The improper collection and treatment of laboratory waste can cause serious environmental pollution and even personal injuries. It has attracted a high attention all over the world.

实验室废弃物的收集、管理不当会造成严重的环境污染甚至人员伤害，这已经引起国内外相关部门的高度重视。

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As the complexity of coal chemical industry wastewater components, the direct discharge of waste water will cause serious environmental pollution, so water treatment is very important.

由于煤化工废水成分复杂，废水的直接排放会带来严重环境污染，所以废水处理尤为重要。

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The electroplating sludge is complicated in nature containing many kinds of metallic elements and it will cause serious environmental pollution and resource waste if discharged without treatment.

电镀污泥含有多种重金属元素，性质复杂，如果不加处理排放，将会造成严重的环境污染和资源浪费。

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