The use of reactive polymer as heavy metal precipitant was tested to realize the wastewater reuse in the Pb/Zn flotation plants when cyanide was used as a depressant.

• 摘要为实现使用氰化物的铅锌矿浮选废水的回用，试验了一种利用金属沉淀剂去除铅锌矿浮选废水中重金属离子的新方法。