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Peer-reviewedCC BY 4.0Advanced Science

Adsorption of Forever Chemical Pollutants: The Physical Chemistry of PFAS Near Surfaces

  • Nada Ben Amor
  • Daniela Bauer1
  • Benjamin Braconnier1
  • Benoît Coasne2,3
  1. 1IFPEN - IFP Energies nouvelles (1-4 avenue de Bois Préau92500 Rueil-Malmaison - France)
  2. 2ILL - Institut Laue-Langevin (71 avenue des Martyrs, CS 20156, 38042 GRENOBLE Cedex 9 - France)
  3. 3LIPhy - Laboratoire Interdisciplinaire de Physique [Saint Martin d’Hères] (140 rue de la Physique38058 Grenoble cedex 9 - France)
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Abstract

Due to their persistence, per‐ and polyfluoroalkyl substances (PFAS) raise concerns that challenge current water remediation strategies. While adsorption‐based solutions appear promising, their development is limited by knowledge gaps on PFAS behavior near solid surfaces. This review provides a state of the art on the theoretical and experimental aspects of PFAS adsorption. By adopting a fundamental physical chemistry standpoint, we report recent advances in understanding PFAS adsorption under relevant thermodynamic and chemical conditions. First, we introduce the fundamental interactions involved in the adsorption of individual molecules on surfaces, before addressing collective behaviors such as self‐aggregation, ionic bridging, and competition with organic matter. We also present the thermodynamics and kinetics of PFAS adsorption using classical models. In particular, an accurate definition of the adsorption and desorption rates is given along with the key factors determining the kinetic order (i.e., first‐, second‐ or mixed‐order). Both batch and kinetic adsorption experiments are analyzed to identify the role of surface and PFAS structure and chemistry. Then, we evaluate how environmental factors (pH, salinity, copollutants, organic matter) impact adsorption. We conclude this review by identifying the perspectives in this field.

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Cite

BibTeXRIS
BibTeX
@article{amor2026adsorption,
  title = {{Adsorption of Forever Chemical Pollutants: The Physical Chemistry of PFAS Near Surfaces}},
  author = {Nada Ben Amor and Daniela Bauer and Benjamin Braconnier and Benoît Coasne},
  journal = {Advanced Science},
  year = {2026},
  month = jun,
  doi = {10.1002/advs.75893},
  url = {https://ifp.hal.science/hal-05738820v1},
  note = {CC BY 4.0},
}
RIS
TY  - JOUR
TI  - Adsorption of Forever Chemical Pollutants: The Physical Chemistry of PFAS Near Surfaces
AU  - Nada Ben Amor
AU  - Daniela Bauer
AU  - Benjamin Braconnier
AU  - Benoît Coasne
PY  - 2026
DA  - 2026/06/17
JO  - Advanced Science
DO  - 10.1002/advs.75893
UR  - https://ifp.hal.science/hal-05738820v1
AB  - Due to their persistence, per‐ and polyfluoroalkyl substances (PFAS) raise concerns that challenge current water remediation strategies. While adsorption‐based solutions appear promising, their development is limited by knowledge gaps on PFAS behavior near solid surfaces. This review provides a state of the art on the theoretical and experimental aspects of PFAS adsorption. By adopting a fundamental physical chemistry standpoint, we report recent advances in understanding PFAS adsorption under relevant thermodynamic and chemical conditions. First, we introduce the fundamental interactions involved in the adsorption of individual molecules on surfaces, before addressing collective behaviors such as self‐aggregation, ionic bridging, and competition with organic matter. We also present the thermodynamics and kinetics of PFAS adsorption using classical models. In particular, an accurate definition of the adsorption and desorption rates is given along with the key factors determining the kinetic order (i.e., first‐, second‐ or mixed‐order). Both batch and kinetic adsorption experiments are analyzed to identify the role of surface and PFAS structure and chemistry. Then, we evaluate how environmental factors (pH, salinity, copollutants, organic matter) impact adsorption. We conclude this review by identifying the perspectives in this field.
SN  - 2198-3844
ER  -