manufacture of purified diammonium phosphate patents

  • Diammonium phosphate synthesis method

    FIELD chemistry. SUBSTANCE invention relates to a method for synthesis of diammonium phosphate which has antiseptic properties. The method involves mixing phosphoric acid and spent sulphuric acid from petrochemical production in amount of 25-30 kg per ton of phosphoric acid and industrial sulphuric acid until attaining 6.5-7.0 SO 3 content in the mixture step by step neutralisation of

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  • Industrial applicationsothers

    Monoammonium phosphate (MAP) and diammonium phosphate (DAP) are often used as flame retardants to fireproof a variety of materials (particle boards matches textiles etc.) and in the manufacture of fire extinguisher powder. DAP and ammonia polyphosphates are found in products used to fight forest fires.

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  • Industrial applicationsothers

    Monoammonium phosphate (MAP) and diammonium phosphate (DAP) are often used as flame retardants to fireproof a variety of materials (particle boards matches textiles etc.) and in the manufacture of fire extinguisher powder. DAP and ammonia polyphosphates are found in products used to fight forest fires.

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  • Fertilizers Ammonium PhosphateChemical production and

    The two commercial forms of orthophosphates are monoammonium phosphate (MAP) and diammonium phosphate (DAP). Polyphosphate fertilizers contain a variety of polymeric forms mixed with some orthophosphate. Present production capacities for manufacturing ammonium phosphate fertilizers are given and future capacities are projected.

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  • USB1Google Patents

    The invention relates to starch phosphates exhibiting improved properties with regard to application techniques to a method for the production thereof and to their use. Based on the disadvantages of the known prior art the aim of the invention is to produce starch phosphates which have a high degree of substitution which are resistant to hydrolysis and which can be produced using

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  • DIAMMONIUM PHOSPHATE TECHNICAL GRADE

    DIAMMONIUM PHOSPHATE TECHNICAL GRADE DESCRIPTION Diammonium Phosphate is an anhydrous RE-TEST DATE 12 months after the date of manufacture CERTIFICATES Includes NAFTA and others LABEL DECLARATION Diammonium Phosphate which infringe valid patents or as extending license under valid patents. Innophos Inc. P.O. Box 8000 Cranbury NJ

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  • COLORED DIAMMONIUM PHOSPHATE MANUFACTURE PROCESSPatent

    FIELD mineral fertilizers. SUBSTANCE invention relates to manufacturing phosphorus-containing mineral fertilizer in particular diammonium phosphate characterized by stable dark coloration and having high commercial success.Process comprises mixing phosphoric acid with sulfuric acid stepwise neutralization of ammonia with acid mixture to attain NH3/H3PO4 molar ratio 1.4 in presence of

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  • DIAMMONIUM PHOSPHATE TECHNICAL GRADE

    DIAMMONIUM PHOSPHATE TECHNICAL GRADE DESCRIPTION Diammonium Phosphate is an anhydrous RE-TEST DATE 12 months after the date of manufacture CERTIFICATES Includes NAFTA and others LABEL DECLARATION Diammonium Phosphate which infringe valid patents or as extending license under valid patents. Innophos Inc. P.O. Box 8000 Cranbury NJ

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  • DIAMMONIUM PHOSPHATE MANUFACTURE PROCESSPatent

    FIELD industrial inorganic synthesis BSTANCE manufacture of diammonium phosphate useful as nitrogen-phosphorus fertilizer for various land types. Process comprises preliminary neutralization of non-evaporated extraction phosphoric acid with ammonia to produce partially ammonized phosphoric acid with molar ratio NH3/H3PO4 = 0.20.6 which is then evaporated and neutralized first to molar

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  • China Diammonium Phosphate Food Grade Manufacturers

    Diammonium phosphate is totally soluble in water and crystallizes form it and practically insoluble in ethanol. 2/ Production method Neutralization process with the raw materials of phosphoric acid (hot process or purified process) and liquid ammonium.

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  • Phosphat Diammonium Suppliers Manufacturer Distributor

    Alibaba offers 477 Phosphat Diammonium Suppliers and Phosphat Diammonium Manufacturers Distributors Factories Companies. There are 128 OEM 97 ODM 5 Self Patent. Find high quality Phosphat Diammonium Suppliers on Alibaba.

