1854 results about "Trisodium phosphate" patented technology

The invention relates to an anti-emulsification water-soluble metal washing agent. Every 100 parts of the anti-emulsification water-soluble metal washing agent include the following components according to parts by weight: 3-7 non-ionic surfactant, 3-7 bi-ion active agent, 1-5 chelator, 1-5 rust preventive, 5-10 inorganic builder and the balance water, wherein the non-ionic surfactant is any one of fatty amine polyoxypropylene ether, alkylphenol ether and fatty amine polyoxyethylene alkyl ether ammonium sulfate, the bi-ion active agent is any one of alkyl dimethylin acetic acid betaine, lauramidopropyl betaine and cocamidopropyl betaine, the chelator is any one of sodium citrate, ethylenediaminetetraacetic acid tetrasodium salt and nitrilotriacetic acid sodium salt, the rust preventive is any one of sodium borate, sodium nitrite, sodium benzoate and long carbon chain carboxylic acid amine, and the inorganic builder is any one of trisodium phosphate, sodium metasillcate, sodium carbonate, sodium bicarbonate and sodium hydroxide. The anti-emulsification water-soluble metal washing agent has the advantage of higher cleaning capacity and reutilization capacity.

The invention discloses paper sepiolite sustained-release antibacterial cat litters which comprise the following raw material components in percentage: 60 to 70 percent of recycled paper, 10 to 5 percent of modified sepiolite, 3 to 5 percent of peanut shell, 5 to 8 percent of plant ash, 4 to 6 percent of super absorbent resin and 5 to 10 percent of carboxymethyl cellulose. In the invention, the sepiolite is soaked in sodium phosphate after being activated at a high temperature and adsorption of the sepiolite on Ag<+> and Cu<2+> can be improved, so that an antibacterial effect of the sepiolite is improved; moreover, due to a sustained-release function of the sepiolite, the paper sepiolite sustained-release antibacterial cat litters can sterilize for a long time, have good stability and have an obvious antibacterial effect. The cat litters prepared by the invention are beneficial for improving the environment in a cat litter box, preventing breeding of bacteria on small cats and ensuring health of a master and pets.

The invention relates to a high-efficient combined inhabitor for pyrite in complex sulfide ores and the application method of the inhabitor. The inhabitor comprises calcium superoxide and HA-Na. The inhabitor of the invention can inhibit complex vulcanized iron-bearing minerals selectively, has better inhibition properties for magnetic pyrite, pyrite and arsonopyrite, and is an inhabitor of high selectivity. Compared with the prior inhibitors such as lime, cyanide, bichrome, potassium permanganate, sodium sulfide, sulphite, zinc sulphate and trisodium phosphate, the invention has the advantages of lower use level, good effects, no pollution, and other advantages.

The invention discloses a recovery method for a cathode material of a waste lithium iron phosphate battery. The recovery method comprises the following steps: firstly, placing a positive plate obtained through disassembly of the waste lithium iron phosphate battery in an ultrasonic machine containing a dilute alkali liquor to be processed, so that a lithium iron phosphate material is separated from an aluminum foil; then, drying the lithium iron phosphate material, after that, performing acid leaching under a normal-temperature condition, and controlling the quantity of an acid solution to ensure that the pH of the solution is 2.5-6.5 after finish of a reaction and iron exists in insoluble residues in the format of iron phosphate, wherein the leaching rate of lithium is more than 97% and the leaching rate of iron is less than 0.1%; and performing filtering to obtain a filtrate and insoluble iron phosphate, performing heat treatment on the insoluble residues to remove organics so as toobtain ferric phosphate, and after purification and enrichment of the filtrate, adding trisodium phosphate for a reaction to obtain lithium phosphate. In the whole recovery process, the yields of lithium and iron are respectively 96% and 99.5%. The recovery method has the advantages that used equipment is simple, the technological process is short, and valuable raw materials are efficiently recovered.

