2Recovery of Copper and Cobalt from Copper Slags as Selective
3:6:6 of slag/pyrite/copper concentrate rate then roasting at 600 #176;C at 5 hours. Besides, it was determined that all of Se, Te, Sb and As can be removed from the mixture of slag/pyrite/copper concentrate rate. Key words: Copper, cobalt, slag, roasting, pyrite, copper concentrate. 1. Introduction Significant amounts of copper, cobalt and nickel