Investigation of kinetics and mechanism for the degradation of antibiotic norfloxacin in wastewater by UV/H2O2

Chuanxi Yang,Xiaoning Wang,Lingli Zhang,Wenping Dong,Cheng Yang,Xifeng Shi,Yuqi Fan,Ying Wang,Haojie Lv,Weiliang Wang,Yingqiang Zhao

Journal of the Taiwan Institute of Chemical Engineers（2020）

引用 23|浏览8

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摘要

•Inhibition effect order of cations: Cu2+ > Ca2+ > Mg2+•Inhibition effect order of anions: CO32− > NO3− > SO42−•ROS contribution rate order: •OH (72.56%) > 1O2 (24.24%) > other ROS (3.20%)•The active sites of norfloxacin in UV/H2O2 degradation were the piperazine ring and F atom•Binding free energy of DNA gyrase A: norfloxacin (-11.8 kJ/mol) > P1 (-12.8 kJ/mol)

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关键词

UV/H2O2,Norfloxacin,Coexisting ions,Reactive oxygen species,Intermediate products,DNA gyrase A

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