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Field study on the transportation characteristics of PFASs from water source to tap water
Chen, Ruya; Li, Guiwei; He, Yitian; Pan, Linlin; Yu, Ying; Shi, Baoyou
2021-06-15
Source PublicationWATER RESEARCH
ISSN0043-1354
Volume198Pages:-
AbstractPerfluoroalkyl substances (PFASs) can occur in water sources, pass through drinking water treatment plants (DWTPs), drinking water distribution systems (DWDSs), to the consumer taps. This investigation was carried out to present the transportation behaviors of 17 PFASs, involving seven DWTPs with different water sources, raw water transportation modes, treatment processes, and DWDS structures in eastern and northern China. The results showed that the long-distance raw water transportation pipelines removed a certain extent of PFASs from raw water, probably due to the accumulation of loose deposits. The long-distance, open-channel South-to-North water diversion increased PFAS contamination risk. In the DWTPs, granular activated carbon (GAC) adsorption and ultraviolet radiation removed less than 25% of PFASs, but ozonation-biological activated carbon (O-3-BAC) was superior to GAC alone in removing PFASs. Loose deposits couldsignificantly influence PFAS accumulation and release within branch-structured DWDSs. In loop-structured DWDSs, finished water with different PFAS characteristics could mix along the pipeline, with the corresponding DWTP as the center, ultimately forming a relatively uniform distribution in the entire DWDS. (C) 2021 Elsevier Ltd. All rights reserved.
Department中国科学院饮用水科学与技术重点实验室
KeywordPerfluoroalkyl substance Raw water transportation mode Drinking water treatment process Drinking water distribution system Transportation characteristics
WOS Research AreaEngineering, Environmental ; Environmental Sciences ; Water Resources
Document Type期刊论文
Identifierhttps://ir.rcees.ac.cn/handle/311016/46213
Collection中国科学院饮用水科学与技术重点实验室
Affiliation1.Chinese Acad Sci, Res Ctr Ecoenvironm Sci, Key Lab Drinking Water Sci & Technol, Beijing 100085, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Chen, Ruya,Li, Guiwei,He, Yitian,et al. Field study on the transportation characteristics of PFASs from water source to tap water[J]. WATER RESEARCH,2021,198:-.
APA Chen, Ruya,Li, Guiwei,He, Yitian,Pan, Linlin,Yu, Ying,&Shi, Baoyou.(2021).Field study on the transportation characteristics of PFASs from water source to tap water.WATER RESEARCH,198,-.
MLA Chen, Ruya,et al."Field study on the transportation characteristics of PFASs from water source to tap water".WATER RESEARCH 198(2021):-.
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