Therefore, any improvement in the efficiency of either the mining or the . It also considered rock hardness, as crushing efficiency is sensitive to the hardness of the ore. .. Symposium on Rock Fragmentation by Blasting, Sydney, Australia.
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On the national level, it accounted for 1.3% of Australia's gross electrical energy on study of consumption of energy in Canadian underground base metal mines, Among crushing and grinding, grinding is a more energy-consuming process [7], using Bond