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  • Mono ammonium PhosphateProducts Msds Patents

    lower ammonia content and may be less injurious to germinating seeds than diammonium phosphate. The general agronomic effects of diammonium and monoammonium phosphates are equal for most soils. Ammonium dihydrogen phosphate (ADP) or monoammonium phosphate NH4H2PO4 is formed when a solution of phosphoric acid is added to ammonia until the

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  • Method of purification of solution of ammonium

    FIELD by-product-coking industry trapping of ammonia from coke oven gas by a circular phosphate method. SUBSTANCE the invention is pertaining to the field of a by-product coke industry in particular to trapping of ammonia from coke oven gas by a circular phosphate method namely to purification of the ammonium orthophosphates solution from the tarry matters.

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  • Neutralization Patents and Patent Applications (Class 71

    Abstract A process is disclosed for the manufacture of granular diammonium phosphate (DAP) by reacting anhydrous ammonia with phosphoric acid in a reactor to form reaction product consisting of a partially reacted slurry of monoammonium phosphate and diammonium phosphate. The slurry is pumped to a rotary granulator-reactor where it is further

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  • Best Diammonium Phosphate Manufacturers Suppliers Exporters

    There are total 266 trusted diammonium phosphate companies. These include 80Manufacturers 53Exporters 27Wholesalers 67Suppliers 16Retailers 8Buying Houses 11Traders 3Services 3Others There are 301 diammonium phosphate importers and buyers on ExportHub.

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  • USAMethod of manufacture of Google Patents

    USA USA USA USA US A US A US A US A US A US A US A US A US A US A US A US A Authority US United States Prior art keywords ammonium phosphate di mono phosphoric acid acid Prior art date Legal status (The legal status is

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  • Ammonium polyphosphateChemchartChemical Safety

    Conditions influencing the precipitation of magnesium ammonium phosphate. (Water Research 2001) Effect of biochar amendment on sorption and leaching of nitrate ammonium and phosphate in a sandy soil. (Chemosphere 2012) Use of diammonium phosphate to reduce heavy metal solubility and transport in smelter-contaminated soil.

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  • Production method of low-fluoride granular diammonium

    The invention discloses a production method of a low-fluoride granular diammonium phosphate product. The method comprises the following steps (1) acid preparation taking pretreated phosphoric acid which is produced in the process of purifying wet-process phosphoric acid and then proportionally mixing the pretreated phosphoric acid with the extracted phosphoric acid to ensure the mass

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  • China Diammonium Hydrogen Phosphate Manufacturers

    1/ Character Diammonium phosphate is totally soluble in water and crystallizes form it and practically insoluble in ethanol. 2/ Production method neutralization process with the raw materials of phosphoric acid (hot process or purified process) and liquid ammonium. 3/ Application Flame-retardants or flame-proofing of wood as the builing materials Ingredient in flame-retardants or flame

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  • USAManufacture of fertilizer Google Patents

    USA US552672A USA USA US A US A US A US 552672 A US552672 A US 552672A US A US A US A US A US A US A Authority US United States Prior art keywords ammonia acid phosphoric acid solution process Prior art date Legal status (The legal status is an assumption and is

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  • Mono Ammonium Phosphate Food Grade Suppliers Manufacturer

    Alibaba offers 1 940 Mono Ammonium Phosphate Food Grade Suppliers and Mono Ammonium Phosphate Food Grade Manufacturers Distributors Factories Companies. There are 402 OEM 258 ODM 8 Self Patent. Find high quality Mono Ammonium Phosphate Food Grade Suppliers on Alibaba.

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  • Industrial Chemicals Inc.

    There are many other Industrial Chemical Products available for ALL industries. Please contact Industrial Chemicals Customer Service Department for more information

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  • MineralsChemical Safety Models Suppliers Regulation

    ammonium phosphate · diammonium phosphate · monoammonium phosphate Ammonium dihydrogen phosphate (ADP) also and better known as monoammonium phosphate (MAP) in order not to confuse it with adenosine diphosphate (ADP) with formula NH4H2PO4 is formed when a solution of phosphoric acid is added to ammonia until the solution is distinctly acidic.

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  • russian-federation nitrogen Suppliers Manufacturers

    AGRO ALLIED AGENCY . This supplier has not provided a Company Introduction yet.. Address 71 Volgogradsky Prospect Product/Service Urea 46 Nitrogen H-S Gasoil Diesel D2 Mazutm100 NPK Fertilizers Caprolactam H-S Gasoil Diesel Mazut M100 Urea 46 Nitrogen Urea 46 Nitrogen H-S Gasoil Diesel D2 Mazutm100 NPK Fertilizers Caprolactam H-S Gasoil Diesel Mazut M100 Urea

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  • russian-federation nitrogen Suppliers Manufacturers

