30 results about "Triammonium phosphate" patented technology

The invention provides a preparation recipe and a preparation method of a low-temperature anti-sulfur SCR (Selective Catalytic Reduction) catalyst for removing nitric oxides, belonging to the field of catalytic chemistry. A one-step dipping method is adopted to load V2O5, WO3, P2O5 and anion Br on the surface of anatase TiO2. The catalyst comprises the constituents with the following contents: 60 to 95 wt% of the TiO2, 0 to 10 wt% of the V2O5, 0 to 20 wt% of the WO3, 0 to 3 wt% of the P2O5 and 0.35 to 0.5 wt% of the Br. The precursors of the chemical constituents of the catalyst are respectively ammonium metavanadate as the precursor of the V2O5, ammonium tungstate as the precursor of the WO3, triammonium phosphate as the precursor of the P2O5 and ammonium bromide as the precursor of the Br. According to the preparation recipe, the trace non-metallic elements are loaded, sulfate generation in sulphur-containing flue gas by the catalyst is slowed down, the acid site of the catalyst is added, denitration efficiency and sulfur resistance of the catalyst are improved, and the service life of the catalyst under the low-temperature high-sulphur flue gas condition is prolonged; meanwhile, the preparation method of the catalyst is also improved, the one-step dipping method is adopted, a semifinished product drying process is reduced, the preparation time of the catalyst is shortened, and the industrialized production of the catalyst is facilitated.

The invention provides a flame-retardant polyethylene cable material capable of preventing mould. The flame-retardant polyethylene cable material is prepared with the following components and raw materials by weight: 50-60 parts of high-density polyethylene, 30-45 parts of linear low-density polyethylene, 10-15 parts of polyester resin, 8-10 parts of organic silicon resin, 2-3 parts of simethicone, 1-2 parts of zinc oxide, 5-10 parts of wollastonite powder, 1-2 parts of barium sulfate, 5-6 parts of dolomite, 6-8 parts of attapulgite, 4-6 parts of celestite, 10-12 parts of zinc hydroxide, 10-15 parts of triammonium phosphate, 10-12 parts of tricresyl phosphate (TCP), 6-8 parts of poly(1,2-propylene glycol adipate), 1-2 parts of sophora flavescens alcohol extract, 0.5-0.6 parts of zanthoxylum oil, 1-2 parts of OBPA (10,10'-oxybisphenoxarsine) mould inhibitor, 1-1.5 parts of PVC (polyvinyl chloride) processing agent ACR-401 (acrylate plastic modifier), and 10-15 parts of modified filler. The cable wire has good antibacterial property, and the characteristics of weather resistance, low smoke, ageing resistance, flame retardation and so on.

The present invention relates to a high-temperature organic acid corrosion inhibitor for inhibiting refinery vacuum tower high-temperature naphthenic acid corrosion environment with 200-400deg.C. Its composition includes (by wt%) 10-60% of corrosion inhibitor intermediate obtained by using boric acid and organic amine according to the mole ratio of 1:0.5-3 through a certain reaction process, 20-80% of monohydric alcohol or dihydric alcohol solvent formed from one kind and two kinds of methyl alcohol, ethyl alcohol, n-propyl alcohol, isopropyl alcohol, butyl alcohol, isobutyl alcohol, 1,2-propylene glycol, n-amyl alcohol, n-heptyl alcohol and n-caprylic alcohol or combination of more than two kinds of above-mentioned components and 0.1-20% of corrosion inhibition film-forming component formed from one kind or any two kinds of sulfourea, benzyl chloride, alkylene sulfide, propiolic alcohol, trisodium phosphate, ammonium phosphosulfate, diammonium phosphate, triammonium phosphate and benzotriazole or combination of more than two kind of above-mentioned all the components.

