从硬锌渣中提取锌铟的工艺研究

Study on Technology of Extracting Zinc and Indium from the Hard-zinc Slag

从有效利用资源、缩短工艺流程、改善操作条件和减少环境污染的角度出发,对某炼锌厂产出的硬锌渣进行提取锌、铟等有价金属的技术和工艺条件的探索性试验研究。采用两段常压氧化酸浸的方法,将锌在Ⅰ段浸出、铟在Ⅱ段浸出。锌的浸出率达到95%,铟的浸出率可达到91.56%。

From the view of making good use of resources, shortening the process, improving operating conditions and reducing pollution, the technology and process conditions of extracting zinc and indium from the hard - zinc slag were studied. With the method of two steps oxidation acid leaching at atmospheric pressure, zinc was leached in the first step and indium in the second step. The leaching rate of zinc and indium reached 95% and 91. 56% respectively.