Hydrometallurgical extraction process

Details Hydrometallurgical extraction process Hydrometallurgical extraction process

1996-08-02

1998-09-15

Willis, Jr., Prince

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

75711, 75712, 75743, 204481, C22B 1500, C22B 1100

Patent

active

058074210

ABSTRACT:
A hydrometallurgical process for treating copper feed materials containing gold and/or silver by simultaneously leaching copper, gold and/or silver into an aqueous cyanide solution, extracting copper, gold and cyanide with anion exchange resin is provided.

REFERENCES:
patent: 3656893 (1972-04-01), Sloan
patent: 4687559 (1987-08-01), Coburn et al.
patent: 5411575 (1995-05-01), Fleming et al.
Scerescini,B., "The Mt. Gibson Process", AMMTEC Pty Ltd. Processing of Gold-Copper Ores (Practical Aspects), pp. 39-41, Jul. 4, 1991.
LaBrooy, S.R., "Copper-Gold Ore Treatment Options and Status", Randol Gold Forum Vancouver '92, Randol International: Golden, CO, pp. 173-177.
Muir,D.M. LaBrou,S.R., Fenton,K., "Processing Copper-Gold Ores with Ammonia or Ammonia-Cyanide Solutions", World Gold '91, AusIMM: Victoria, Australia, pp. 145-150.

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