An improved process calcining a gypsum/cellulosic fiber slurry to produce a composite gypsum/cellulosic fiber product resides in adding a selected crystal modifier to the gypsum/cellulosic fiber slurry prior to the heating step to reduce the time necessary to carry out the calcination process, to reduce the temperature at which the calcination process is run or to increase the aspect ratio of the acicular calcium sulfate alpha hemihydrate crystals formed during the calcination process. Useful crystal modifiers include aluminum sulfate, aluminum chloride, chlorine, zinc sulfate, iron (III) sulfate, aluminum sulfate hexadecahydrate, iron (II) sulfate heptahydrate, iron (III) sulfate pentahydrate, zinc sulfate heptahydrate, copper sulfate pentahydrate, copper chloride dehydrate, manganese sulfate monohydrate and trisodium phosphate.

The invention provides a preparation method of drug and protein sustained-release alginate hybrid gel. The preparation method comprises the steps of preparing calcium alginate hydrogel, then soaking the calcium alginate hydrogel in inorganic salt solutions including trisodium phosphate, diammonium hydrogen phosphate, sodium silicate, sodium carbonate, sodium oxalate and the like at certain concentration to swell for a certain period of time, and soaking the swelled calcium alginate hydrogel into an aqueous solution of drugs and proteins with calcium ions at certain concentration for crosslinking for a period of time, thus obtaining the drug and protein sustained-release alginate hybrid gel. The calcium alginate hydrogel disclosed by the invention can be in the shape of a membrane, a microballoon, a fiber and the like. The method disclosed by the invention is simple to operate and does not adopt any poisonous and harmful solvent; the activity of the immobilized protein is high; the materials are good in biocompatibility; and the drug and protein sustained-release alginate hybrid gel is good in slow release performance, and has good application prospect in the fields of tissue engineering, controlled release, medicine and health, and the like.

The invention discloses a method for recovering lithium from lithium iron phosphate. The method disclosed by the invention comprises the following steps: dissolving waste lithium iron phosphate slag with sulfuric acid and ferric sulfate, leaching iron, lithium and phosphorus, adding an oxidizing agent, reacting iron and phosphate radicals to produce an iron phosphate precipitate and a small amountof ferric hydroxide, converting lithium into a water-soluble lithium sulfate solution, filtering to obtain the lithium sulfate solution, adding sodium carbonate into the lithium sulfate solution to prepare a lithium carbonate product, and adding sodium phosphate or phosphoric acid to prepare lithium phosphate; dissolving the lithium phosphate with ferric sulfate again to obtain the lithium sulfate solution and a compound taking iron phosphate as a principle component, returning the lithium sulfate solution to the system to prepare lithium carbonate, and calcining the iron phosphate slag to remove organic matters and carbon in the slag; and slurrying to prepare cell grade iron phosphate. According to the method for recovering lithium from lithium iron phosphate disclosed by the invention,the lithium is totally converted into the product lithium carbonate in the method, the process flow is short, the cost is low, the lithium recovery rate is 97%, the metal lithium in the lithium iron phosphate can be effectively recovered, and all the slag is converted into the cell grade iron phosphate.

The invention discloses a core glaze for a matte sand streak enamel glaze, belonging to the technical field of enamel glazes. The core glaze comprises, by weight, 20 to 35% of quartz sand, 20 to 30% of magnesium oxide, 18 to 28% of soda ash, 8 to 15% of potash feldspar, 2 to 5% of borax, 1 to 2% of fluorite, 1 to 3% of calcium carbonate, 2 to 5% of trisodium phosphate and 0.02 to 0.1% of cobalt oxide. Through cooperative usage of the core glaze with commercially available bright glazes, colorants and the like, matte sand streak glaze products of different colors and different texture can be conveniently and rapidly at a low temperature in a small scale.

