Production of dicalcium phosphate or monocalcium phosphate ...

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 …


Phosphates – it's all in the chemistry - All About Feed

After a counter current purification process, the dihydrated dicalcium phosphate crystals are precipitated, separated, filtered and dried. The crystalline structure is unique to the HCl production process. The dicalcium phosphates is further used for the production of monocalcium phosphate at the factory in Ham.


US2948590A - Process for the manufacture of dicalcium ...

US2948590A US636468A US63646857A US2948590A US 2948590 A US2948590 A US 2948590A US 636468 A US636468 A US 636468A US 63646857 A US63646857 A US 63646857A US 2948590 A US2948590 A US 2948590A Authority US United States Prior art keywords acid phosphoric acid slurry dicalcium phosphate weight Prior art date …


Production of defluorinated dicalcium phosphate from ...

A new process to produce defluorinated dicalcium phosphate (DCP) using phosphate rock concentrate has been developed. This new process has as main characteristic the low concentration of P 2 O 5 in the liquid phase. The process comprises three main steps: solubilization of the phosphate rock concentrate with sulfuric acid, defluorination of the …


manufacturing process of dicalcium phosphate with ...

The typical dicalcium phosphate manufacturing process includes first a degreasing step While the projected production of phosphate rock from the present mines . process for making dicalcium phosphate from rock phosphate .


Production of defluorinated dicalcium phosphate from ...

10%A new process to produce defluorinated dicalcium phosphate (DCP) using phosphate rock concentrate has been developed. This new process has as main characteristic the low concentration of P 2 O 5 in the liquid phase. The process comprises three main steps: solubilization of the phosphate rock concentrate with sulfuric acid, defluorination of the …


Clean process for the production of defluorinated ...

A new process for the production of defluorinated dicalcium phosphate using phosphate rock was developed. This new process has the main characteristic of being clean, without the production of any liquid waste. The process has essentially three main steps: phosphate rock digestion, defluorination and neutralization.


Production of dicalcium phosphate by treatment of ...

10%Abstract This paper presents results laboratory experiments to test a new process for manufacture of dicalcium phosphate. The process is based on the nitric acidulation of phosphate rock concentrate, followed by neutralization of the …


Production of dicalcium phosphate or monocalcium phosphate ...

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.


Production of dicalcium phosphate by treatment of ...

This paper presents results laboratory experiments to test a new process for manufacture of dicalcium phosphate. The process is based on the nitric acidulation of phosphate rock concentrate, followed by neutralization of the extract liquor with calcium carbonate. The precipitated dicalcium phosphate is then separated from calcium nitrate solution by filtration. …


US1235025A - Process of making dicalcium phosphate ...

US1235025A US9460216A US9460216A US1235025A US 1235025 A US1235025 A US 1235025A US 9460216 A US9460216 A US 9460216A US 9460216 A US9460216 A US 9460216A US 1235025 A US1235025 A US 1235025A Authority US United States Prior art keywords calcium phosphate making dicalcium phosphate mixture Prior art date 1916-05 …


Mineral Fact Sheet

Manufacturing Process: The most common production process used for obtaining dicalcium phosphate dihydrate is dissolving either rock phosphate or bones in hydrochloric acid, purification and precipitation in crystals. Under very precise and controlled process parameters dicalcium phosphate dihydrate can also be produced from purified feed grade ...


Production of dicalcium phosphate or monocalcium phosphate ...

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.


Production of dicalcium phosphate or monocalcium phosphate ...

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. ... In this process, the ...


Clean process for the production of defluorinated ...

The clear solution containing mainly a weak phosphoric acid is then neutralized, in the third step, in order to produce the final dicalcium phosphate product. After filtration the dicalcium phosphate is dried and the mother licquor is recycled to the first step of the process, the phosphate rock digestion.


Dicalcium-Phosphates- Process, Technology, Applications ...

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 …


manufacturing process of dicalcium phosphate pdf « BINQ …

A PROCESS FOR THE MANUFACTURE OF FEED GRADE …. 10 Sep 2004 … View/Download PDF PDF Help. Claims: CLAIMS : 1. A process for the preparation of feed grade dicalcium phosphate … The first step in this process is in the production of single super phosphate generally known as SSP, … »More detailed


Project Report - Profile on dicalcium phosphate (animal ...

Detailed Project Report (DPR) on dicalcium phosphate (animal feed grade from hydro chloric acid route) Present Market Position and Expected Future Demand, Technology, Manufacturing Process, Investment Opportunity, Plant Economics and Project Financials. comprehensive analysis from industry covering detailed reporting and evaluates the position of the industry by …


A new process for production of purified phosphoric acid ...

A new process for production of purified phosphoric acid and/or fertilizer grade dicalcium phosphate from various grades of phosphatic materials. Grover …


manufacturing process of dicalcium phosphate pdf « …

dicalcium phosphate (DCP), which is a supply of calcium and phosphorus for domestic … production process via wet acid digestion; and iii) the accumulation of … » More detailed What Is Dicalcium Phosphate? – wiseGEEK 15 Apr 2013 …