation method includes the following steps that the olive oil PEG-7 esters and the hexadecyl alcohol are heated and cooled; water is added into the ethylene diamine tetraacetic acid and stirred, then water is added in the hexadecylpyridinium chloride and the benzethonium chloride and stirred, and then water is added into the water-soluble silicone oil, the aloes and the vitamin E and stirred; the two products in the two steps are mixed and stirred, and then alkyl polyglycoside and the coconut oil amphoteric sodium acetate are added and stirred; the hexadecylpyridinium chloride and the bronopol are added and stirred. The formula has the advantage that the formula has moderate, sterilization, scrap removing and moistening functions.

The invention discloses an antibacterial and anti-aging denture soft lining material. The material is prepared from a dandelion extract, vinyl silicone rubber, tetraethyl orthosilicate, hydroxy silicone oil, silicon dioxide, a crosslinking agent, an accelerator, an anti-aging agent, barium titanate, zinc oxide, propargyl glycerol monopalmitate, stearic acid, magnesium carbonate, casein, sodium acetate and an ethylene-octene copolymer. According to the denture soft lining material, rubber and plastic are blended, the fitting performance and the elasticity are good, the materials are subjected to banburying and vulcanization molding, demolding is conducted after the materials are cured, and the denture soft lining material is obtained; the denture soft lining material has high elasticity, the water absorptivity is smaller than that of a silicone rubber soft lining material, the cost is low, the solubility is also maintained at a relatively low level, and the biocompatibility of the denture soft lining material is good.

The invention discloses a formula and a manufacturing method of an antique tile with a high-brightness surface. The manufacturing method comprises the following steps of: drying resin, ceramic micro powder, a chloroprene rubber adhesive, sodium acetate, triisopropanolamine and ethylene glycol antimony in a drying box at a certain temperature; putting the materials into a mixer, sequentially adding a stabilizer, a curing agent and a defoaming agent, and mixing at a high speed; and putting the mixed material into a mold of a molding press, pressurizing at high temperature, shaping, exhausting, maintaining pressure, molding, and demolding by using a demolding agent; and carrying out heat treatment and heat preservation on the demolded mold at a certain temperature, and finally, deburring by using abrasive paper, polishing and painting to obtain a finished antique tile. The method is easy to operate and well adapts to the processing efficiency of the antique tile, and the prepared antique tile has the advantages of being light, high in strength, resistant to aging, high in surface brightness and the like.