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Journal of Zhejiang University SCIENCE A 2010 Vol.11 No.2 P.143-150

http://doi.org/10.1631/jzus.A0900343


Factors influencing the formation of chlorination brominated trihalomethanes in drinking water


Author(s):  Huan WANG, Dong-mei LIU, Zhi-wei ZHAO, Fu-yi CUI, Qi ZHU, Tong-mian LIU

Affiliation(s):  State Key Laboratory of Urban Water Resources and Environments, School of Municipal and Environmental Engineering, Harbin Institute of Technology, Harbin 150090, China; more

Corresponding email(s):   Mei18@hit.edu.cn

Key Words:  Brominated trihalomethanes (THMs-Br), Bromine incorporation factor (BIF), Total THM (TTHM), Chlorination, Predictive model


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Huan WANG, Dong-mei LIU, Zhi-wei ZHAO, Fu-yi CUI, Qi ZHU, Tong-mian LIU. Factors influencing the formation of chlorination brominated trihalomethanes in drinking water[J]. Journal of Zhejiang University Science A, 2010, 11(2): 143-150.

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author="Huan WANG, Dong-mei LIU, Zhi-wei ZHAO, Fu-yi CUI, Qi ZHU, Tong-mian LIU",
journal="Journal of Zhejiang University Science A",
volume="11",
number="2",
pages="143-150",
year="2010",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.A0900343"
}

%0 Journal Article
%T Factors influencing the formation of chlorination brominated trihalomethanes in drinking water
%A Huan WANG
%A Dong-mei LIU
%A Zhi-wei ZHAO
%A Fu-yi CUI
%A Qi ZHU
%A Tong-mian LIU
%J Journal of Zhejiang University SCIENCE A
%V 11
%N 2
%P 143-150
%@ 1673-565X
%D 2010
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.A0900343

TY - JOUR
T1 - Factors influencing the formation of chlorination brominated trihalomethanes in drinking water
A1 - Huan WANG
A1 - Dong-mei LIU
A1 - Zhi-wei ZHAO
A1 - Fu-yi CUI
A1 - Qi ZHU
A1 - Tong-mian LIU
J0 - Journal of Zhejiang University Science A
VL - 11
IS - 2
SP - 143
EP - 150
%@ 1673-565X
Y1 - 2010
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.A0900343


Abstract: 
The formation of brominated trihalomethanes (THMs-Br) which is proved more carcinogenic than their chlorinated analogues reported was very different at various water qualities. This study was performed to assess the effects of water quality parameters (bromide concentration, pH value and ammonia concentration), chlorination conditions (chlorine dose, reaction time) and ratios of Br/DOC and Br/Cl2 consumption on the formation and distribution of THMs-Br in chlorination. The results showed good correlation between the bromine incorporation factor (BIF) n(Br) and Br/Cl2 consumption ratio. The formation of total THM (TTHM) was found to decrease with increasing ammonia concentration but to increase with bromide concentration and pH value. The n(Br) trends were significantly affected by the presence of bromide concentration. The effects on the molar yields of THMs were more strongly influenced by bromide concentration and dissolved organic carbon (DOC) concentration than pH value and natural organic matter (NOM) source. High Br/DOC and Br/Cl2 favor the formation of THMs-Br over chlorinated THMs (THMs-Cl). The experimental data including the main parameters such as bromide, DOC, ammonia, pH and reaction time were used for developing the predictive model for THMs-Br.

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