通过接触过滤技术在冶金化工污水处理工艺中的应用，对处理后浓密废水所含悬浮物进行深度过滤，使处理后排放废水中的总锌、总镉浓度分别降到1。
By depth filtration of suspended material in effluent after treatment using contact filtration process, the total Zn and Cd concentration in the effluent discharge can be dropped to 1.
根据世界煤炭学会（一个行业组织）的报告：2009年中国的煤炭消耗量占世界煤炭总消耗量的约46%，同时中国消耗了同等比例的锌和铝。
It accounted for about 46% of global coal consumption in 2009, according to the World Coal Institute, an industry body, and consumes a similar share of the world's zinc and aluminium .
我国是锌锰电池生产大国，年产量达200亿只，电池用锌约占锌总消费量的25%。
Our country is the biggest country which zinc manganese battery production is 200 hundreds million, and zinc for battery occupies 25% of total.
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