The Influence Of Microwave Pre-Treatment On Copper Flotation

Sahyoun, C.
Organization: The Southern African Institute of Mining and Metallurgy
Pages: 8
Publication Date: Jan 1, 2005
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The influence of microwave treatment on copper flotation has been investigated. Comparative batch flotation tests carried out on ore treated at 5?12 kW for 0.1?0.5 s showed that improvements in copper recovery of between 6?15 % could be achieved compared with untreated ore. Both recovery and cumulative grade increased with increasing treatment time and power. A preliminary economic analysis showed that microwave treatment will be economically viable if recoveries similar to those determined on laboratory scale can be achieved on a plant. Keywords: microwave treatment, copper ore, flotation, liberation, recovery
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