| A sliver-rich copper-zinc polymetallic sulfide ore has a silver grade of 125 g/t, copper grade of 0.26%, zinc grade of 1.13%, sulfur grade of 3.04%. 90% of silver occurs in copper minerals such as silver tetrahedrite and tetrahedrite. Adopting the process of “priority floating silver copper - zinc sulfur mixed floating - zinc sulfur separation” and using high-efficiency silver collector SAC, the silver grade of the silver-copper concentrate obtained by the whole process experiment is 10094 g/t with an 88.78% silver recovery rate, and the grade of copper is 16.67% with an 80.23% silver recovery rate. The zinc grade in the zinc concentrate is 45.46%, and its recovery rate is 81.81%. Comprehensive recovery of silver, copper, and zinc in rich Ag-Cu-Zn polymetallic ore is achieved. |
