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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.
DICalcium phosphate DIhydrate | Ca2H4O6P+ | CID structure, chemical names, physical and chemical properties, classification, patents, literature ...
Phosphate rock Revolvy. Phosphorite, phosphate rock or rock phosphate is a nondetrital sedimentary rock which contains high amounts of phosphate minerals. The phosphate content of phosphorite (or grade of phosphate rock) varies strongly, from 4% [1] to .
patent of dicalcium phosphate from rock phosphate. Patent US Processes for the manufacture of feedgrade Oct 26 1976 The process comprises the reaction of an excess of phosphate rock with feed grade dicalcium phosphate is precipitated with calcium hydroxide calcium Try the new Google Patents with machineclassified Google Scholar . Learn More
Patent US Process of making dicalcium phosphate ... ment of the phosphate rock with the hydrochloric acid may be represented as follows: ... In a method of making dicalcium phosphate, the steps. which consist...
USA US13957A USA USA US A US A US A US 13957 A US13957 A US 13957A US A US A US A US A US A US A Authority US United States Prior art keywords crystals phosphoric acid phosphate acid monocalcium phosphate Prior art date Legal status (The legal status is an assumption .
Dicalcium Phosphate Feed Grade Manufacturers, Exporter . Dicalcium Phosphate The prime raw material for the production DCP is Rock Phosphate which will be available foremost near by the proposed establishment DCP is important source of calcium and phosphate for feeding live stock as such or through mineral mixture DCP grade are depend on process quality it is only one source of .
USA US236886A USA USA US A US A US A US 236886 A US236886 A US 236886A US A US A US A US A US A US A Authority US United States Prior art keywords phosphate solution dicalcium phosphate hydrolysis containing Prior art date Legal status (The legal status .
The invention relates to methods of obtaining lokalitetot, widely used in agriculture. A method of obtaining orthopedically onedeputizing, including evaporation of phosphoric acid to the content of P 2 About 5 6567,5%, followed by neutralization of its calcium carbonate. The initial molar ratio of Cao/R 2 About 5 equal (0,951,0):1. The resulting mass is crushed to particle size of not more ...
patent of dicalcium phosphate from rock phosphate For each project scheme design, we will use professional knowledge to help you, carefully listen to your demands, respect your opinions, and use our professional teams and exert our greatest efforts to create a more suitable project scheme for you and realize the project investment value and ...
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Processes for the manufacture of feedgrade dicalcium . Oct 26 1976· The combined process of DCP manufacture and phosphoric acid production minimizes any losses of P 2 O 5 normally encountered in the attack on rock phosphate by a mineral acid in the DCP manufacture since according to the present invention the reaction system for the manufacture of DCP implies an excess of
Feb 06, 2001· It also relates to methods for the manufacture of monocalcium phosphate fertilizer, edible monocalcium phosphate and edible dicalcium phosphates. BACKGROUND OF THE INVENTION. Tricalcium orthophosphate, Ca 3 (PO 4) 2, commonly known as calcium phosphate, occurs in nature as rock phosphate ore, for example and is used as such as a source of ...
A PROCESS FOR THE MANUFACTURE OF FEED GRADE DICALCIUM PHOSPHATE ... In the US patent no. a process wherein calcium phosphate is reacted with a mineral acid ... Dicalcium phosphate on a dry basis P content of DCP ...
Apr 28, 1992· A process is disclosed for the production of granulated dicalcium phosphate dihydrate from finegrained, 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 .
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Dicalcium phosphate shows the most commonly used production method is known as the "wet acid" route in which rock phosphate is reacted with sulphuric acid to produce phosphoric acid. After concentration and purification to reduce the level of undesirable elements, this phosphoric acid is
This is particularly true for dicalcium phosphate (DCP), a food additive produced from either sulphuric acid or hydrochloric acid digestion of raw rock material. This study determined the natural occurring radionuclide concentrations of 12 DCP samples and 4 tricalcium phosphate (TCP) samples used for animal and human consumption, respectively.
Processes for the manufacture of feedgrade dicalcium phosphate .. 26 Oct 1976 . The process comprises the reaction of an excess of phosphate rock with aqueo. . Download PDF PDF help. US Patent ., Process for the manufacture of dicalcium phosphate, May, 1962, Strauchen et al. »More detailed
Dicalcium phosphate known, as DCP is a commonly used animal feed supplement and it is desirable to obtain dicalcium phosphate free of contaminants, particularly fluoride containing compounds. Feed grade dicalcium phosphate has a chemical formula C PO4 2H2O wherein phosphorus expressed as P is 18% and calcium expressed as Ca is at least 23%.
Justia Patents US Patent Application for CONTROLLED PRODUCTION OF SPHERICAL CALCIUM PHOSPHATE, MAGNESIUM PHOSPHATE, AND STRONTIUM PHOSPHATE PARTICLES FOR DENTAL AND ORTHOPEDIC APPLICATIONS USING DUAL ASYMMETRIC CENTRIFUGATION Patent Application (Application #)
process for making dicalcium phosphate from rock phosphate. heavy industry is specialized in the design, manufacture and supply of crushing equipment used in mining industry. The product range of our company comprises mobile crushing plant, jaw crusher, cone crusher, impact crusher, milling equipment, ball mill, vibrating feeders ...
Oct 26, 1976· 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 ...
Mar 04, 2018· Summary – Dicalcium Phosphate vs Monocalcium Phosphate Dicalcium phosphate and Monocalcium Phosphate are inorganic compounds that are composed of anions derived from phosphoric acid. The difference between Dicalcium phosphate and monocalcium phosphate is that, Dicalcium phosphate has a HPO 4 2anion per molecule whereas monocalcium phosphate .
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