The results showed that concentrate of silver grade(2 053.99g/t) and silver recovery of 92.85%were got under conditions of adding 70g xanthate and 50g copper sulfate per ton tailing,adding 1kg sodium silicate per ton tailing in cleaning flotation.

• 结果表明；在捕收剂黄药70g/t、活化剂硫酸铜500g/t、精选加入1kg/t水玻璃条件下；可取得精矿银品位2 053.；99g/t、回收率92