Solvent extraction of gold and silver anions under alkaline cond

Details Solvent extraction of gold and silver anions under alkaline cond Solvent extraction of gold and silver anions under alkaline cond

1983-08-26

1985-09-10

Doll, John

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

423 24, 210634, B01D 1104

Patent

active

045404356

ABSTRACT:
A technique for extracting gold values from an aqueous system containing gold cyanide anions by contact with a strong solvating extractant under basic conditions is disclosed. Useful extractants include organic phosphorus oxides and sulfur oxides.

REFERENCES:
patent: 3734722 (1973-05-01), Ziegler
patent: 4226791 (1980-10-01), Reinhardt et al.
patent: 4334999 (1982-06-01), Cornwell

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