Method of recovering precious metals

Details Method of recovering precious metals Method of recovering precious metals

C - Chemistry, Metallurgy

22

B

C22B 3/04 (2006.01) B02C 4/02 (2006.01) B02C 21/00 (2006.01) C22B 11/00 (2006.01)

Patent

CA 2138618

The invention relates to a method of recovering precious metals from oxidic or refractory or semi-refractory ore material containing precious metal. This recovery of precious metal takes place with optimal comminution work and with more efficient and more reliable leaching also of non-oxidic ore material in such a way that the ore material is subjected to material bed comminution in the grinding gap between two rollers which are pressed against one another under high pressure and revolve in opposite directions and afterwards the comminuted ore material is preferably leached using a stirring movement in a container.

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