Method of recovering gold

Details Method of recovering gold Method of recovering gold

1980-07-03

1981-10-27

Ozaki, G.

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

75101BE, 75108, 423 24, 423 35, 423 40, C22B 1106

Patent

active

042971349

ABSTRACT:
A process for recovering gold from a raw material containing gold by treating the raw material with either aqua regia or hydrochloric acid to form chloroauric acid, extracting the chloroauric acid with an organic solvent and reducing the acid to precipitate gold for separation and recovery.

REFERENCES:
patent: 440143 (1890-11-01), Dode
patent: 3397040 (1968-08-01), Lakin et al.
patent: 3576620 (1971-04-01), Wilson
patent: 3771996 (1973-11-01), Short
patent: 3843379 (1974-10-01), Daiga et al.
patent: 3885955 (1975-05-01), Lutz et al.
patent: 3935006 (1976-01-01), Fischer

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