Correlations of relevant membrane foulants with UF membrane fouling in different waters

被引:185
作者
Tian, Jia-yu [1 ,2 ]
Ernst, Mathias [3 ]
Cui, Fuyi [1 ]
Jekel, Martin [2 ]
机构
[1] Harbin Inst Technol, State Key Lab Urban Water Resource & Environm, Harbin 150090, Peoples R China
[2] Tech Univ Berlin, Dept Water Qual Control, D-10623 Berlin, Germany
[3] Tech Univ Hamburg, Inst Water Resources & Water Supply, D-21073 Hamburg, Germany
基金
中国国家自然科学基金;
关键词
Ultrafiltration (UF); Water treatment; Membrane fouling; Biopolymer; Humic substance; Particulate matter; NATURAL ORGANIC-MATTER; LOW-PRESSURE MEMBRANES; PRINCIPAL COMPONENT ANALYSIS; DEAD-END ULTRAFILTRATION; INDIRECT POTABLE REUSE; DOMESTIC WASTE-WATER; DRINKING-WATER; SURFACE-WATER; FILTRATION; PRETREATMENT;
D O I
10.1016/j.watres.2012.11.043
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Correlations between potential fouling-relevant substances and membrane fouling during ultrafiltration (UF) of different waters were investigated, including water samples from Lake Tegel, from a Berlin canal (Landwehrkanal) and from a wastewater treatment plant (WWTP) secondary effluent. The biopolymers quantified with liquid chromatography-organic carbon detection (LC-OCD) showed a remarkable correlation with UF membrane fouling for all the three water sources at different seasons. This finding suggests that the biopolymer content in water can be employed as a universal indicator for predicting membrane fouling potential in UF processes. The particulate matter in the two surface waters Lake Tegel and Berlin canal, as characterized by suspended solids and turbidity, also exhibited a distinct correlation with UF membrane fouling, although its correlation was slightly weaker than that of biopolymers. However, the humic substances, which are generally believed to be major membrane foulants, did not show any reliable correlation with the UF membrane fouling of the different waters. This work may provide useful information for the development of optimized fouling control strategies for sustainable UF operation. (C) 2012 Elsevier Ltd. All rights reserved.
引用
收藏
页码:1218 / 1228
页数:11
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