A BACTERIALLY ASSISTED HEAP LEACH

摘要

A bacterially assisted heap leach characterised by the steps of: providing a n ore heap to oxidise sulphide minerals therein; providing a biological contactor inoculated with ferrous iron oxidising bacteria; providing at leas t one leach solution pond to feed solution to, and receive leach solution from both the heaps; and bleeding a portion of the leach solution and passing sam e to a means for metals recovery.