Effect of ozone on microfiltration as a pretreatment of seawater reverse osmosis

被引：27

作者：

Oh, Byung Soo ^{[2
]}

Jang, Ha Young ^{[1
]}

Cho, Jaeweon

Lee, Sungyun ^{[3
]}

Lee, Eunkyung ^{[3
]}

Kim, In S. ^{[2
]}

Hwang, Tae Mun ^{[4
]}

Kang, Joon-Wun ^{[1
]}

机构：

[1] Yonsei Univ, Dept Environm Engn, YIEST, Seoul 120749, South Korea

[2] GIST, Ctr Seawater Desalinat Plant, Kwangju 500712, South Korea

[3] GIST, Dept Environm Sci & Engn, Kwangju 500712, South Korea

[4] Korea Inst Construct Technol, Water Resources & Environm Res Div, Goyang City, Gyeonggi Do, South Korea

来源：

DESALINATION | 2009年 / 238卷 / 1-3期

关键词：

Desalination; Microfiltration; Ozone; Seawater; Pre-treatment; Fouling; MEMBRANE; OZONATION; SYSTEM; WATER;

D O I：

10.1016/j.desal.2008.01.039

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

The main purpose of this study is to evaluate a combined ozone and microfiltration (MF) membrane process as pre-treatment of a seawater reverse osmosis (SWRO) system. During the filtration of seawater (SW) with the MF membranes, membrane fouling on both hydrophilic (PHI) and hydrophobic (PHO) MF membranes (PVDF, 0.22 mu m pore size) was investigated by measuring the variation of flux. A significant decline of flux was observed in both PHI and PHO membranes, showing much higher fouling in the PHO membrane than the PHI membrane, with and without pre-filtration. Ozonation of the SW was performed to investigate the effect of ozone on fouling of the MF membrane. Reduction of membrane fouling by ozone occurred in only the PHO membrane. In the case of the PHI membrane, pre-ozonation of the SW led to more severe fouling during filtration than was the case for non-ozonated SW.

引用

页码：90 / 97

页数：8

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