With zinc crust from waste zinc-manganese batteries as raw material, this paper discusses the methods and conditions for the preparation of zinc sulphate.

以废旧锌锰电池中的锌皮为原料，探讨了制取硫酸锌的实验方法和实验条件。

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Recyle mercury form waste zinc-manganese cell using low temperature roasting method was introduced, effect of temperature and time on removing mercury from waste zinc-manganese cell was studied.

利用低温焙烧的方法去除废旧锌锰电池中的汞，研究了温度及时间对废旧锌锰电池中汞去除的影响。

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Mining company Outokumpu dumped 450 cubic meters of pig slurry into the waste water near the closed Kangasjarvi mine, which once produced zinc, copper and sulfur.

芬兰Outokumpu矿业公司日前向已被关闭的Kangasjarvi矿附近的一个废弃池塘内倾倒了450立方米的猪粪浆。 此前，该矿业公司曾在Kangasjarvi矿开采过锌、铜和硫磺。

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Since the early 1980s, the EPA has included waste created from zinc phosphate processing on its list of FO19 hazardous wastes, which requires expensive additional treatment.

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