Improved bacterial oxidation of sulphide ores and concentrates

Details Improved bacterial oxidation of sulphide ores and concentrates Improved bacterial oxidation of sulphide ores and concentrates

C - Chemistry, Metallurgy

22

B

C22B 3/18 (2006.01) C22B 15/00 (2006.01)

Patent

CA 2382618

A process for the bacterial oxidation of sulphide ores and concentrates characterised in that the ore or concentrate is leached with a mixed bacterial culture at a temperature of between about 40 to 650~C, and at a pH of between about 0.8 to 2.2.

L'invention concerne un procédé d'oxydation bactérienne de minerais sulfurés et de concentrés caractérisé en ce que le minerai ou le concentré est lixivié avec une culture bactérienne mélangée à une température comprise entre environ 40 et 650·C et à un pH compris entre environ 0,8 et 2,2.

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