Purifying phosphoric acid by extraction with an aliphatic nitril

Details Purifying phosphoric acid by extraction with an aliphatic nitril Purifying phosphoric acid by extraction with an aliphatic nitril

1978-05-08

1980-02-26

Vertiz, O. R.

Chemistry of inorganic compounds

Phosphorus or compound thereof

Oxygen containing

C01B 2522

Patent

active

041906349

ABSTRACT:
Impure "wet process" phosphoric acid is purified by solvent extraction in an improved process which uses a solvent composition which comprises an aliphatic nitrile.

REFERENCES:
patent: 3497330 (1970-02-01), Baniel et al.
patent: 3649220 (1972-03-01), Powell et al.
patent: 3700415 (1972-10-01), Koerner, Jr. et al.
patent: 3707357 (1972-12-01), Chiang
patent: 3784678 (1974-01-01), Beltz et al.
patent: 3966873 (1976-06-01), Elikan et al.

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