FORMATION AND EVOLUTION OF HALOACETIC ACIDS IN DRINKING WATER OF BEIJING CITY

The formation and evolution of haloacetic acids (HAAs) in drinking water were examined in five water treatment plants in Beijing City, China. It was found that HAAs in water increased due to prechlorination and postchlorination. The conventional treatment processes removed the HAAs in less than 20%....

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Bibliographic Details
Published in:Journal of environmental science and health. Part A, Toxic/hazardous substances & environmental engineering Toxic/hazardous substances & environmental engineering, 2001-01, Vol.36 (4), p.475-481
Main Authors: Li, Shuang, Zhang, Xiaojian, Liu, Wenjun, Cao, Lili, Wang, Zhansheng
Format: Article
Language:English
Subjects:
Acetates - analysis
Acetates - chemistry
Carbon - chemistry
China
China, Beijing
China, People's Rep., Beijing
Chlorine Compounds - chemistry
Disinfectants
Disinfection by-products
Distribution system
Haloacetic acids
Organic Chemicals - analysis
Water Supply
Water treatment processes
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Summary:The formation and evolution of haloacetic acids (HAAs) in drinking water were examined in five water treatment plants in Beijing City, China. It was found that HAAs in water increased due to prechlorination and postchlorination. The conventional treatment processes removed the HAAs in less than 20%. By comparison, activated carbon bed removed 49-86% of HAAs and was considered to be an effective treatment unit for HAAs removal. The HAAs concentration in distribution system was associated with water sources, especially the total organic carbon in raw water, while its fluctuation appeared small.
ISSN:1093-4529
1532-4117
DOI:10.1081/ESE-100103477