Microorganism and method for leaching mineral sulphides

C - Chemistry – Metallurgy – 22 – B

Patent

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

Patent

CA 2558468

The present invention relates to a method of bioleaching mineral sulphides at high temperatures and extremely low pH. In particular, the invention relates to a method which employs a microorganism of the genus Acidianus which is a thermophile and an extreme acidophile.

L'invention concerne un procédé permettant la lixiviation de sulfures minéraux à des températures élevées, et à un pH extrêmement bas. L'invention concerne en particulier un procédé consistant à utiliser un micro-organisme appartenant au genre Acidianus, qui est thermophile et extrêmement acidophile.

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