The invention discloses a method for preparing dicalcium phosphate and tricalcium phosphate. The method comprises: preparing diammonium phosphate and triammonium phosphate through phosphoric acid extracted from industrial phosphoric acid or sulfuric acid or a nitric acid decomposition solution obtained by nitric acid decomposition phosphorite and freezing crystallization and separation of calcium nitrate, and then, carrying out a double decomposition reaction on the diammonium phosphate and the triammonium phosphate with calcium nitrate or calcium chloride to prepare the dicalcium phosphate and the tricalcium phosphate. The specific production process comprises: step 1. neutralization and impurity removal; step 2. double decomposition; step 3. filtration and drying. The method provided by the invention can be used for preparing dicalcium phosphate or tricalcium phosphate products and further producing feed grade or food grade dicalcium phosphate or tricalcium phosphate products; and the method is simple in process, little in waste emission, environment-friendly and is applied in traditional phosphorus chemical industry to realize structure adjustment and product upgrade and update so as to generate good economic benefit and environmental protection benefit. The method is suitable for production enterprises of ammonia, nitric acid or ammonium phosphate.

The invention discloses low-temperature flue gas denitration catalyst powder and a preparation method of the low-temperature flue gas denitration catalyst powder. The low-temperature flue gas denitration catalyst powder takes vanadium oxide, molybdenum oxide and tungstic oxide as main active components, takes phosphorus oxide, boron oxide and copper oxide as auxiliary active components and takes titanium dioxide as a carrier. The preparation method comprises the following steps: dissolving ammonium metavanadate, ammonium heptamolybdate and ammonium paratungstate into de-ionized water, and adding copper nitrate, boric acid and triammonium phosphate; heating and adjusting the pH value of the solution to be 2.0 to 3.0; slowly adding nano anatase titanium dioxide into an active component solution and dispersing the mixed active component solution by utilizing ultrasonic waves; drying and calcining to obtain the catalyst. According to the low-temperature flue gas denitration catalyst powder, the activity and the catalytic capability of the low-temperature denitration catalyst are remarkably improved; the low-temperature flue gas denitration catalyst powder has higher mechanical strength and anti-corrosion property, has stronger industrial application value and can be widely applied to NH3 selective catalytic reduction of nitrogen oxide in flue gas.

The invention relates to a preparation method of a lithium manganese phosphate/carbon composite material so as to solve the problem that charge-discharge property is poor when a lithium manganese phosphate material prepared by an existing method has high magnification. The preparation method provided by the invention comprises the following steps: mixing a manganese source compound, doped compound and an ammonium phosphate compound (including ammonium biphosphate, diammonium phosphate and triammonium phosphate) by an ultrafine sand milling method to prepare a precursor with the molecular formula being NH4Mn1-xMxPO4, wherein x is less than or equal to 0.2 and greater than or equal to 0, M is any one or more elements selected from Co, Fe, Mg and Ni, and a dispersant is an organic solvent; then, uniformly mixing the NH4Mn1-xMxPO4 precursor and a lithium compound, transferring the mixture into a hydrothermal kettle, reacting at a certain temperature for an appropriate period of time, and drying to obtain a lithium manganese phosphate material; and finally, preparing the lithium manganese phosphate/carbon composite material by a thermal-treatment in-situ carbon-coating method. According to the invention, the preparation process is simple and cost is low. The prepared lithium manganese phosphate/carbon composite material has good charge-discharge property and cycle performance.

The invention provides a triammonium phosphate composite fertilizer and its making process, wherein the composite fertilizer comprises (by weight portion) urea 30-40 parts, potassium chloride 28-35 parts, phosphoric ammonium 28-35 parts, ammonium chloride 3-5 parts.

