超滤膜表面预沉积吸附剂对膜污染的缓解作用

Cui-min FENG,Jun-nan GE,Li-hua SUN,Xin-rui ZHANG,Jiong ZHANG

Science Technology and Engineering（2018）

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Abstract

选择三种含铁吸附剂FeOxHy、Fe3O4和MnFe2O4,分别预沉积到超滤膜表面的方式,通过对比3种蛋白质引起的膜通量变化;并分析超滤膜表明形态,探究超滤过程中蛋白质对膜污染的作用以及吸附剂对缓解膜污染的效果.试验结果表明:鸡卵白蛋白(ovalbumin,OVA)造成的膜污染最严重;预沉积MnFe2O4的对OVA的吸附效果,预沉积Fe3O4对OVA的吸附效果较差,对膜污染没有缓解作用.

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