The invention relates to a vegetable planting method. The method comprises a seed treating step, a seedbed seedling raising step, a fertilizer applying and uniform plowing step, a ridging and ditch feeding step, a bare root planting step, a black plastic film covering step and a field management step, wherein the seed treating step comprises the following specific steps of: irradiating seeds with ultraviolet rays for 10 to 45 minutes to sterilize the seeds; soaking the sterilized seeds in solution of potassium permanganate in a ratio of potassium permanganate to water of 1:500 for 10 minutes; cleaning the soaked seeds with water; and soaking the cleaned seeds in 10 percent solution of trisodium phosphate for 5 to 10 minutes for disinfecting; and mixing the soaked seeds by using lactobacillus. No chemical fertilizer or pesticide is used in a planting process, so that the produced vegetables are not polluted. Actinomycetes and the lactobacillus are used in the seedbed seedling raising step, the fertilizer applying and uniform plowing step and the field management step, so that vegetable root rotting can be prevented and the infestation of plant diseases and insect pests to root systems is reduced.

The invention relates to a harmless treatment method of electrolytic manganese residue. The method comprises the following steps of: (1) putting fresh electrolytic manganese residue into a mixer, adding sodium phosphate in a stirring state, and evenly stirring, wherein the mass ratio between the sodium phosphate and the dry electrolytic manganese residue is 3-5%; (2) adding calcium oxide in a continuously stirring state, evenly stirring, and continuously recovering ammonia gas generated in the stirring process, wherein the mass ratio between the calcium oxide and the dry electrolytic manganese residue is 5-10%; (3) unloading when the ammonia gas does not overflow from a mixture obtained in the step (2) to obtain the mixture after harmless treatment. The method not only can effectively fix soluble manganese left in the electrolytic manganese residue, but also can treat residual ammonia nitrogen and other impurities in the electrolytic manganese residue at the same time, thus being very beneficial to resource utilization. The method also has the advantages of being low in treatment cost and easy to operate.

The invention provides a cassia obtusifolia tea bag with functions of weight reduction, hypotension and hypoglycemic effect, which is characterized in that the production process comprises the following steps: washing, cleaning and drying the cassia obtusifolia stem, leaf and grain, crushing by a pulverizer to 280 meshes, uniformly stirring, packing, disinfecting to obtain the cassia obtusifolia tea bag with functions of lipid lowering, hypotension and hypoglycemic effect. The optimal composition and the weight part ratio of the tea bag are: 40-60 parts of dried cassia obtusifolia stem, leaf and grain, 10 parts of dried lotus leaf, 5 parts of haw, 5 parts of dried balsam pear, 5 parts of Chinese wolfberry, 10 parts of Pu'er tea, 10 parts of cassia seed, 5 parts of mulberry leaf, 5 parts of folium apocyni veneti, 5 parts of Chinese yam as medicine, 3 parts of rhubarb, 2 parts of chrysanthemum, 2 parts of honeysuckle flower, 1 part of boat-fruited sterculia, 5 parts of cassia seed, 5 parts of kudzu root and 10 parts of additive. The additive is composed of fatty acid sucrose ester, xylitol, mannitol crystal, natural menthol, citric acid, trisodium phosphate, sodium saccharin and steviosid; the above components are carried out the processes of crushing, mixing, uniformly stirring, packing and disinfecting to obtain the tea bag.

The invention relates to an oil field compound type anti-scale corrosion inhibitor and a preparation method thereof, belonging to the technical field of corrosion inhibitor. The oil field compound type anti-scale corrosion inhibitor is characterized by comprising the components by mass percent: 5-10% of sodium molybdate, 10-20% of sodium phosphate, 0.5-1% of acrylic acid-2-acrylamido-2-methyl propane sulfonic acid (AA-AMPS) copolymer, 1-2% of amino trimethylene phosphonic acid and 1-2% of hydroxyl ethylidene diphosphonic acid (HEDP). The preparation method comprises the steps of: firstly, completely dissolving sodium molybdate and sodium phosphate by using water; then, adding the AA-AMPS copolymer under the condition of stirring until the copolymer is completely dissolved; subsequently, adding ATMP and the HEDP, and further stirring for dissolving; and finally, adding water until the concentration of the mixed solution is in accordance with the requirement, so as to obtain the oil field compound type anti-scale corrosion inhibitor. The inhibitor disclosed by the invention has the advantages of simple components, available raw materials, simple technology, high efficiency, low cost, low dosage, good scale inhibition, descaling and corrosion inhibition effects and the like, and is convenient to prepare, rapid.

