C - Chemistry – Metallurgy – 22 – B
Patent
C - Chemistry, Metallurgy
22
B
C22B 3/06 (2006.01) C22B 3/42 (2006.01)
Patent
CA 2064543
ABSTRACT OF THE DISCLOSURE There is disclosed a process for recovery of cobalt, nickel and copper from sulfide bearing materials including ores and refractory metal bearing materials. The process results in greater than 95% recovery from the sulfide material using a ferric chloride leach system. The efficiency is obtained without the conventional disadvantages of high temperature and expensive apparatus to effect the extraction.
Desjardins C. David
Gilders Ross D.
Cobrun Mining Corp.
Mcfadden Fincham
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