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Enhanced coagulation for mitigation of disinfection by-product precursors: A review
Wang, Pin; Ding, Shunke; Xiao, Rong; An, Guangyu; Fang, Chao; Chu, Wenhai
2021
Source PublicationADVANCES IN COLLOID AND INTERFACE SCIENCE
ISSN0001-8686
Volume296Pages:-
AbstractThe unintended formation of disinfection by-products (DBPs) has received considerable attention as it may pose risks to human health. Coagulation is the most common process for removing particulates as well as dissolved organic matter (DOM) (i.e., DBP precursors) during drinking water and wastewater treatments. With the improvement of water quality standards and the increased fluctuation in source water quality, conventional coagulation becomes challenging. Thus, significant efforts have been made to enhance coagulation to promote the removal of DOM in source water and mitigate the formation of DBPs in drinking water. This review provides a brief summary of the properties of DBP precursors and summarizes the effectiveness of enhanced coagulation involving three types of coagulants (metal-based coagulants, organic polymers, and organic-inorganic hybrid coagulants) in controlling the formation of DBPs during chlor(am)ination disinfection. Metal-based coagulants can achieve a reduction in DBP formation potential of approximately 20%-60% in natural water under enhanced coagulation conditions. Both the organic polymers (used as coagulant aids) and novel hybrid coagulants increase the removal of DOM and exhibit high potential for mitigating DBP formation. In addition, integrated treatments combining coagulation with other treatment processes (e.g., oxidation, membrane filtration, ion exchange, and adsorption) to enhance DBP precursor removal are evaluated in terms of performance, mechanisms, and features. Advanced treatments, such as membrane filtration and activated carbon adsorption, are effective coagulation-assisted processes, and can further control chlorinated DBPs; however, the elevated formation of bromate or highly brominated DBPs is of particular concern.
Department环境水质学国家重点实验室
KeywordEnhanced coagulation Disinfection by-products Drinking water Trihalomethanes Haloacetic acids
WOS Research AreaChemistry, Physical
Document Type期刊论文
Identifierhttps://ir.rcees.ac.cn/handle/311016/45936
Collection环境水质学国家重点实验室
Affiliation1.Tongji Univ, State Key Lab Pollut Control & Resources Reuse, Coll Environm Sci & Engn, Shanghai 200092, Peoples R China
2.Tongji Univ, Minist Educ, Key Lab Yangtze River Water Environm, Shanghai 200092, Peoples R China
3.Tongji Univ, Int Joint Res Ctr Sustainable Urban Water Syst, Shanghai 200092, Peoples R China
4.Chinese Acad Sci, Res Ctr Ecoenvironm Sci, State Key Lab Environm Aquat Chem, Beijing 100085, Peoples R China
Recommended Citation
GB/T 7714
Wang, Pin,Ding, Shunke,Xiao, Rong,et al. Enhanced coagulation for mitigation of disinfection by-product precursors: A review[J]. ADVANCES IN COLLOID AND INTERFACE SCIENCE,2021,296:-.
APA Wang, Pin,Ding, Shunke,Xiao, Rong,An, Guangyu,Fang, Chao,&Chu, Wenhai.(2021).Enhanced coagulation for mitigation of disinfection by-product precursors: A review.ADVANCES IN COLLOID AND INTERFACE SCIENCE,296,-.
MLA Wang, Pin,et al."Enhanced coagulation for mitigation of disinfection by-product precursors: A review".ADVANCES IN COLLOID AND INTERFACE SCIENCE 296(2021):-.
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