C - Chemistry – Metallurgy – 22 – B
Patent
C - Chemistry, Metallurgy
22
B
149/19, 204/66
C22B 3/06 (2006.01) C22B 3/16 (2006.01) C25C 1/00 (2006.01) C25C 1/20 (2006.01)
Patent
CA 1290225
Abstract of the Disclosure A process for extracting a precious metal or base metal from a source material containing the metal. The process comprises contacting the source material with an aqueous leaching solution containing a leaching agent comprising an N-halohydantoin compound, thereby producing an aqueous leachate containing said metal. Aqueous leaching compositions, and novel electrowinning and other electrodeposition processes are also disclosed.
515641
Sergent Rodney H.
Thanstrom Kenneth N.
Great Lakes Chemical Corporation
Smart & Biggar
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