废水处理法是将废水中所含的污染物质分离出来，或将其转化为无害物质，从而使废水得到净化的方法。主要分四类：废水物理处理法、废水化学处理法、废水物理化学处理法和废水生物处理法。
食品工业废水处理方法 DAF Vs MRB
废水需氧生物处理法 biological aerobic treatment of wastewater
废水处理活性污泥法 activated sludge process
废水臭氧氧化处理法 ozonation treatment of wastewater
针对这种污染，近年来出现了多种养猪场废水处理法，其中研究和应用最广的是生物处理法。
Aimed at this case, many methods of waste water were developed in recent years, among these, biotreatment is the studying and application widest method.
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。
Therefore, the activation of the surface modification of polytetrafluoroethylene, mostly by plasma processing method, convenient operation, significantly reduce the wastewater treatment.
对磷矿废水处理的发展趋势进行了探讨，给出了生物处理法的简易流程，并就防治废水污染提出了几点建议。
The developing trend of microbial treatment and flow chart is discussed, then, some suggestion is provided to prevent wastewater pollution.
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