A combustible pesticidal product is disclosed which comprises a structural element formed from a cardboard having a thickness of at least 0.75 mm, a density of 450-850 kgm<3 >and consisting of 1 or more plies, the cardboard including: an alkali or alkaline earth metal nitrate or nitrite in an amount of from 0 to 1.83% w/w, or an alkali or alkaline earth carbonate or bicarbonate in an amount of from 0.02 to 7.0% w/w; one or more mineral silicates in an amount of from 0.01 to 8.0% w/w; a phosphate in an amount of from 0.01 to 0.40% w/w and selected from the group consisting of diammonium phosphate, monoammonium phosphate, triammonium phosphate and mixtures thereof; a boron compound in an amount of from 0.001 to 0.92% w/w (as boron) and selected from the group consisting of boric acid, sodium tetraborate hydrous, sodium borate, potassium borate, calcium borate, zinc perborate, boronatrocalcite and mixtures thereof; one or more pesticides; and optionally a perfume and/or a dye, which product on combustion emanates the pesticide into the atmosphere. Typically the combustible product will be a mosquito coil which has been impregnated with one or more insecticides effective against mosquitoes. On combustion of the coil, insecticide is emanated into the atmosphere for a period of at least 4 hours. However, the coils of the invention may be active against mosquitoes for 8 hours or more.

The invention relates to a preparation method of a silicon-based lithium nickel phosphate composite material and aims at solving the problem of poor charge and discharge performance of a lithium nickel phosphate material prepared by an existing method at a high rate. A manganese source compound, a doped compound and an ammonium phosphate compound (comprising monoammonium phosphate, diammonium hydrogen phosphate and triammonium phosphate) are mixed to prepare a precursor of which the molecular formula is SiNi<1-x>M<x>PO<4> in a superfine grinding manner; x is smaller than or equal to 0.2 and greater than or equal to 0; M is selected from one or more of Co, Fe, Mg and Ni; a dispersant is an organic solvent; the SiNi<1-x>M<x>PO<4> precursor and a lithium salt compound are mixed evenly and then transferred into a hydrothermal kettle, and are dried to obtain the lithium nickel phosphate material after reacting at a certain temperature for appropriate time; and finally the silicon-based lithium nickel phosphate composite material is prepared in a thermal treatment in-situ carbon-coating manner. The preparation method has the advantages of being simple in procedure and relatively low in cost; and the prepared silicon-based lithium nickel phosphate composite material has the advantages of relatively good charge and discharge performance and relatively good cycle performance.

The invention relates to an organic-inorganic compound fertilizer for increasing yield of crops. The organic-inorganic compound fertilizer comprises the following components: 27-31 parts of rice straw, 23-26 parts of artemisia selengensis stalk, 25-29 parts of soybean straw, 28-33 parts of kieselguhr, 13-17 parts of mushroom dregs, 11-14 parts of tofu dregs, 17-21 parts of furfural residues, 43-48 parts of urea, 32-36 parts of potassium chloride, 13-16 parts of potassium sulfate, 16-19 parts of triammonium phosphate, 10-13 parts of magnesium sulfate, 8-11 parts of calcium ammonium nitrate, copper sulfate, 5-7 parts of ferrous sulfate, 3-6 parts of manganese sulfate, 2-4 parts of zinc sulfate, 43-50 parts of rice washing water, 2-4 parts of thiophanate methyl, 1-3 parts of trichloroisocyanuric acid, 3-5 parts of fenaminosulf and 17-20 parts of an acrylamide-acrylate copolymerization cross-linking agent. By adopting the organic-inorganic compound fertilizer for increasing yield of crops, the production cost of raw materials is effectively lowered, and the cost can be reduced by 52-57%.

The invention provides a denitration catalyst using rare earth and anion synergistically-modified titanium dioxide as a carrier and preparation of the catalyst, and belongs to the field of catalytic chemistry. The preparation method comprises the steps of performing synergistic modification on a titanium dioxide carrier by adopting a rare earth compound and anions, and supporting P2O5, V2O5 and WO3, wherein a precursor of the V2O5 is ammonium metavanadate, a precursor of the WO3 is ammonium tungstate, and a precursor of the P2O5 is triammonium phosphate. The catalyst provided by the inventionhas excellent medium and low temperature catalytic activity, and a large high-activity range; and under the temperature condition of 160-320 DEG C, the NOx removal rate is maintained at 95% or more, the N2 selectivity is higher than 98%, and the SO2 oxidation rate is lower than 1%.

