Boliden Copper Mine, Aitik, Sweden Mining Technology . Mining .
Located near Gallivare, northern Sweden, the low grade Aitik copper deposit was . a new concentrator and the acquisition of new mining equipment, including a new . ore reserves were 747t grading at 0.25% of copper, 0.14g per tonne of gold, . Autogenous and ball mill grinding is followed by conventional flotation, the.
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A ball mill is a type of grinder used to grind, blend and sometimes for mixing of materials for use . In case of continuously operated ball mill, the material to be ground is fed from the left through .. Lixiviant · Heap leaching · Dump leaching · Tank leaching · In situ leaching · Gold chlorination · Gold cyanidation · Bayer process.