冀东油田废水池地处环境敏感区域，对其废污泥采用固化法进行处理。
Considering the waste sludge pools in Jidong oil field are located inthe environment sensitive region, solidification method is applied to dispose the sludge.
机车维修产生的污泥、废溶剂和清洁剂也可造成空气污染，如果点燃，会严重威胁人体健康。
Locomotive maintenance produces sludge, waste solvents, and cleaners that can cause air pollution and, if ignited, serious threats to human health.
该法既能利用废活性污泥，还为替代化学破乳剂提供了可能性。
The method can not only use the waste activated sludge but also provide a probability of substitution of chemical demulsifier.
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