Dissolved Organic Carbon Source Impact on Perfluoroalkyl Substances Removal from Stormwater Using Activated Carbon and Ion Exchange Resin.

ABSTRACT: The capture and recharge of urban stormwater can augment water supplies in dry regions. To safely use urban runoff, it is necessary to remove harmful trace organic contaminants, especially perfluoroalkyl substances (PFASs). This study assesses the removal of six PFASs from synthetic stormwater with dissolved organic carbon (DOC) derived from straw and compost, which are representative materials observed in stormwater catch basins. Activated carbon (AC) and ion-exchange resin (IX) alone or in tandem are used to assess the impact of DOC on the sorbent performance and lifetime. PFAS breakthrough profiles in column studies are used to model contaminant removal via a 1-D intraparticle pore diffusion model, which is then used to predict contaminant removal under varying environmental conditions.

SUBMITTER: Brown CA 

PROVIDER: S-EPMC12810382 | biostudies-literature | 2026 Jan

REPOSITORIES: biostudies-literature