Process and device for recovering gold particles

Details Process and device for recovering gold particles Process and device for recovering gold particles

C - Chemistry, Metallurgy

22

B

C22B 11/10 (2006.01) C22B 11/12 (2006.01)

Patent

CA 2069173

ABSTRACT Process and device for recovering gold particles found in grounded ore or substrates rich in gold, said process comprising the steps of: a)- attaching, by electrodeposition, a mercury layer (A) over a silver layer (P), which is attached to a metallic surface (B1); b)- attaching to said mercury layer (A), by molecular attraction, an overlaying mercury film (Hg); c)- submitting the gold particles present in grounded ore to repeated and systematic contact with the overlaying mercury film (Hg), in such a way that the gold particles contacting said overlaying mercury film form a gold/mercury amalgam which adheres to the mercury layer (A); d)- interrupting said repeated and systematic contact and removing the gold/mercury amalgam layer from said mercury layer (A) and provide another overlaying mercury film (Hg); and e)- repeating steps "c" and "d" until a desired recovering degrees of gold particles from the substrate is achieved.

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