Dicalcium phosphate manufacture

Details Dicalcium phosphate manufacture Dicalcium phosphate manufacture

1978-03-27

1979-05-15

Vertiz, O. R.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Alkaline earth metal

423167, 423308, C01F 1100

Patent

active

041547993

ABSTRACT:
A process is described for highly efficient recovery of phosphate values from a wide range of phosphate rock including low grade phosphate rock material by leaching with a dilute sulfuric acid and precipitating phosphate values as dicalcium phosphate. Water savings are accomplished in the process by the use of sea water instead of fresh water.

REFERENCES:
patent: 3919395 (1975-11-01), Hauge
patent: 4012491 (1977-03-01), Hauge
patent: 4029743 (1977-06-01), Hauge

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