Method for thiosulfate leaching of precious metal-containing...

Details Method for thiosulfate leaching of precious metal-containing... Method for thiosulfate leaching of precious metal-containing...

C - Chemistry, Metallurgy

22

B

C22B 3/04 (2006.01) C22B 3/00 (2006.01) C22B 11/00 (2006.01)

Patent

CA 2424714

Processes are provided for recovering precious metals from refractory materials using thiosulfate lixiviants. The leaching processes employ thiosulfate lixiviants containing dissolved molecular oxygen. The processes can also employ heap leaching and lixiviants that include one or more blinding agents.

Procédés permettant de récupérer les métaux précieux de matériaux réfractaires à l'aide de produits lixiviants à base de thiosulfate. Dans ces procédés, on peut utiliser une lixiviation en tas ou des lixiviants renfermant au moins un agent masquant.

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