COPPER Copper production Repository
Beneficiation by froth flotation of ore to give copper concentrate Optional partial roasting to obtain oxidized material or calcines 2. Two stage pyrometallurgical extraction 1. smelting concentrates to matte 2. converting matte by oxidation to crude converter or blister copper 3. Refining the crude copper, usually in two steps 1. pyrometallurgically to fire refined copper 2



































