Flotation experiment finished for Qinghai Derni Cu mine

摘要

The mining experts of Beijing General Research Institute of Mining& Metallurgy (BGRIMM) has recently finished flotation experiment for Demi Copper Mine in Maqen county, Golog prefecture of Qinghai province, which is helpful to gear up construction of the mine. Through three years of hard work, the experts have made success in lab-small-size and industrial-scale experiment. The technical indices: copper concentrate with 23.6 percent copper grade, flotation recovery rate 82.96 percent, cobalt concentrate with 0.14 percent cobalt grade, recovery rate 91.72 percent, sulfur concentrate with 39.29 percent sulfur grade, recovery rate 90.65 percent.