Abstract
Hybrid heterojunctioncatalysts dramatically improve the pharmaceutical wastewater treatment potential. Herein, a Fe3O4/ biomass porous carbon (Fe3O4/BPC) nanocatalyst was synthesized by chemical precipitation and high-temperature calcination. Biomass porous carbon as a carrier material can well disperse Fe3O4 nanoparticles and avoid their agglomeration, so that the Fe3O4@BPC nanocatalysts exhibit excellent catalytic degradation performance. The removal of NOR in ultrasound/Fe3O4/BPC/PMS oxidation system could reach 96.6%. After 4 cycles, the degradation could still reach 70%. Mechanism analysis suggests that SO4·- played predominant roles in the advanced oxidation process.
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