Chalcopyrite (Cu) Sphalerite (Zn) Separation by Flotation
· The copper is present principally as chalcopyrite in extremely close association with both ... important in order not to contaminate fresh mineral surface produced in crushing and grinding. About 2% of the total copper in this ore exists in soluble form so provision is also made for its recovery by precipitation on scrap iron. Two stage grinding with intermediate washing is used to remove ...