The design procedure of waste water treatment installation for controlling secondary pollution caused by the cyclone is given.
对于该种除尘器所产生的二次污染—污水，设计了经济、适用、有效的水处理设施—平流沉降、斜管沉降、澄清。
This type blower has been successfully developed to solve the secondary noise pollution, the difficult problem caused by Roots blowers which are used for the aeration of wastewater.
三叶型罗茨鼓风机具有低噪声的特点，解决了污水处理设备中应用罗茨鼓风机进行曝气带来的二次嗓声污染的难题。
Results indicated MABR could effectively avoid volatile organic compounds volatilization caused by conventional bubble aeration and secondary pollution of the air.
实验证明MABR可以有效避免常规鼓泡曝气对易挥发性有机物的吹脱作用，避免了对空气的二次污染。
Food wastewater caused growing pollution, while the microbial treatment technology had no secondary pollution, dealing with low cost has received widespread attention by people.
餐饮废水所造成的环境污染日益严重，而微生物治理技术具有无二次污染、以及处理成本低等特点，受到人们的广泛关注。
Food wastewater caused growing pollution, while the microbial treatment technology had no secondary pollution, dealing with low cost has received widespread attention by people.
餐饮废水所造成的环境污染日益严重，而微生物治理技术具有无二次污染、以及处理成本低等特点，受到人们的广泛关注。
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