The invention relates to the field of environmental catalysis and air pollution treatment, in particular to a catalyst for synergistically purifying multiple pollutants and a preparation method thereof. The catalyst comprises the following raw materials: an active component, an auxiliary agent and a composite carrier, wherein the active component is selected from one or more metal compounds of V, Mo, W, Cu, La, Sn and Nb; the auxiliary agent is ammonium fluoride and/or triammonium phosphate; the composite carrier is a mixture of anatase titanium dioxide and gamma-aluminum oxide; and the pH value of the catalyst is 3 to 10. The catalyst disclosed by the invention can be used for synergistically purifying various pollutants, and especially for synergistically controlling NOx, CO, Hg and VOCs; wherein at the temperature of 200-360 DEG C, the NOx conversion rate reaches 90% or above; the Hg oxidation rate is greater than 95% at the temperature of 150-300 DEG C; the oxidation rate of C3H6 is greater than 50% at 360-420 DEG C; and the CO oxidation rate is greater than 10% at the temperature of 340-420 DEG C.

The invention discloses a method for preparing a lithium iron phosphate material suitable for a power battery. In the method, lithium iron phosphate is taken as a substrate and the lithium iron phosphate material is prepared by mixing and sintering by a hydrothermal method, wherein the lithium iron phosphate consists of lithium salt, iron salt and phosphate; the mole ratio of lithium to iron to phosphorus is 1:1:1; the lithium salt is lithium carbonate, lithium hydroxide or lithium fluoride; the iron salt is iron acetate, ferrous chloride or iron hydroxide; and the phosphate is lithium dihydrogen phosphate, ammonium dihydrogen phosphate or triammonium phosphate. The lithium iron phosphate prepared by the method of the invention has high purity and specific capacity. Moreover, a synthesizing process of the invention has the advantages of simpleness, practicability, safety, reliability, low production cost, high yield and environmental friendliness.

The present invention is in the field of antiperspirant compositions, in particular, compositions comprising antiperspirant actives. Disclosed is an aqueous antiperspirant composition having pH 2 to 5, comprising a phase wherein said phase comprises: (i) a water-soluble phosphate salt; and (ii) a water-soluble non-phosphate salt; wherein said water-soluble non-phosphate salt is the salt of a carboxylic acid, amino acid or a sulfonic acid; wherein said water-soluble non-phosphate salt is selected from calcium gluconate, calcium formate, calcium lactate, calcium propanoate, calcium acetate, calcium dobesilate, magnesium citrate, magnesium gluconate, magnesium acetate, magnesium lactate, magnesium malate, zinc citrate, zinc gluconate, copper (II) acetate, copper (II) gluconate, iron (III) citrate, calcium glycinate, zinc glycinate, copper glycinate, zirconium chloride glycinate, lanthanum acetate and silver acetate; wherein said water-soluble phosphate salt is selected from monosodium phosphate, disodium phosphate, trisodium phosphate, monopotassium phosphate, dipotassium phosphate, dipotassium phosphate, monoammonium phosphate, diammonium phosphate, triammonium phosphate, lithium dihydrogen phosphate, dilithium hydrogen phosphate and lithium phosphate; wherein said composition is not a dentifrice; wherein the solubility of said salt in water is assessed at 25° C. and atmospheric pressure.

The present invention discloses a triammonium phosphate compound fertilizer and a manufacture method thereof. An ammoniation synthetic technology of over-ammoniation of raw materials of monoammonium phosphate and diammonium phosphate and with a degree of neutralization reaching 1.3-1.5 is used to prepare triammonium phosphate mixed material slurry in line with the requirements of the technology, then a triammonium phosphate stabilizer is added, the materials are sent into a roller granulator, the materials are mixed evenly with the raw materials of potassium chloride (potassium sulfate), urea, etc. sent by accessory material processes, the mixture is granulated, then the granulated mixture is subjected to a dryer, a sieving machine, a cooler, etc. and the treated mixture is subjected to a coating treatment to obtain the triammonium phosphate high-efficient compound fertilizer. The triammonium phosphate compound fertilizer consists of the following compositions in weight ratios: 31-45 parts of urea, 25-30 parts of potassium chloride, 28-35 parts of ammonium phosphate and 3-5 parts of ammonium chloride. The advantages are as follows: the urea, potassium chloride, triammonium phosphate, diammonium phosphate, monoammonium phosphate, potassium sulfate, etc. in the microscopic molecular level are used to form the balanced and stable nutrient units. The method can save the former working procedures of phosphoric acid neutralization, ammoniation, etc. and save construction investments.

