This material forms a thick, weighty and highly abrasive sludge that must be transported from the flotation cells, where the copper is extracted, to a mine tailingsdisposal area.
The existing problems of the tailings and waste residue in Yunnan Lancang Lead Mine have been described, and the feasible disposal methods have been introduced.
阐述了云南澜沧铅矿尾矿和废渣存在的一些问题，提出了切实可行的处理办法。
3
Fine tailings produced in the milling process have traditionally been disposed of in tailings ponds, creating a waste disposal and environmental problem.