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ADSORPTION OF PERFLUOROALKYL AND POLYFLUOROALKYL SUBSTANCES (PFASS) FROM AQUEOUS SOLUTION - A REVIEW
Zhang, D.Q. W.L. Zhang and Y.N. Liang.
Science of The Total Environment 694:133606(2020)
This article reviews the technical feasibility of using different adsorbents, such as activated carbon, ion exchange resins, minerals, molecularly imprinted polymer, carbon nanotubes, and a wide range of potentially low-cost biosorbents, for PFASs removal from water or wastewater. It evaluates and compares their PFAs sorption behavior in terms of kinetics and isotherms; mechanisms involved in PFAS adsorption processes, such as diffusion, electrostatic interaction, hydrophobic interaction, ion exchange, and hydrogen bond; and effects of the variability of the parameters on sorption process. Based on the literature reviewed, the article makes recommendations for future research on PFASs adsorption.
Science of The Total Environment 694:133606(2020)
This article reviews the technical feasibility of using different adsorbents, such as activated carbon, ion exchange resins, minerals, molecularly imprinted polymer, carbon nanotubes, and a wide range of potentially low-cost biosorbents, for PFASs removal from water or wastewater. It evaluates and compares their PFAs sorption behavior in terms of kinetics and isotherms; mechanisms involved in PFAS adsorption processes, such as diffusion, electrostatic interaction, hydrophobic interaction, ion exchange, and hydrogen bond; and effects of the variability of the parameters on sorption process. Based on the literature reviewed, the article makes recommendations for future research on PFASs adsorption.
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