Heat transfer in heap leaching of sulphide ores

Details Heat transfer in heap leaching of sulphide ores Heat transfer in heap leaching of sulphide ores

C - Chemistry, Metallurgy

22

B

C22B 3/18 (2006.01) C22B 3/02 (2006.01) C22B 11/00 (2006.01) C22B 15/00 (2006.01) C22B 19/00 (2006.01) C22B 23/00 (2006.01)

Patent

CA 2421780

A method of leaching sulphide mineral concentrates wherein heat generated by bioleaching of sulphide mineral concentrates in at least one reactor is transferred into a heap in which bio-assisted leaching of e.g. low grade or secondary copper sulphide ores takes place.

L'invention se rapporte à un procédé de lixiviation de concentrés minéraux sulfurés selon lequel la chaleur générée par la biolixiviation des concentrés minéraux sulfurés dans au moins un réacteur est transférée à l'intérieur d'un tas dans lequel se déroule une lixiviation bio-assistée.

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