A Comparison Between a Flotation Mini Pilot Plant and a
mine and produces 80 000 t/y of a flotation concentrate at 37 per cent Cu. The ore sulfide minerals are chalcopyrite (34 per cent) and bornite (64 per cent) (Reis, 2003). The average copper grade of the deposit is per cent. The grinding circuit consists of a 16#215; 25ball mill in closed circuit with a cyclone pack and a flash flotation.