Process of leaching gold and silver

Details Process of leaching gold and silver Process of leaching gold and silver

C - Chemistry, Metallurgy

22

B

53/226

C22B 11/08 (2006.01)

Patent

CA 1190750

ABSTRACT OF THE DISCLOSURE: Gold and/or silver is leached from comminuted ore with an alkaline cyanide lixiviant at a superatmospheric pressure of at least 25 bar and with high purity oxygen, at least 90% pure, to reduce the residence time at high yield.

406534

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