Removal of Sulfamethoxazole Using Fe-Mn Biochar Filtration Columns: Influence of Co-existing Polystyrene Microplastics.

ABSTRACT: Emerging contaminants, particularly antibiotics and microplastics (MPs), present significant challenges in wastewater treatment and pose large ecological risks. This study investigates the removal efficiency of sulfamethoxazole (SMX) using Fe-Mn modified biochar (BFM) in fixed bed filtration columns, emphasizing the effect of the presence of polystyrene microplastics (PS-MPs) on SMX behavior in both water (pH≈5.6) and selected wastewater (pH≈8) systems. Batch sorption results show that 10 mg/L SMX in 50 mL water can be completely removed by 100 mg BFM sorbent. The Bed Depth Service Time model indicated the BFM column is feasible for SMX removal in scaled-up continuous wastewater flow operations, while the Yan model best elucidates SMX filtration behavior and suggests the dominant adsorptio

SUBMITTER: Huang J 

PROVIDER: S-EPMC11864291 | biostudies-literature | 2024 Oct

REPOSITORIES: biostudies-literature