Metal value recovery from carbonaceous ores

Details Metal value recovery from carbonaceous ores Metal value recovery from carbonaceous ores

1987-03-12

1989-01-31

Stoll, Robert L.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 2, 75101R, 75105, 75118R, 75121, 423 22, 423 27, 423 29, 423 30, 423 31, C22B 1104

Patent

active

048013293

ABSTRACT:
A process for recovering a first metal, e.g., gold, from a carbonaceous ore comprising contacting the ore with an added metal component other than an alkali metal or alkaline earth metal component in an amount effective to at least promote the oxidation of carbonaceous material in the ore, the contacting occurring at conditions effective to (1) chemically oxidize at least a portion of the carbonaceous material, and (2) at least partially liberate the first metal from the ore; and recovering the first metal from the ore.

REFERENCES:
patent: 4421724 (1983-12-01), Hunnel
patent: 4545816 (1985-10-01), Rappas
patent: 4552589 (1985-11-01), Mason et al.

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