探讨了低品位氧化锌矿在浸出过程中的主要化学反应，认为反应都能向生成硫酸锌的方向进行。
The main chemical reactions of low grad zinc oxide ore in leaching process were investigated. It was thought that the reaction to zinc sulphate can occur.
本文报道了用菱锌矿作原料，制备硫酸锌的工艺条件。
The technological conditions of the preparation of zinc sulfate with smithsonite as raw materials was reported.
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