Method for extraction of gold and silver from ore with a solutio

Details Method for extraction of gold and silver from ore with a solutio Method for extraction of gold and silver from ore with a solutio

1991-08-01

1992-08-18

Morris, Theodore

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group ib metal

4236585, 423 38, 423 34, 75722, 75736, 75733, C01G 700, C01G 500

Patent

active

051397528

ABSTRACT:
From an ore containing gold and silver, the gold and silver are extracted by a method which comprises pulverizing the ore and bringing the pulverized ore into contact with an elemental halogen, a halogenated salt, and an organic solvent thereby converting the gold and silver into polyhalogeno anionic complexes and consequently dissolving them in the organic solvent.

REFERENCES:
patent: 738758 (1903-09-01), Baxeres
patent: 2371119 (1945-03-01), Nachod
patent: 4500498 (1985-02-01), Kruesi et al.
patent: 4919716 (1990-04-01), Nakao et al.

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