PAPER OPEN ACCESS Research on the Process of Sulphatizing ...
the simultaneous accumulation of waste induce to process generated and dump slag of copper smelting. Such slag contains 0.5-2% Cu [2]. To extract copper from slag wastes, froth flotation method is frequently used [3, 4] due to its relatively low cost. Flotation process also forms tailings with higher contents of zinc and copper than in natural ...