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Distribution and fate of perfluoroalkyl substances in municipal wastewater treatment plants in economically developed areas of China
Key Laboratory of Animal Ecology and Conservation Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China.
Key Laboratory of Animal Ecology and Conservation Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China.
Environmental Measurement Group, National Institute of Advanced Industrial Science and Technology, Tsukuba, Japan.
Environmental Measurement Group, National Institute of Advanced Industrial Science and Technology, Tsukuba, Japan; State Key Laboratory in Marine Pollution, Department of Biology and Chemistry, City University of Hong Kong, Hong Kong, China.ORCID-id: 0000-0001-6800-5658
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2013 (engelsk)Inngår i: Environmental Pollution, ISSN 0269-7491, E-ISSN 1873-6424, Vol. 176, s. 10-17Artikkel i tidsskrift (Fagfellevurdert) Published
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Abstract [en]

Wastewater treatment plants (WWTPs) are a significant source for poly-/perfluoroalkyl substances (PFASs) entering the environment. The presence of PFASs in twenty-eight municipal WWTPs from eleven cites in economically developed areas of China were screened. Overall, perfluorooctanoic acid (PFOA) and perfluorooctane sulfonic acid (PFOS) were dominant in wastewater and sludge, and were not effectively removed during wastewater treatment. Elevated influent concentration ratios of perfluorobutanoic acid (PFBA) to PFOA and perfluorobutane sulfonate (PFBS) to PFOS in some WWTPs suggested that short chains substitution were adopted in these cities. Cluster analysis showed treatment processes had important impacts on PFASs profiles in effluent and sludge. Average concentration of total PFCAs in influent from each city and its gross domestic product (GDP) had significant positive correlation. This study provides a snapshot of both domestic and industrial discharges of PFAS to WWTPs as well as PFAS discharge from WWTPs to the aquatic environment in China.

sted, utgiver, år, opplag, sider
Elsevier, 2013. Vol. 176, s. 10-17
Emneord [en]
Economically developed areas of China; Fate; Municipal wastewater treatment plants; Perfluoroalkyl substances
HSV kategori
Forskningsprogram
Miljövetenskap
Identifikatorer
URN: urn:nbn:se:oru:diva-49968DOI: 10.1016/j.envpol.2012.12.019ISI: 000317028800002PubMedID: 23410673Scopus ID: 2-s2.0-84873658091OAI: oai:DiVA.org:oru-49968DiVA, id: diva2:950436
Merknad

Funding Agency:

National Natural Science Foundation of China 31025006 20837004

Tilgjengelig fra: 2016-07-29 Laget: 2016-04-28 Sist oppdatert: 2018-08-27bibliografisk kontrollert

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Yeung, Leo W. Y.Lam, Paul K. S.Li, XinhaiDai, Jiayin

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