us patent for manufacturing process of dicalcium phosphate
Method for producing feed grade dicalcium phosphate
2006 5 26 The process of producing feed grade calcium phosphate features that the calcium phosphate producing process includes the first liquid phase neutralizing reaction between dilute phosphoric acid and calcium containing compound in the reactor to produce calcium dihydrogen phosphate slurry the subsequent adding calcium containing compound for the second liquid phase neutralizing reaction to
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FIELD chemistry SUBSTANCE method of producing dicalcium phosphate feed involves a first stage specifically treatment of calcined phosphogypsum with an alkaline carbonate containing reagent to pH ranging from 9.15 to 10 a second stage specifically mixing chalk pulp obtained at the first stage with purified phosphoric acid to pH ranging from 5.4 to 6 with subsequent filtration and drying
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The process for fertilizer manufacture based on the transformation of sulfur to sulfuric acid reacts it with phosphate rock then rejects it as gypsum contaminated with radium.
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2001 4 4 The invention claimed is 1 A process for the production of dicalcium phosphate from a phosphate source material comprising the steps of a preparing a solution of phosphoric acid by the action of a suitable mineral acid on a phosphate source material b optionally separating the solution from residual solid materials and c treating the solution with suitable alkaline calcium material
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2001 4 4 The invention claimed is 1 A process for the production of dicalcium phosphate from a phosphate source material comprising the steps of a preparing a solution of phosphoric acid by the action of a suitable mineral acid on a phosphate source material b optionally separating the solution from residual solid materials and c treating the solution with suitable alkaline calcium material
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A PROCESS FOR THE MANUFACTURE OF FEED GRADE DICALCIUM PHOSPHATE The first step in this process is in the production of 0352 chenp 2004 abstract grantedpdf
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Product Information DICALCIUM PHOSPHATE
2017 6 28 Dicalcium Phosphate Anhydrous Dibasic Calcium Phosphate Anhydrous CERTIFICATES Includes Kosher NAFTA and others FORMULA CaHPO4 SHELF LIFE 36 Months CAS NUMBER 7757 93 9 LABEL DECLARATION Dicalcium Phosphate Anhydrous FORMULA WEIGHT 136.06 MANUFACTURING LOCATION Chicago Heights IL CAS INDEX NAME Phosphoric Acid Calcium
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This invention relates to the preparation of feed grade dicalcium phosphate from a source containing monocalcium phosphate such as super phosphate concentrated super phosphate and the like The first step consists of leaching water soluble mono calcium phosphate therefrom with water or recycle wash water from one of the subsequent steps.
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US Patent for Process for the production of high purity Oct 16 2008 1.2 Production of Disodium Phosphate DSP Na 2 HPO 4 1000 g of phosphoric acid of the preceding step that contains 22 P 2 O 5 is set in a beaker pH is adjusted to 8.0 by addition of NaOH 50 495 g of NaOH 50 is added in order to reach pH 8.0.
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us patent for manufacturing process of dicalcium phosphate The invention relates to a combined process for the manufacture of feed grade dicalcium phosphate and pure phosphoric acid get price Di calcium phosphate by direct acidulation of
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dicalcium phosphate manufacturing process Process Of Manufacturing Of Dicalcium Phosphate process for making dicalcium phosphate from rock In Rock based Dicalcium Phosphate manufacturing process industry use many type of raw material in which some are proper quality rock phosphate sulphuric acid and some not at proper remark these mainly bones or only by product of many inorganic or
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According to the invention grains larger than 5 mm of the sized or unsized starting phosphate compound of mineral origin are granulated up to a grain size of 1 to 4 mm the granulated phosphate obtained is admixed with monocalcium phosphate and the phosphate crystals are activated by colliding the grains of the mixture at a speed of 70 to 120 m
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USA US05/836 370 USA USA 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 phosphoric acid phosphate organic solvent sub monocalcium phosphate Prior art date 1976 02 06 Legal status The legal status is an assumption and is not a legal
Chat OnlineDicalcium Phosphate dentifrice Grade
Dicalcium Phosphate dentifrice Grade Manufacturing Plant Detailed Project Report Profile Business Plan Industry Trends Market Research Survey Manufacturing Process Machinery Raw Materials Feasibility Study Investment Opportunities Dicalcium phosphate is of
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Dicalcium phosphate process hydrochloric acid flow chart.Dicalcium phosphate manufacturing process ustng hcl.The process comprises the reaction of an excess of phosphate rock with aqueous solutions of a mineral acid selected from hydrochloric acid phosphoric acid and nitric acid characterized by the fact that the free acidity of the.
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MANUFACTURING PROCESS The degreased crushed bones are treated with weak solution of Hydrochloric acid for the demineralization which takes over a period of about seven to ten days The calcium phosphates carbonates other minerals attached with bones dissolve in the acid to form Monocalcium phosphate leaving behind the organic collagen
Chat OnlineUS Patent for Process for the production of high purity
2008 10 16 1.2 Production of Disodium Phosphate DSP Na 2 HPO 4 1000 g of phosphoric acid of the preceding step that contains 22 P 2 O 5 is set in a beaker pH is adjusted to 8.0 by addition of NaOH 50 495 g of NaOH 50 is added in order to reach pH 8.0 The mixture is stirred for 30 minutes at 60 C to allow complete reaction.
