Abstract: In view of the high content of valuable minerals in the old tailings of a lead-zinc mine, an explorative test was carried out on the re-concentration of old tailings so as to find a rational and feasible beneficiation process and reagent regime. The test achieved good results in the comprehensive recovery of Pb, Zn, Sn, Ag, In, S from the old tailings. The results are of practical guidance significance to the production and management of the concentrator.

Key words: Tailing, Valuable mineral, Comprehensive recovery