Method for the removal of cadmium from acid phosphate-containing

Details Method for the removal of cadmium from acid phosphate-containing Method for the removal of cadmium from acid phosphate-containing

1987-04-29

1989-02-21

Stoll, Robert L.

Chemistry of inorganic compounds

Phosphorus or compound thereof

Oxygen containing

423100, 423162, 75101BE, 75121, 210688, C01B 25235, C01G 1100, C22B 1704

Patent

active

048063231

ABSTRACT:
Cadmium is removed from an acid, phosphate-containing aqueous medium with the aid of an anion exchanger, in which process, during the removal, iodide or bromide ions are present in a quantity of 100-6000 ppm calculated with respect to the acid phosphate-containing aqueous medium.

REFERENCES:
patent: 3306702 (1967-02-01), Odland et al.
patent: 4154805 (1979-05-01), Hiraga et al.
patent: 4492680 (1985-01-01), Frankenfeld et al.
Herve, D., "Ion Exchangers in Hydrometallurgy", Industrie Minerale, France, No. 3, 1977 (Rough Draft Translation).

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