Recovery of silver from cuprous chloride solutions by...

Details Recovery of silver from cuprous chloride solutions by... Recovery of silver from cuprous chloride solutions by...

C - Chemistry, Metallurgy

22

B

53/232, 53/295

C22B 11/04 (1980.01)

Patent

CA 1096178

ABSTRACT OF THE DISCLOSURE A process for recovering silver from chloride solutions comprising contacting the solution with amalgams of various metals from Group 2b, 4a, 5a, or 8? of the periodic table or copper to replace the metal with silver and recovering silver from the formed silver amalgam. The process provides an improvement in the process for recovering copper from its ores in which the copper in the ore is solubilized as cuprous copper in a leach liquor and the copper re- covered from the leach liquor as cuprous chloride by crystallization, the improvement being the removal of silver from the leach liquor prior to crystallization by use of the amalgam to produce substan- tially silver-free cuprous chloride crystals.

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