Process for the recovery of the metal values of complex pyrites

Details Process for the recovery of the metal values of complex pyrites Process for the recovery of the metal values of complex pyrites

C - Chemistry, Metallurgy

22

B

53/371

C22B 3/00 (2006.01)

Patent

CA 1093840

ABSTRACT OF THE DISCLOSURE The present invention refers to a process for the recovery of the metal values of complex pyrites with which in the first place grinding and concentration of the ore is carried out until there is obtained a mimimmum content of copper plus zinc plus lead of 12%, this concentrate being then subjected to a lixiviation in two stages, one sulphuric and another which is also acid but in a chloride medium.

273395

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