Heap bioleaching process

Details Heap bioleaching process Heap bioleaching process

C - Chemistry, Metallurgy

22

B

C22B 3/18 (2006.01)

Patent

CA 2554721

A heap bioleaching process wherein carbon, in the form of a carbonate, carbon dioxide or organic carbon, is added to the heap when the temperature in the heap is in the range of 45oC to 60oC to increase microbial activity and thereby raise the heap temperature to above 60oC.

Procédé de biolixiviation en tas consistant à ajouter à ce tas du carbone sous forme d'un carbonate, de dioxyde de carbone ou de carbone organique, quand la température du tas est située dans une plage de 45 ·C à 60 ·C afin d'augmenter l'activité microbienne et, par conséquent, élever la température du tas à une température supérieure à 60 ·C.

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