Homogeneous photocatalytic degradation of sulfamethazine induced by Fe(III)-carboxylate complexes: Kinetics, mechanism and products

Zhuozhi Ouyang,Chen Yang,Junheng He,Qian Yao,Bijie Zhang,Hanming Wang,Yu Jiang,Jini Zhou,Yurong Deng, Yanjun Liu,Jingjing Yang,Guining Lu,Zhi Dang

Chemical Engineering Journal（2020）

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摘要

•The photolysis was highly induced by Fe(III) with citric, tartaric or malic acid.•The SMT couldn’t influence the complexation between Fe(III) and three carboxylate.•The species of ·OH played a significant role in the photocatalytic degradation of SMT.•An interaction among ROS, Fe(III)-carboxylate complexes and SMT was first proposed.•Four degradation pathways were presented based on identified products by UPLC-QTOF/MS.

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关键词

Antibiotic,Photolysis,Reactive oxygen species,Fenton-like reaction,Application

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