Non-PFAS-Based Magnetic Polymer Sorbents for Efficient Removal of Perfluorinated Compounds from Landfill Leachate.

ABSTRACT: Per- and polyfluoroalkyl substances (PFAS) are carcinogenic and environmentally persistent contaminants, necessitating their efficient removal to protect environmental and human health. In this study, a series of fluorinated, non-PFAS-based magnetic polymer sorbents is developed for the selective removal of multiple PFAS from landfill leachate containing high levels of co-contaminants. Crosslinked polymer networks are shown to enhance both magnetic separation and PFAS sorption performance. The magnetic sorbent with a higher proportion of quaternary ammonium groups and a lower proportion of fluorinated segments shows improved sorption kinetics for most PFAS and greater sorption capacity for perfluorobutanesulfonic acid (PFBS), the most abundant compound in the tested landfill leachate. Howe

SUBMITTER: Tan X 

PROVIDER: S-EPMC12759220 | biostudies-literature | 2026 Jan

REPOSITORIES: biostudies-literature