The relationship between Pb leaching concentration and the solution’s pH with time was analyzed when cement in its soli......

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In Zijinshan, a commercial copper bio-heap leaching plant has been operating successfully from 2006.The plant used raffi......

从次氧化锌烟尘中回收锌有利于二次资源充分利用和环境保护。本文采用氨水-碳酸氢铵溶液作为浸取剂从次氧化锌烟尘浸取锌,系统研究......