The paper introduces the source of cupola pollutants and the harm caused, the prevention and control of cupola pollution, as well as recycling of cupola pollution emission .
文章介绍了冲天炉污染物的来源及其造成的危害，冲天炉污染的预防和治理，冲天炉污染排放物的回收利用。
The source and quality of the waste water in dimethylaminobenzoic acid production are analysed, and the countermeasures are proposed for pollution prevention and control.
对间二甲胺基苯甲酸生产中废水来源及废水水质进行了分析，并提出了废水污染防治措施。
Finally, on the basis of investigation, the prevention and control of pollution for the secondary area of water source were studied and discussed.
最后，在调研基础上对二级保护区的污染防治工程规划工作进行研究和探讨。
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