Abstract: The pyrite grade 15.59%,gold grade 0.29 g/t and silver grade 8.28 g/t of lead—zinc flotation tailings of Xitieshan has comprehensive recycling value.Experimental study on re—beneficiation of tailings showed that the sulfur grade 42.73% and the recovery of 86.56%,gold grade 1.01 g/t and the recovery of 85.85% and silver grade 31.91 g/t and the recovery of 82.59% could be obtained with the grinding fineness of -0.074 mm accounted for 70% by only one roughing.This study has great theoretical and practical significance for the comprehensive utilization of resources.

Key words: Tailings, Pyrite, Gold and silver recovery, Comprehensively utilizing