Method of leaching metal from a heap of comminuted ore

Details Method of leaching metal from a heap of comminuted ore Method of leaching metal from a heap of comminuted ore

C - Chemistry, Metallurgy

22

B

C22B 3/04 (2006.01) B02C 4/02 (2006.01) C22B 1/00 (2006.01) C22B 1/24 (2006.01)

Patent

CA 2207518

The invention relates to the extraction of metal, particularly precious metals, from corresponding ore material, in which starting ore material is comminuted in a material bed roll mill, then deposited on a heap and leached by the addition of leaching fluid. In order that the metal can be extracted with a particularly high rate of yield from the starting ore material, the comminuted ore material is deposited on the heap with a maximum grain size of approximately 12 to 15 mm.

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