The DOI matches its Crossref record; 10 of the 10 references it cites were found in a registry or an index.
Efficient electrochemical degradation of poly- and perfluoroalkyl substances (PFASs) from the effluents of an industrial wastewater treatment plant
Open accessAbstract
Abstract This paper reports the electrochemical treatment of poly- and perfluoroalkyl substances (PFASs) in the effluent from an industrial wastewater treatment plant (WWTP). While most of the previous research focused on the electrochemical degradation of perfluorooctanoic acid and perfluorooctane sulfonate in model solutions, this work studies the simultaneous removal of 8 PFASs at environmentally relevant concentrations in real industrial emissions, which also contained organic matter and inorganic anions. The overall PFASs content in the WWTP effluent was 1652 µg/L, which emphasized the need to develop innovative technologies for the management of PFASs emissions. 6:2 fluorotelomer sulfonamide alkylbetaine (6:2 FTAB) and 6:2 fluorotelomer sulfonate (6:2 FTSA) were the major contributors (92% w/w) to the overall PFASs content, that also contained significant amounts of short-chain perfluorocarboxylic acids (PFCAs). Using a boron doped diamond (BDD) anode of 0.0070 m 2 , the effluent (2 L) was treated by applying a current density of 50 mA/cm 2 for 10 h, that resulted in 99.7% PFASs removal. The operation at lower current densities (5 and 10 mA/cm 2 ) evidenced the initial degradation of 6:2 fluorotelomers into perfluoroheptanoic and perfluorohexanoic acids, that were later degraded into shorter chain PFCAs. The high TOC removal, >90%, and the fluoride release revealed that PFASs mineralization was effective. These results highlight the potential of the electrochemical technology for the treatment of PFASs contained in industrial wastewaters, which nowadays stands as the main source of this group of persistent pollutants into the environment.
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Cites
Persistence of Perfluoroalkyl Acid Precursors in AFFF-Impacted Groundwater and Soil
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Cited by
Lenka, S. P., Kah, M., & Padhye, L. P. (2021) · Water Research · doi:10.1016/j.watres.2021.117187 · Cited by 755
Li, F., Duan, J., Tian, S., Ji, H., Zhu, Y., Wei, Z., & Zhao, D. (2020) · Chemical Engineering Journal · doi:10.1016/j.cej.2019.122506 · Cited by 707
A review of emerging technologies for remediation of PFASs
Ross, I., McDonough, J., Miles, J., Storch, P., Thelakkat Kochunarayanan, P., Kalve, E., Hurst, J., S. Dasgupta, S., & Burdick, J. (2018) · Remediation Journal · doi:10.1002/rem.21553 · Cited by 606
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Physico-Chemical Processes for the Treatment of Per- And Polyfluoroalkyl Substances (PFAS): A review
Nzeribe, B. N., Crimi, M., Mededovic Thagard, S., & Holsen, T. M. (2019) · Critical Reviews in Environmental Science and Technology · doi:10.1080/10643389.2018.1542916 · Cited by 314
Metadata
- Authors
- Gomez-Ruiz, B., Gómez-Lavín, S., Diban, N., Boiteux, V., Colin, A., Dauchy, X., & Urtiaga, A.
- Venue
- Chemical Engineering Journal
- Publisher
- Elsevier BV
- Published
- 2017-08
- Volume
- 322
- Pages
- 196-204
- ISSN
- 1385-8947 (ISSN-L)
- OpenAlex
- W2604422958
- Cited by
- 174
- References
- 10
- FWCI
- 8.79
- Type
- journal article
- Language
- en
- Open access
- green
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- Gomez-Ruiz, B., Gómez-Lavín, S., Diban, N., Boiteux, V., Colin, A., Dauchy, X., & Urtiaga, A. (2017). Efficient electrochemical degradation of poly- and perfluoroalkyl substances (PFASs) from the effluents of an industrial wastewater treatment plant. Chemical Engineering Journal. https://doi.org/10.1016/j.cej.2017.04.040
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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