Suspect and Nontarget Screening of Per- and Polyfluoroalkyl Substances in Wastewater from a Fluorochemical Manufacturing Park.

Environmental Science & Technology
Yi WangSi Wei

Abstract

Although per- and polyfluoroalkyl substances (PFASs) have always been a key issue in the global environmental field, there are still a lot of undiscovered PFASs in the environment due to new PFAS alternatives developed by manufacturers. Wastewater treatment plants (WWTPs), as one of the sources for PFASs, are an important part of the process of releasing new PFASs into the environment. In this study, suspect screening and PFAS homologue analysis with quadrupole time-of-flight tandem mass spectrometry were used to discover PFASs in wastewater from a WWTP near Yangtze River. Fifteen classes with 90 PFASs were identified, including 12 legacy PFASs (2 classes), 41 previously reported PFASs (7 classes), and 37 new PFASs (6 classes), and 18 of these PFASs were also detected in the nearby Yangtze River. Only 1 PFAS class was removed through the treatment processes (fold change < 1/6). Conversely, 4 PFAS classes increased through the treatment processes (fold change > 6), which could be the transformation products of PFAS precursors. These results implied that most discovered PFASs were not effectively removed in the WWTP. Chlorine-substituted perfluoroalkyl carboxylates (Cl-PFCAs) as the main component of wastewater were detected only...Continue Reading

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Citations

Oct 3, 2019·Environmental Science. Processes & Impacts·Bo ShaZhanyun Wang
Sep 11, 2019·Water Environment Research : a Research Publication of the Water Environment Federation·Archie NgLokesh P Padhye
Jul 2, 2019·International Journal of Phytoremediation·Melanie L Hedgespeth, Elizabeth Guthrie Nichols
Jan 11, 2020·Analytical and Bioanalytical Chemistry·Boris Bugsel, Christian Zwiener
Oct 31, 2020·Environmental Science. Processes & Impacts·Juliane GlügeZhanyun Wang
Nov 16, 2020·Water Environment Research : a Research Publication of the Water Environment Federation·Lloyd J WinchellKatherine Y Bell
Jan 20, 2020·The Science of the Total Environment·Brian NgPiero R Gardinali
Apr 30, 2021·Analytical Methods : Advancing Methods and Applications·B González-GayaO Zuloaga
Jul 10, 2021·Analytical and Bioanalytical Chemistry·Boris BugselChristian Zwiener
Jan 7, 2020·Environmental Science & Technology·Xiaowei SongYaqi Cai
Mar 13, 2020·Environmental Science & Technology·Kyra M SpaanJonathan P Benskin
Nov 15, 2021·The Science of the Total Environment·Yubo LiJuan Wang
Nov 30, 2021·Analytical Chemistry·Benjamin J PlaceAntony J Williams

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