The invention relates to a method for synthesizing iron phosphate with doped metallic elements. The method comprises the following steps of: (1) using sulfate, chloride or nitrate of iron as an iron source, mixing any one of substances containing other metal cation elements with the iron source, accurately weighting each material in a mol ratio, and adding distilled water into the materials to prepare a mixed solution, wherein the total mol concentration of the mixed solution is 0.1 to 5 mol/L; (2) using one or a mixture of more than one of ammonium dihydrogen phosphate, ammonium phosphate, ammonium hydrogen phosphate and trisodium phosphate as a phosphorus source, and preparing phosphorus solution of which the mol concentration is 1 to 5 mol/L; (3) using ammonia water as a complexing agent and a neutralizing agent; (4) controlling the reaction temperature to between 20 and 98 DEG C, pumping the mixed solution doped with the doped metallic elements and the phosphorus solution into a reactor respectively, controlling the pH value by the ammonia water, and stirring the mixture to ensure that the mixture is continuously co-precipitated in the reactor to generate the iron phosphate with spherical doped metallic elements; and (5) aging, spin-drying, washing and drying the reaction solution to obtain the iron phosphate with the doped metallic elements. The method has the advantages of simple operation, stable performance, low manufacturing cost, sterility and no pollution.

The invention discloses water-based facing type fireproof paint. The water-based facing type fireproof paint is prepared from the following raw materials in mass fraction: 18.0-20.0wt% of film forming matter, 23-23.5wt% of a carbon forming catalyst, 10-11wt% of a carbon forming agent, 12-13wt% of a foaming agent, 9-11wt% of pigment filler, 0.49-1.13wt% of auxiliaries, 20-27.5wt% of water, 0-0.8wt% of trisodium phosphate and 0-0.4wt% of a silane defoaming agent. The invention further discloses a preparation method of the water-based facing type fireproof paint. The water-based facing type fireproof paint prepared by the preparation method disclosed by the invention has good fireproof performance, good water resistance, strong adhesive force for a combustible matrix and good decorativeness, and can be used for surface coating of buildings and decorative materials.

Disclosed is micro-arc oxidation process to reduce the friction coefficient of titanium alloy surface, which has the process steps of (1) the chemical degreasing, (2) the micro-arc oxidation that the basic parameters are trisodium phosphate of 1-30g / L, tungsten sodium of 0-10g / L, sodium silicate of 0-50g / L, tartaric acid of 0-20g / L, glycerol of 0-10g / L and sodium hydroxide of 5-10g / L, (3) the post-processing that the hot oil immersion treatment is proceeded for the film after the oxidation. Through the invention, the high-performance ceramic membrane with strong cementing property, high hardness and low coefficient friction can be obtained on the titanium surface. Through the testing of a high-temperature friction and wear testing machine of MM-U5G screen material end surface, the friction coefficient of the titanium micro-arc oxidation film is 0.1 to 0.5. During the observation of the oxidation film after the experiment, the shedding and wear phenomenon is not found.

