Enzymatic Degradation of PFAS: Current Status and Ongoing Challenges
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Date
2025-01-14
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ChemSusChem
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Wiley
Melbourne Authors
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School of Chemistry
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Journal Article
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Harris, B. A., Zhou, J., Clarke, B. O. & Leung, I. K. H. (2025). Enzymatic Degradation of PFAS: Current Status and Ongoing Challenges. ChemSusChem, 18 (2), https://doi.org/10.1002/cssc.202401122.
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Abstract
Per- and polyfluoroalkyl substances (PFAS) are often considered the quintessential example of industrial chemical pollution – they are toxic and ubiquitous environmental contaminants that are extremely difficult to degrade. There has been a large research focus on the development of effective and renewable degradation technologies. In comparison to traditional pollutant degradation techniques, such as advanced oxidation processes and electrochemistry, degradation of PFAS using extracellular enzymes offers an eco-friendly solution as enzymes are biodegradable, recyclable and have low energy and chemical requirements. This review outlines the current understanding of extracellular enzymatic degradation of PFAS with a focus on reported results and proposed degradation mechanisms. More importantly, this review highlights limitations that hinder the application of enzymes for PFAS degradation and proposes critical future research that is needed to improve the applicability of this promising remediation strategy.