Method for the treatment of phosphate rock

Details Method for the treatment of phosphate rock Method for the treatment of phosphate rock

1977-11-18

1980-01-01

Vertiz, O. R.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Alkaline earth metal

C01B 2501

Patent

active

041817036

ABSTRACT:
The method for the treatment of phosphate rock that has a content of magnesium compounds in excess of 0.3%. The crushed and screened phosphate rock is mixed with water in a ratio of 1:5 by weight. The mixture is acidified with sulphuric acid, and the reaction mixture is filtered and washed before the neutralization point is reached.

REFERENCES:
patent: 3240559 (1966-03-01), Barr
patent: 3493340 (1970-02-01), Bosen et al.
patent: 3556724 (1971-01-01), Fuchs et al.
patent: 3717702 (1973-02-01), Petersen
patent: 3795728 (1974-03-01), Scheel
patent: 3886259 (1975-05-01), Nikolai et al.

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