DI-CALCIUM PHOSPHATE (POWDER)

Dicalcium phosphate is also known as the calcium hydrogen phosphate dehydrate or dibasic calcium phosphate with the molecular formula CaHPO4. The ‘di’ prefix indicates the formation of the HPO42– anion, which involves the removal of two protons from phosphoric acid (H3PO4). Dicalcium phosphate is mostly used as a dietary supplement. It is commonly found as a dehydrate; however, it can be converted into an anhydrous form by applying heat. It is insoluble in water and biomaterial in nature. Dicalcium phosphate contains a minimum 19% of phosphorus content and maximum 28% of calcium content; therefore, it is used as a source of phosphorus and calcium.

Rock phosphates are natural sources of calcium phosphate in the form of tricalcium phosphate. Acidification of tricalcium phosphate with mineral acids yields phosphates and phosphoric acids. Acidification of rock salt with hydrochloric acid produces mono calcium phosphate which remains in solution which is treated to remove fluorides as precipitates.

The supernatant liquid containing monocalcium phosphate is treated with lime to obtain dicalcium phosphate and calcium chloride which is considered as a by-product. Phosphoric acids which are obtained on acidification of natural phosphates are purified and then neutralized to produce dicalcium phosphate.

Animal-feed grade Di-Calcium Phosphate is made from wet process acid that has been treated to reduce fluorine content to an acceptable level.

It is intended to prepare a Feasibility Report to install 7500 MT/Year Di-Calcium Phosphate (Powder) production facilities as a New Project.