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2008 10 16 Abstract The present invention relates to a method of preparing wet process phosphoric acid which comprises dividing raw materials which contain phosphate rock slurry and sulfuric acid into two parts and then feeding these two parts into two reactors separately In the first reactor feeding 70 90 wt of the total amount of the slurry and sulfuric acid in which the ratio of phosphate
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JustiaPatentsPatents and Patent Application Resources Abstract The invention relates to a combined process for the manufacture of feed grade dicalcium phosphate and pure phosphoric acid The process comprises the reaction of an excess of phosphate rock with aqueous solutions of a mineral acid selected from hydrochloric acid phosphoric acid and nitric acid characterized by the fact
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The invention relates to a combined process for the manufacture of feed grade dicalcium phosphate and pure phosphoric acid The process comprises the reaction of an excess of phosphate rock with aqueous solutions of a mineral acid selected from hydrochloric acid phosphoric acid and nitric acid characterized by the fact that the free acidity of the dissolution liquor does not exceed 60 and
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Processes for the manufacture of feed grade dicalcium Oct 26 1976 0183 32 The invention relates to a combined process for the manufacture of feed grade dicalcium phosphate and pure phosphoric acid The process comprises the reaction of an excess of phosphate rock with aqueous solutions of a mineral acid selected from hydrochloric acid phosphoric acid and nitric acid characterized by the fact
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Novel processes are provided for producing anhydrous dicalcium phosphate DCPA and the gamma and beta forms of calcium pyrophosphate from the reaction of phosphoric acid and lime.Dentifrice compositions containing the resultant phosphates are also disclosed.
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There is disclosed a process for preparing fertilizers containing dicalcium phosphate from phosphates of mineral origin by mechanical activation According to the invention grains larger than 5 mm of the sized or unsized starting phosphate compound of mineral origin are granulated up to a grain size of 1 to 4 mm the granulated phosphate obtained is admixed with monocalcium phosphate and the
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A process is disclosed for the production of granulated dicalcium phosphate dihydrate from fine grained powered dicalcium phosphate dihydrate wherein 80 t0 95 of dicalcium phosphate dihydrate with a grain size of less than 120 μm and 20 to 5 of calcium hydroxide with a grain size of less than 120 μm are dry mixed and continuously sprayed and granulated in a fluidized bed with 20 to 50
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2021 10 27 DICALCIUM PHOSPHATE FROM SULPHURIC ACID CAP 6TPDProject ReportManufacturing ProcessCostInvestment Required Report includes feasibility report profitability analysis raw materials break even points formulations and formula and much more.
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A PROCESS FOR THE MANUFACTURE OF FEED GRADE DICALCIUM PHOSPHATE The first step in this process is in the production of 0352 chenp 2004 abstract grantedpdf
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2013 3 7 Primary Information Services 21 Murugappan St SwamyNagar Ext2 Ullagaram Chennai600091 India Phone 91 44 Email informer eth Mobile numbers Fax 91 44
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The invention relates to a combined process for the manufacture of feed grade dicalcium phosphate and pure phosphoric acid The process comprises the reaction of an excess of phosphate rock with aqueous solutions of a mineral acid selected from hydrochloric acid phosphoric acid and nitric acid characterized by the fact that the free acidity of the dissolution liquor does not exceed 60 and
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Thus the invention consists of a process for the manufacture of monopotassium phosphate which comprises the steps of a reacting monopotassium sulfate with a phosphate constituent selected from the group consisting of phosphate rock dicalcium phosphate or mixtures thereof in the presence of phosphoric acid and separating the formed calcium
Chat OnlineCalcium feed phosphate production using the low
2001 9 1 The new wasteless and low energy consuming dicalcium phosphate DCP production method has replaced defluorinated phosphate DFP production which is very dangerous to the natural environment The influence of the process parameters on product quality and especially on the phase composition of produced DCP was analysed Previous article.
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Dried dicalcium phosphate has the following dispersion consists of particles up to 10 µm 13 from 10 to 25 μm 51 from 25 µm to 50 µm 36 more than 50 μm UTS In accordance with the requirements dicalcium phosphate used as a component of toothpastes the remainder of sifting sieve 005 50 mm should not exceed 0.2 wt.
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2021 10 30 Monocalcium Phosphate MCP and Dicalcium Phosphate DCP Project ReportManufacturing ProcessCostInvestment Required Report includes feasibility report profitability analysis raw materials break even points formulations and formula and much more.
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A process is disclosed for the production of granulated dicalcium phosphate dihydrate from fine grained powered dicalcium phosphate dihydrate wherein 80 t0 95 of dicalcium phosphate dihydrate with a grain size of less than 120 μm and 20 to 5 of calcium hydroxide with a grain size of less than 120 μm are dry mixed and continuously sprayed
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dcp dicalcium phosphate production flow chart dicalcium phosphate manufacturing process ustng hcl The hydrochloric acid route for phosphate rock 1987 A flow sheet for the treatment of phosphate rock by HCl and the recovery of the rare earths from the chloride solution can be found inFig Learn More dicalcium phosphate manufacturing
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MANUFACTURING PROCESS The degreased crushed bones are treated with weak solution of Hydrochloric acid for the demineralization which takes over a period of about seven to ten days The calcium phosphates carbonates other minerals attached with bones dissolve in the acid to form Monocalcium phosphate leaving behind the organic collagen
Chat Onlinemanual removal of fluoride from dicalcium phosphate
dcp dicalcium phosphate production flow chart dicalcium phosphate manufacturing process ustng hcl The hydrochloric acid route for phosphate rock 1987 A flow sheet for the treatment of phosphate rock by HCl and the recovery of the rare earths from the chloride solution can be found inFig Learn More dicalcium phosphate manufacturing
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