Membrane fouling is analyzed, and that concentration polarization, cake layer and pore blocking are main reasons of membrane fouling are pointed out.
对膜污染问题进行了研究，指出浓差极化、滤饼层形成和膜孔堵塞是造成膜污染的主要原因。
The infiltration rate of NC membrane would be affected by using skimmed milk powder as a blocking agent because the pore of NC membrane was easily plugged by milk powder particles.
同时发现使用脱脂奶粉做封闭剂封闭后，由于奶粉颗粒易堵塞NC膜的孔径，影响NC膜的渗滤速度；
The infiltration rate of NC membrane would be affected by using skimmed milk powder as a blocking agent because the pore of NC membrane was easily plugged by milk powder particles.
同时发现使用脱脂奶粉做封闭剂封闭后，由于奶粉颗粒易堵塞NC膜的孔径，影响NC膜的渗滤速度；
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