This article describes membrane separation mechanisms of microfiltration(MF), ultrafiltration(UF), nanofitration(NF)and reverse osmosis(RO).
描述了微滤、 超滤、纳滤及反渗透薄膜分离机理；
After chemistry cleaning, the fouling layer of Microfiltration can be removed, the membrane flux can be resumed to the initial filter competence.
经过化学清洗后，可将微滤膜污染层清除掉，使水通量恢复到初始过滤水平。
Objective To study the effect of microfiltration-macroporous resin method in purification of oxymatrine and general flavone in sophora flavescens.
目的考察微滤-大孔树脂法精制苦参中氧化苦参碱、苦参总黄酮的效果。
应用推荐