The invention discloses a method for preparing a lanthanum phosphate or rare earth doped lanthanum phosphate film through electrodeposition, which comprises the following steps of: (1) cleaning ITO (Indium Tin Oxide) conducting glass 2-3 times with acetone, cleaning the ITO conducting glass with deionized water for 10-30 min in an ultrasonic cleaner, activating the ITO conducting glass in a 10 vol% saltpeter solution for 10-30 s, and cleaning with deionized water for later use; (2) adding a sodium phosphate solution into a 0.005-0.5 mol/L complex solution of ethylene diamine tetraacetic acid and lanthanide ions, and regulating the pH value to 4-6 to obtain an electrolyte for later use; and (3) placing the ITO conducting glass used as a working electrode, a platinum electrode used as a counter electrode and a calomel electrode used as a reference electrode in the electrolyte for electrodeposition to obtain the lanthanum phosphate film, wherein the positive deposition potential relative to the calomel electrode is 1.2-1.8 V. The invention has the advantages of simple equipment, low cost, normal pressure and low temperature. The method not only is applicable to scientific research, but also is hopeful for realizing large-scale industrial production.

The invention relates to a method for purifying titanium white wastewater, which is characterized by comprising the following steps of: adding excess lime milk or carbide slag slurry, performing a neutralization reaction with stirring to obtain precipitate-containing wastewater, wherein the pH value of the wastewater is between 9 and 12; performing solid-liquid separation on the obtained precipitate-containing wastewater, adding sodium carbonate into filter liquor to perform a reaction for 30 to 50 minutes, and adding trisodium phosphate to perform a reaction, and decalcifying; adding sulfuric acid into the decalcified wastewater for reverse neutralization, and regulating the pH value to be between 6 and 9 to obtain purified water. The method has the characteristics of simple flow, no specific requirement on equipment, low consumption of raw materials and the like; and by the method, the treated wastewater can reach the technical standard of national recycling water, so that the wastewater is recycled to production departments, and for a large amount of the generated titanium white wastewater, the method solves the problem of high treatment cost, and has the technical and economic feasibility of industrial application.

The invention provides a preparation method for linaclotide. The method includes: utilizing a standard Fmoc technology to connect a side chain protected amino acid with Wang resin, adding a condensing agent HBTU and alkali DIPEA, carrying out condensation reaction in a DMF solvent, employing a DMF solution containing 20% hexahydropiperidine to perform de-Fmoc protection, then conducting cutting from the solid phase resin, adding elemental iodine into a sodium phosphate buffer solution to carry out Cysteine oxidation, thus obtaining linaclotide. The preparation method for linaclotide provided by the invention is the technology for highyield synthesis of linaclotide, simplifies the cyclization process and enhances the cyclization yield, and the final product yield reaches 30%-60%. The preparation method has the advantages of simplicity, mild reaction conditions, high yield, and high product purity, is a feasible preparation method for industrialization of linaclotide, and provides good prospects for industrial production.

The invention provides a flame-retardant straw shaving board. The flame-retardant straw shaving board comprises, by weight, 7-9 parts of straw particles, 0.5-1.5 parts of flame retardants and 0.3-1.0 part of binders, wherein the flame retardants comprise magnesium oxide, magnesium chloride, trisodium phosphate, polyvinyl alcohol and ammonium polyphosphate. The flame-retardant straw shaving board is good in flame retardance, water resistance and insect resistance and low in formaldehyde content and has good physical and mechanical performances; a wooden shaving board can be replaced by the flame-retardant straw shaving board which can be applied to the field of decoration of various buildings and manufacturing of furniture. The invention further provides a manufacturing method of the flame-retardant straw shaving board. The hot press molding technology is mainly adopted for modifying and shaping the raw materials, so that not only is the wood resource saved, but also the whole production process is environmentally friendly and free of pollution.

The invention provides a metal washing agent which is formed by the reactions of a surface promoting agent, oleic acid, sodium hydroxide, sodium nitrite, sodium molybdate, benztotriazole, trisodium phosphate, trolamine, polyether61 and distilled water. The weight portions of each component are: 10 to 15 portions of the surface promoting agent, 4 to 8 portions of the oleic acid, 0.5 to 1.1 portions of the sodium hydroxide, 0.1 to 0.5 portions of the sodium nitrite, 0.3 to 0.84 portions of the sodium molybdate, 0.08 to 0.15 portions of the benztotriazole, 1.5 to 2.5 portions of the trisodium phosphate, 1.5 to 3.0 portions of the trolamine, 0.5 to 0.9 portions of the polyether61 and the rest portions are the distilled water. The metal washing agent provided by the invention has good washing effect and can maintain the metal materials after being washed without rust in 15 to 20 days.

