Method for leaching metal bearing ores

Details Method for leaching metal bearing ores Method for leaching metal bearing ores

C - Chemistry, Metallurgy

22

B

53/369, 23/412

C22B 3/02 (2006.01) C22B 3/00 (2006.01)

Patent

CA 1156473

ABSTRACT OF THE DISCLOSURE Disclosed are methods and devices for above-ground leaching of metal bearing ores, comprising (a) providing an ore body to be leached having positioned therein void- forming members, (b) partially performing the leaching, (c) removing said members by pulling out, thereby creating internal voids and causing shifting of ore in said ore body; and (d) completing the leaching. Also disclosed are methods for removing void-creating members by corrosion and for counteracting channeling.

373667

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