The influence of natural organic matter and cations on the rejection of endocrine disrupting and pharmaceutically active compounds by nanofiltration

被引：52

作者：

Comerton, Anna M. ^{[1
]}

Andyews, Robert C. ^{[1
]}

Bagley, David M. ^{[2
]}

机构：

[1] Univ Toronto, Dept Civil Engn, Toronto, ON M5S 1A4, Canada

[2] Univ Wyoming, Dept Civil & Architectural Engn, Laramie, WY 82071 USA

来源：

WATER RESEARCH | 2009年 / 43卷 / 03期

基金：

加拿大自然科学与工程研究理事会;

关键词：

Endocrine disrupting compounds; Pharmaceutically active compounds; Nanofiltration; Cations; Natural organic matter; WASTE-WATER TREATMENT; DRINKING-WATER; HUMAN HEALTH; MEMBRANE APPLICATIONS; TREATMENT PLANTS; MOLECULAR-SIZE; REMOVAL; CONTAMINANTS; ULTRAFILTRATION; MECHANISMS;

D O I：

10.1016/j.watres.2008.11.003

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The impact of natural organic matter (NOM) and cations on the rejection of five endocrine disrupting compounds (EDCs) and pharmaceutically active compounds (PhACs) (acetaminophen, carbamazepine, estrone, gemfibrozil, oxybenzone) by nanofiltration (NF) was examined. The water matrices included membrane bioreactor (MBR) effluent, Lake Ontario water and laboratory-prepared waters modelled to represent the characteristics of the Lake Ontario water. The impact of cations in natural waters on compound rejection was also examined by doubling the natural cation concentration (calcium, magnesium, sodium) in both the Lake Ontario water and the MBR effluent. The presence of Suwannee River NOM spiked into laboratory-grade water was found to cause an increase in compound NF rejection. in addition, the presence of cations alone in laboratory-grade water did not have a significant impact on rejection with the exception of the polar compound gemfibrozil. However, when cation concentration in natural waters was increased, a significant decrease in the rejection of EDCs and PhACs was observed. This suggests that the presence of cations may result in a reduction in the association of EDCs and PhACs with NOM. (C) 2008 Elsevier Ltd. All rights reserved.

引用

页码：613 / 622

页数：10

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