The invention discloses an in-situ combined remediation method for petroleum contaminated site soil and relates to a soil remediation method. According to the in-situ combined remediation method, a chemical oxidation reagent is prepared from the following components including sodium persulfate as an oxidant, sodium hydroxide or calcium peroxide as an activator and sodium thiosulfate as a sustained-release agent; a microorganism simulation nutrient is prepared from the following components including sodium phosphate and ammonium sulfate; the molar ratio of the sodium persulfate and the activator is 5:1; the quantity of the sustained-release agent is 1-5 percent of the quantity of the oxidant and the activator; the molar ratio of C, N and P as the nutrients for promoting growth of microorganisms is 120: 10: 1; a phosphorus source is the sodium phosphate (Na3PO4.12H2O); a nitrogen source is the ammonium sulfate ((NH4)2SO4); and a carbon source is petroleum pollutants and is estimated according to the actual pollutant degree. The in-situ combined remediation method for the petroleum contaminated site soil can reach the purpose of completely remediating the long-term petroleum contaminated site soil, and thus solving the problems of difficulty in remediating aged contaminated soil microorganisms, higher chemical oxidation cost and larger environmental influence and lowering the remediation cost.

An egg substitute composition comprising wheat protein, emulsifiers, at least one fat or oil, and polysaccharides, and optionally supplementary proteins and food gums. The composition preferably includes 1-90% wheat protein, 1-30% fat or oil and 5-30% polysaccharides. Optionally 0-50% supplementary proteins, 0-30% emulsifiers, 0-10% food gums, 0-3% reducing-oxidant agents and 0-5% calcium and ferrous salts. The composition also includes 0.01-1% sodium phosphate and disoldium phosphate in liquid form egg replacer.

The invention provides a light heat-insulating honeycomb ceramic and a preparation method thereof. The light heat-insulating honeycomb ceramic comprises a heat insulating layer and a decoration layer combined with the heat insulating layer into a whole; and the heat insulating layer is prepared by sintering mineral powder of tuff, mineral powder of pearlite, expanded and vitrified microsphere powder, glass powder, a pore-forming agent and sodium phosphate. The light heat-insulating honeycomb ceramic has high strength and low water absorption, ensures that the decoration layer is firmly connected with the heat insulating layer, has a heat insulating function and also has an exterior wall decorating effect; and the preparation method has the advantages of simple process and low production cost.

The invention relates to a wastewater treating agent, a preparation method and a wastewater treatment method. According to the oil paint wastewater treating agent, the formula comprising a corrosion inhibitor, a scale inhibitor, a sterilizing agent and a flocculating agent is adjusted, and an auxiliary chemical is added, so that the wastewater treatment process is easy to control, the treatment period is short, and the treatment effect is remarkably improved; the wastewater treating agent comprises the corrosion inhibitor, the scale inhibitor, the sterilizing agent, the flocculating agent and the auxiliary chemical; the corrosion inhibitor comprises sodium polyphosphate, calcium gluconate, alkyl epoxy sodium carboxylate, potassium iodide and gelatin; the scale inhibitor comprises trisodium phosphate, tannin, sodium humate, sulfoacid copolymers and TH-0100 type reverse osmosis scale inhibitors; the sterilizing agent comprises potassium permanganate, didodecyl dimethyl dibenzyltinoammonium chloride and nano-zinc oxide; the flocculating agent comprises lignin, chitosan, quaternary amine type cationic starch, polyaluminum chloride , polymeric ferric sulfate and diatomite earth; the auxiliary chemical comprises polyaspartic acid and alky epoxy carboxylate. An experiment result proves that the wastewater treating agent has an excellent effect.