The invention belongs to the technical field of biological culture of algae, and discloses a technology for increasing the efficiency of synthesizing fucosterol from sargassum thunbergii. The technology comprises steps as follows: the sargassum thunbergii is inoculated to a sargassum thunbergii culture solution for culture, and algae are collected; and the sargassum thunbergii culture solution isprepared by extra addition of sodium metasilicate nonahydrate and triammonium phosphate on the basis of f/2 culture medium. Nutrient substances and illumination conditions of a cultivating environmentare regulated and controlled purposefully in the cultivating process of sargassum thunbergii seedlings, and by means of appropriate nutritive salt concentration and proportion, higher fucosterol synthesis rate can be realized.

A magnesium alloy material contains a complex made from a phosphate-containing magnesium, such as dittmarite and the like, and magnesium hydroxide, the complex being formed by a steam curing of the magnesium alloy material conducted using (i) at least one compound chosen among diammonium hydrogen phosphate, ammonium dihydrogen phosphate, and triammonium phosphate, and (ii) water. In this way, it is possible to provide a magnesium alloy material having excellent corrosion resistance, shock resistance and the like, and to provide a method for treatment of surface of magnesium alloy material allowing the manufacture of a magnesium alloy material having excellent corrosion resistance, shock resistance and the like.

The present invention is in the field of antiperspirant compositions, in particular, compositions comprising antiperspirant actives. Disclosed is an aqueous antiperspirant composition having pH 2 to 5, comprising: (i) a water-soluble phosphate salt; (ii) a water-soluble non-phosphate salt; and, (iii) a retarding agent; wherein said water-soluble phosphate salt is selected from monosodium phosphate, disodium phosphate, trisodium phosphate, monopotassium phosphate, dipotassium phosphate, tripotassium phosphate, monoammonium phosphate, diammonium phosphate, triammonium phosphate, lithium dihydrogen phosphate, dilithium hydrogen phosphate and lithium phosphate; wherein said water-soluble non-phosphate salt is selected from calcium chloride, calcium gluconate, calcium nitrate, calcium bromide, calcium formate, calcium lactate, calcium propanoate, calcium acetate, calcium dobesilate, magnesium chloride, magnesium nitrate, magnesium sulphate, magnesium citrate, magnesium gluconate, magnesium acetate, magnesium lactate, magnesium malate, ferric chloride, ferric nitrate, ferric sulphate, zinc chloride, zinc nitrate, zinc citrate, zinc sulphate, zinc gluconate, copper chloride, copper sulphate, copper nitrate, copper(II) acetate, copper(II) gluconate, iron(III) citrate, zirconium nitrate, zirconium tetrachloride, zirconium oxychloride, strontium chloride, strontium nitrate, barium chloride, barium nitrate, lanthanum chloride, lanthanum acetate, Tin(II) chloride, Tin (IV) chloride, and silver nitrate; wherein said retarding agent is a compound which comprises at least one functional group selected from —COOH, —COO⁻, —SO₃H or —SO₃⁻; wherein said composition is not a dentifrice; wherein said water-soluble phosphate salt, water-soluble non-phosphate salt and retarding agent are present in one phase; wherein the solubility of said salt in water is assessed at 25° C. and atmospheric pressure.

A high voltage battery module includes a plurality of battery cells, a plurality of cooling fins dispersed between the battery cells, and a frame for holding the plurality of battery cells and the plurality of fins. An intumescent layer is proximate to at least one battery module component selected from the battery cells, the plurality of cooling fins, and the frame. The intumescent layer includes sodium silicate having formula Na2SiO3, pentaerythitol, a resin that is cross-linked by melamine, boron nitride particles, and triammonium phosphate.