Method for recovering copper and Zinc ore containing copper and Zinc Sul - fidico

摘要

Method for recovering copper and Zinc, a Mineral sulfidico they contain. The Crushed ore is subjected to Flotation operation that includes a First stage to float a Copper Concentrate. This Concentrate is Fed to a second stage to float a Copper Concentrate relatively free of zinc.The remaining ore is FED from the first stage to a third to float an initial concentration of zinc. The remaining mineral feeds of the third stage to Fourth stage to float a material containing copper and Zinc.It produces a Concentrate containing Intermediate 5 to 25% copper and 2 to 25% zinc, with a total of at least 12% of copper and Zinc ore, selecting the remaining of the second stage and producing a Concentrate of zinc containing at least 20% of zinc.