Quarrying - an overview | ScienceDirect Topics
The total blue WF (direct and upstream consumption) for the sulfide ore refining process was 96 L/kg of copper cathode. The first step in the process, the extraction from the open pit mine, accounts for 5% of the total blue WF; the second step, comminution (crushing, grinding), accounts for 3%; the third step, the concentrator plant, accounts ...