正文
《环境科学与工程前沿(英文)》 >> 2019年 第13卷 第4期 doi: 10.1007/s11783-019-1139-y
Ozonation as an efficient pretreatment method to alleviate reverse osmosis membrane fouling caused by complexes of humic acid and calcium ion
摘要
Humic acids (HA) didn’t cause obvious reverse osmosis (RO) membrane fouling in 45 h. Osmotic pressure (NaCl) affected slightly the RO membrane fouling behavior of HA. Ca2+ promoted aggregation of HA molecules and thus aggravated RO membrane fouling. Ozonation eliminated the effect of Ca2+ on the RO membrane fouling behavior of HA. The change of the structure of HA was related to its membrane fouling behavior.
关键词
Reverse osmosis ; Membrane fouling ; Humic acid ; Ca2+ ; Ozone
正文