一步法生产氧化锌的活性研究

Study on the Activity of ZnO Produced by One-step Process

研究了闪锌矿一步法生产活性氧化锌的工艺。通过添加一定量的ＭｎＯ２（或贫锰矿）作氧化剂，在酸性介质中可实现闪锌矿的常压直接浸出，锌、锰、硫的回收率分别为９５．７％、９５％和８６．９％。产品性能检测结果表明，该工艺得到的活性氧化锌比表面积≥１００ｍ２·ｇ－１，活性 Ｖｃｏ＋Ｈ２≥ ３Ｌ· ｇ－１· ｈ－１，且样品的比表面积与活性成正比，与结晶度成反比。

In this paper, the technique of preparation of active ZnO by one -- step process from ZnS was investigated. It is possible for ZnS to be directly leached in acidic condition by adding a certain amount of oxidative agent; the recovery of zinc, manganese, and sulfur are 95. 7%. 95% and 86. 9% separately. The properties determinations have shown that: the sample's specific area is proportional to its activity and at to its crystallization.