Gold reclamation process

Details Gold reclamation process Gold reclamation process

1974-08-05

1976-05-18

Carter, Herbert T.

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

75118R, 423505, 423 38, 423463, C22B 1100

Patent

active

039575055

ABSTRACT:
Gold is recovered from gold bearing materials by dissolving gold in an iodide-iodine solution, precipitating gold with a reducing solution, removing the precipitated gold and then regenerating the iodide-iodine solution with an oxidizing agent.

REFERENCES:
patent: 2304823 (1942-12-01), Harrison
patent: 3390981 (1968-07-01), Hoffman
patent: 3495976 (1970-02-01), Bazilevsky et al.
patent: 3625674 (1971-12-01), Jacobs
Masterton et al., Chemical Principles, 2nd Ed., W. B. Saunders Co., Phila, Pa. 1966, pp. 466-469.
Audrieth et al., The Chemistry of Hydrazine, John Wiley & Sons, New York, 1951, pp. 116,127,136,160.

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