Evaluation of DBPs Formation Potential during Chlorination of Dissolved Organic Matter Fractions Isolated from Eutrophic Water

被引：0
|
作者：
Luo, Jinhong [1 ,2 ]
Zheng, Binghui [2 ]
Fu, Qing [2 ]
Zhao, Xingru [2 ]
Liu, Yan [2 ]
Huang, Minsheng [1 ]
Chen, Yuhui [1 ]
机构：
[1] E China Normal Univ, Sch Resource & Environm Sci, Shanghai 200062, Peoples R China
[2] Chinese Res Inst Environm Sci, State Key Lab Environm Criteria & Risk Assessment, Beijing 100012, Peoples R China
来源：
MECHATRONICS AND APPLIED MECHANICS, PTS 1 AND 2 | 2012年 / 157-158卷
关键词：
DOM; Chlorination; Trihalomethanes; Haloacetic acids; Eutrophic water source; DISINFECTION BY-PRODUCTS; DRINKING-WATER; GENOTOXICITY;
D O I：
10.4028/www.scientific.net/AMM.157-158.1680
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Dissolved organic matter (DOM) in water from eutrophic water source was isolated into four classes as hydrophilic substances (HIS), hydrophobic acids (HOA), hydrophobic neutrals (HON), and hydrophobic bases (HOB). The formation of Trihalomethanes (THMs) and Haloacetic acids (HAAs) in chlorination of different DOM fractions was evaluated. The dominate species of THMs and HAAs were chloroform (CF) and trichloroacetic acid (TCAA) in the chlorination of raw water. There were close linear relationship between THMs/HAAs yields and SUVA(254) values. Increasing of contact time and chlorine dosage enhanced the formation of THMs/HAAs yields from different DOM fractions. The increase of pH leads to more formation of THMs, and the highest production of HAAs was observed at pH 7.
引用
收藏
页码：1680 / +
页数：2
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