Solvent extraction method of phosphoric acid

Details Solvent extraction method of phosphoric acid Solvent extraction method of phosphoric acid

1981-10-08

1983-03-22

Vertiz, O. R.

Chemistry of inorganic compounds

Phosphorus or compound thereof

Oxygen containing

C01B 2516

Patent

active

043775624

ABSTRACT:
A method for solvent extraction of phosphoric acid comprises counter-currently contacting an impure phosphoric acid solution containing at least 45 wt. % of P.sub.2 O.sub.5 with a partially water-miscible solvent in the presence of sulfuric acid, and which is characterized in that

REFERENCES:
patent: 3867511 (1975-02-01), Chiang et al.
patent: 3872215 (1975-03-01), Cherdron et al.
patent: 3903247 (1975-09-01), Blumberg et al.
patent: 3970741 (1976-07-01), Pavonet
patent: 4127640 (1978-11-01), Williams
patent: 4197280 (1980-04-01), Jassal
patent: 4222994 (1980-09-01), Ehlers et al.

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