METHOD OF PRODUCING DICALCIUM PHOSPHATE Russian patent published in 2012 - IPC C05B3/00 C01B25/32

Abstract RU 2467988 C1

FIELD: chemistry.

SUBSTANCE: invention relates to agriculture. The method of producing dicalcium phosphate, which involves mixing phosphoric acid with limestone, followed by ageing and drying the product, wherein phosphoric acid, purified from sulphate ions and fluorine, is mixed with limestone in recycle mode, and the product is dried at temperature ranging from plus 100°C to plus 105°C.

EFFECT: invention increases technological effectiveness of the method and quality of dicalcium phosphate.

3 cl, 3 tbl

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RU 2 467 988 C1

Authors

Volodin Pavel Nikolaevich

Sidorenkova Nadezhda Grigor'Evna

Dates

2012-11-27—Published

2011-04-05—Filed