Biological oxidation of sulphide minerals

Details Biological oxidation of sulphide minerals Biological oxidation of sulphide minerals

C - Chemistry, Metallurgy

22

B

C22B 3/18 (2006.01) C22B 3/20 (2006.01) C22B 11/08 (2006.01) C22B 15/00 (2006.01) C22B 23/00 (2006.01)

Patent

CA 2239960

A process for treating gold bearing sulphide minerals wherein the minerals are subjected to biological oxidation, the product thereof is separated into light and heavy fractions and gold is recovered from the light fraction using a non-biological process.

Procédé pour traiter des minéraux de sulfures aurifères, dans lequel les minéraux sont soumis à une oxydation biologique; le produit de celle-ci est séparé en fractions légères et lourdes, et l'or est récupéré à partir de la fraction légère grâce à un procédé non biologique.

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