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Revision Date: April 2013 . Calipharm A® (Dicalcium Phosphate, Anhydrous) (1/2) PRODUCT DATA SHEET IDENTIFICATION CAS Number [7757-93-9] SYNONYM Dibasic Calcium Phosphate Anhydrous Phosphoric acid, calcium salt (1:1)
Jan 02, 1990· However, in the present invention, phosphoric acid is bombarded with calcium. The mixture is continuously agitated while a slurry of the calcium source is added, and forces the reaction to go from monocalcium phosphate to dicalcium phosphate and then to tricalcium phosphate.
A legacy of innovation and service Feed Products has a long history of personal service and superior feed products. Our decades-long relationships with many customers started with Earl Fallin in 1945 when he founded the company with a patented process for producing dicalcium feed phosphate. Raised on a dairy farm and educated with a master's degree.
From sewage sludge ash to calcium phosphate fertilizers. ... Process for the production of dicalcium phosphate Fox . ... PHOSPHATE ORE IN THE A process for the recovery of phosphate rock from an aqueous Phosphate matrix beneficiation patent us beneficiation of phosphate Patent US Method for beneficiation of . Get Price And Support Online
UNITED STATES PATENT OFFICE. WALTER.GLAESEB, 0F BROOKLYN, NEW YORK. PROCESS OF MAKING DICALCIUM PHOSPHATE. No Drawing. To all whom it may concern 7 Be it known that I, WALTER GLAESER, a subject of the GermanEmperor, and a resident,of Brooklyn, county of Kings, and State of New York, have invented a new and useful Improvement in Processes of Making Dicalcium Phosphate.
Patent of dicalcium phosphate from rock phosphate - YouTube. Aug 17, 2016 ... Patent US3928016 manufacturing process of dicalcium phosphate from rock. ... rock is acidulated for making dicalcium phosphate, and in US. ... Cake flour is usually a short patent flour of low ash and protein content. ... In the milling process, flour streams can be ...
Compared with superphosphate manufacture, the production of dicalcium phosphate for fertilizer purposes, by the conventional method of dissolving phosphate rock in hydrochloric acid and precipitating the phosphate with milk-oflime, is uneconomical of reagent materials.
In the production of dicalcium phosphate, it has been necessary to exert particular care in order that tricalcium phosphate be not produced. The tricalcium phosphate is objectionable because of its extreme fineness which makes filtration difficult and also because it is partially unavailable for fertilizer purposes.
Apr 25, 2017· Bone ash was the major source of phosphates until 1840's and Phosphate rock mineral containing phosphorus, phosphates and phosphoric acids was first used in 1850's. A great deal of research was carried to produce dicalcium phosphate by acidulation of phosphate rock and usually when phosphate rock is treated with sulphuric acid, mono-calcium ...
Process for reducing phosphate ore Abstract. A process for reducing phosphate ore includes beneficiating phosphate ore to reduce alumina impurities while allowing fluoride impurities to remain in the beneficiated ore, mixing beneficiated ore with solid carbonaceous material to form a porous bed of agglomerated feed and heating the porous bed in a rotary-type kiln to produce elemental ...
US2728635A US236886A US23688651A US2728635A US 2728635 A US2728635 A US 2728635A US 236886 A US236886 A US 236886A US 23688651 A US23688651 A US 23688651A US 2728635 A US2728635 A US 2728635A Authority US United States Prior art keywords phosphate solution hydrolysis dicalcium phosphate containing Prior art date 1951-07-16 Legal status (The legal status .
Dec 08, 2012· Patent US7101522 – Production of dicalcium phosphate or . 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 . »More detailed
The present invention provides anhydrous dicalcium phosphate particles which satisfies the conflicting requirements of the improvement of handling properties such as high flowability and a small bulk and the improvement of tableting properties at the same time during preparation and a method of producing the same.
Dicalcium Phosphate Anhydrous and Dihydrate and Tricalcium Phosphate manufactured serve many purposes in food applications. The main application for food grade phosphoric acid is in the production of cola beverages.
A method of producing dicalcium phosphate from calcium phosphate includes reacting the calcium phosphate with a mineral acid such as sulphuric acid to produce a calcium salt and phosphoric acid. The calcium salt may then be hydrolyzed to form a calcium alkali which may then be reacted with the phosphoric acid to produce dicalcium phosphate.
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 ...
Dicalcium phosphate is a crystalline feed grade Dicalcium phosphate containing 19.0% Minimum phosphorous and 28.0% Maximum calcium. The selected raw material of non-animal origin and the production process ensures an end product with good phosphorous digestibility and a content of undesirable elements well below that stipulated by EU feed legislation.
Apr 04, 2001· A process is provided for the production of dicalcium phosphate form a phosphate source material in which a solution of phosphoric acid is produced by the action of a suitable mineral acid, generally sulphuric acid, on a phosphate source material. Calcium fluoride is precipitated at a pH of between 3.5 and 4.5 followed by hydrolyzing the solution by diluting it with water to a ratio of ...
Full Text: This invention relates to a process for the manufacture of feed grade dicalcium phosphate. 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.
how to produce dicalcium phosphate from hydrochloric acid. Acid Treatment Patents and Patent Applications (Class 423 Abstract: A method of producing dicalcium phosphate from calcium phosphate includes reacting the calcium phosphate with a mineral acid such as sulphuric acid to produce a calcium salt and phosphoric acid.
Feb 06, 2001· Production of dicalcium phosphate or monocalcium phosphate from calcium phosphate . United States Patent 6183712 . Abstract: A method of producing dicalcium phosphate from calcium phosphate includes reacting the calcium phosphate with a mineral acid such as sulphuric acid to produce a calcium salt and phosphoric acid. The calcium salt may then ...
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.
Justia Patents Patents Assigned to BK Ladenburg Patents Assigned to BK Ladenburg ... Abstract: 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 .mu.m and ...
Jul 26, 2016· process for making dicalcium phosphate from rock phosphate ... The production of dicalcium phosphate (DCP) is part of the phosphate industry, which has been recently included in .
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