Summary
This review synthesises recent literature on the use of activated carbon for removing per- and polyfluoroalkyl substances (PFAS) from water, with a focus on elucidating how the structural properties of activated carbon — including surface area, porosity, and surface chemistry — govern adsorption performance. The paper likely identifies and critically evaluates emerging mechanistic explanations beyond classical hydrophobic interaction, such as electrostatic, π–π, and ion-exchange interactions. As a contribution to environmental remediation science, it provides a framework for optimising activated carbon-based treatment strategies for PFAS-contaminated water sources.
UK applicability
PFAS contamination of drinking water, agricultural land, and irrigation sources is a recognised and growing concern in the UK, with implications for soil health and food safety in farming systems. The findings of this review are broadly applicable to UK water treatment and land remediation policy, particularly given ongoing regulatory attention to PFAS limits in water under the Environment Agency and the UK's post-Brexit chemical regulation framework.
Key measures
Adsorption capacity (mg/g); removal efficiency (%); surface area (m²/g); pore size distribution; adsorption isotherms; PFAS chain length and functional group effects
Outcomes reported
The study reviews and synthesises advances in understanding how the physicochemical structure of activated carbon influences its capacity to adsorb per- and polyfluoroalkyl substances (PFAS), identifying structure-adsorption relationships and novel mechanistic insights. It likely reports adsorption efficiency metrics, isotherms, and comparisons across different activated carbon types and PFAS compound classes.
Topic tags
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