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用亚硫酸和硫化硫酸盐的溶液浸出浸铜渣回收银，研究了影响浸出过程的主要因素，讨论了堆浸的作业问题．对于含银２００ｇ／ｔ的浸铜渣，银的回收率达８０％以上．
Leaching out copper leaching residue with solution of sulphite and sulphurous sulphate to recover silver. The main factors influencing the leaching process were studied, and the working problems of heap leaching were discussed. For silver 200g / t immersion copper slag, silver recovery rate of 80% or more.