Therefore, the activation of the surface modification of polytetrafluoroethylene, mostly by plasma processing method, convenient operation, significantly reduce the wastewater treatment.
因此，目前对于聚四氟乙烯表面的活化处理，大多采用等离子体处理法进行，操作方便，还明显减少了废水处理。
The Horizontal Type Invert Umbrella Surface Aerator is a vertical-shaft and low-speed aerator. It can be used in the biochemical treatment of municipal sewage and industrial wastewater.
卧式倒伞型表面曝气机为垂直轴低速曝气机，可广泛用于城市污水和各种工业废水的生化处理。
Its application in various fields such as modern separation technology, biomedicine, catalysis, papermaking, surface modification and treatment of wastewater is reviewed.
综述了聚乙烯胺在现代分离技术、生物医学、催化以及造纸、表面改性、污水处理等领域的应用。
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