Cited by 148Per- and polyfluoroalkyl substances researchAdvanced oxidation water treatmentEnvironmental remediation with nanomaterials

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Electrochemical oxidation processes for PFAS removal from contaminated water and wastewater: fundamentals, gaps and opportunities towards practical implementation

Veciana, Mersabel, Bräunig, Jennifer, Farhat, Ali, Pype, Marie-Laure, Freguia, Stefano, Carvalho, Gilda, Keller, Jürg, Ledezma, Pablo·2022·Journal of Hazardous Materials

DOI 10.1016/j.jhazmat.2022.128886

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Abstract

Electrochemical oxidation (EO) is emerging as one of the most promising methods for the degradation of recalcitrant per- and poly-fluoroalkyl substances (PFASs) in water and wastewater, as these compounds cannot be effectively treated with conventional bio- or chemical approaches. This review examines the state of the art of EO for PFASs destruction, and comprehensively compares operating parameters and treatment performance indicators for both synthetic and real contaminated water and wastewater media. The evaluation shows the need to use environmentally-relevant media to properly quantify the effectiveness/efficiency of EO for PFASs treatment. Additionally, there is currently a lack of quantification of sorption losses, resulting in a likely over-estimation of process' efficiencies. Furthermore, the majority of experimental results to date indicate that short-chain PFASs are the most challenging and need to be prioritized as environmental regulations become more stringent. Finally, and with a perspective towards practical implementation, several operational strategies are proposed, including processes combining up-concentration followed by EO destruction.

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Authors: Veciana, M., Bräunig, J., Farhat, A., Pype, M.-L., Freguia, S., Carvalho, G., Keller, J., & Ledezma, P.
Affiliations: The University of Queensland (AU)
The University of Melbourne (AU)
Corresponding author: Veciana, Mersabel
Ledezma, Pablo
ORCID: Veciana, Mersabel
Bräunig, Jennifer
Farhat, Ali
Pype, Marie-Laure
Freguia, Stefano
Carvalho, Gilda
Keller, Jürg
Ledezma, Pablo
Venue: Journal of Hazardous Materials
Publisher: Elsevier BV
Published: 2022-07
Volume: 434
Pages: 128886
ISSN: 0304-3894 (ISSN-L)
DOI: 10.1016/j.jhazmat.2022.128886
OpenAlex: W4223628807
Cited by: 148
References: 139
Citations by year: 2026: 42 · 2025: 50 · 2024: 29 · 2023: 21 · 2022: 6
FWCI: 1.88
Type: journal article
Language: en
Open access: closed
Licence: www.elsevier.com/tdm/userlicense/1.0/ (tdm)
www.elsevier.com/legal/tdmrep-license (tdm)
doi.org/10.15223/policy-017 (stm-asf)
doi.org/10.15223/policy-037 (stm-asf)
doi.org/10.15223/policy-012 (stm-asf)
doi.org/10.15223/policy-029 (stm-asf)
doi.org/10.15223/policy-004 (stm-asf)
Locations: Journal of Hazardous Materials (publishedVersion)
PubMed (publishedVersion)
Funders: Australian Research Council (SR180100027)
Topics: Physical Sciences › Environmental Science › Environmental Chemistry › Per- and polyfluoroalkyl substances research
Physical Sciences › Environmental Science › Water Science and Technology › Advanced oxidation water treatment
Physical Sciences › Environmental Science › Environmental Engineering › Environmental remediation with nanomaterials
Keywords: electrochemical oxidation, per- and polyfluoroalkyl substances, PFAS removal, contaminated water treatment, wastewater treatment, recalcitrant pollutants, short-chain PFASs, treatment efficiency
MeSH terms: Fluorocarbons, Water, Water Pollutants, Chemical, Water Purification, Wastewater

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Electrochemical oxidation processes for PFAS removal from contaminated water and wastewater: fundamentals, gaps and opportunities towards practical implementation

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