    AGRO ALLIED AGENCY . This supplier has not provided a Company Introduction yet.. Address 71 Volgogradsky Prospect Product/Service Urea 46 Nitrogen H-S Gasoil Diesel D2 Mazutm100 NPK Fertilizers Caprolactam H-S Gasoil Diesel Mazut M100 Urea 46 Nitrogen Urea 46 Nitrogen H-S Gasoil Diesel D2 Mazutm100 NPK Fertilizers Caprolactam H-S Gasoil Diesel Mazut M100 Urea

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  • USAProcess for producing purified monoammonium

    A process for producing purified monoammonium phosphate (abbreviated to MAP) directly from wet process phosphoric acid with a high yield is provided which process comprises reacting wet process phosphoric acid with NH 3 at 50°˜80° C. while keeping the molar ratio of NH 3 /H 3 PO 4 at 0.9˜1.35 separating the resulting slurry containing MAP crystals and an insoluble sludge into a slurry

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  • Method of production of purified phosphoric acid

    Patent SU # CL SW 25/46 1984 secure method of purification of phosphoric acid (47 5 R 2 O 5) sulfuric acid obtained by the decomposition of Moroccan phosphate including acid treatment to remove sulfate ions compounds of barium for example barium carbonate when the flow rate of 3.85 of the content of P 2 O 5 in acid and the

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  • Ammonium polyphosphateChemchartChemical Safety

    Conditions influencing the precipitation of magnesium ammonium phosphate. (Water Research 2001) Effect of biochar amendment on sorption and leaching of nitrate ammonium and phosphate in a sandy soil. (Chemosphere 2012) Use of diammonium phosphate to reduce heavy metal solubility and transport in smelter-contaminated soil.

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  • Process for the production of ammonium phosphateSWANN

    In a direct process for producing diammonium phosphate by the reaction of coke-oven gas ammonia with phosphoric acid in which crystals of diammonium phosphate settle out in one part of a saturated solution thereof said solution having a hydrogen ion concentration within the limits of pH=6.8 and pH=7.6 the step of withdrawing a portion of such

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  • DIAMMONIUM PHOSPHATE MANUFACTURE PROCESSPatent

    FIELD industrial inorganic synthesis BSTANCE manufacture of diammonium phosphate useful as nitrogen-phosphorus fertilizer for various land types. Process comprises preliminary neutralization of non-evaporated extraction phosphoric acid with ammonia to produce partially ammonized phosphoric acid with molar ratio NH3/H3PO4 = 0.20.6 which is then evaporated and neutralized first to molar

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  • Phosphat Diammonium Suppliers Manufacturer Distributor

    Alibaba offers 477 Phosphat Diammonium Suppliers and Phosphat Diammonium Manufacturers Distributors Factories Companies. There are 128 OEM 97 ODM 5 Self Patent. Find high quality Phosphat Diammonium Suppliers on Alibaba.

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  • Neutralization Patents and Patent Applications (Class 71

    Abstract A process is disclosed for the manufacture of granular diammonium phosphate (DAP) by reacting anhydrous ammonia with phosphoric acid in a reactor to form reaction product consisting of a partially reacted slurry of monoammonium phosphate and diammonium phosphate. The slurry is pumped to a rotary granulator-reactor where it is further

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  • Manufacture of purified diammonium phosphateTennessee

    Dec 16 1980 · Manufacture of purified diammonium phosphate . United States Patent . Abstract Purified diammonium phosphate is produced by neutralizing relatively pure melamine orthophosphate prepared from wet-process phosphoric acid with ammonia in a hot solution of diammonium phosphate to give a slurry of melamine in concentrated diammonium

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  • Phosphorus Fertilizer Production and Technology

    U.S. phosphate operation late 1800s. The chemical symbol for the element phosphorus is P. The fertilizer industry often uses the more generic term phosphate. In ൦act one of the online dictionary definitions for phosphate is "a phosphatic material used for fertilizers".

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  • Ammonium Phosphat Supplier Suppliers Manufacturer

    Alibaba offers 52 Ammonium Phosphat Supplier Suppliers and Ammonium Phosphat Supplier Manufacturers Distributors Factories Companies. There are 23 OEM 20 ODM 2 Self Patent. Find high quality Ammonium Phosphat Supplier Suppliers on Alibaba.

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  • manufacture of di ammonium phosphate flowsheet « BINQ

    May 30 2013 · Patent USDiammonium phosphate produced with a high 1 therein is shown a simplified flowsheet of the process of the present invention for the production of granular diammonium phosphate.The feed phosphoric »More detailed

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