Specialized metallurgical processes – compositions for use therei – Processes – Free metal or alloy reductant contains magnesium
Patent
1989-05-30
1990-07-17
Stoll, Robert L.
Specialized metallurgical processes, compositions for use therei
Processes
Free metal or alloy reductant contains magnesium
423 27, 423 29, 423 30, 423 31, 423 38, 423 46, C22B 1104
Patent
active
049419170
ABSTRACT:
Carbonaceous ore containing a precious metal (gold) is treated with an aqueous solution of chlorine dioxide to enhance the recovery of the precious metal.
REFERENCES:
patent: 4289532 (1981-09-01), Matson et al.
patent: 4629502 (1986-12-01), Sherman et al.
Cenegy Lawrence M.
Clark Paul B.
Cooley Max E.
Deal Samuel G.
Barrick (USA) Inc.
Exxon Chemical Patents Inc.
Graham R. L.
Hunt J. F.
Stoll Robert L.
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