Magnetic nano-size normal spinel-ZnFe2O4 and inverse spinel-MnFe2O4 for catalytic ozonation: Performance and mechanism

Xiaoguang Jin,Zhang Wu,Chunli Wan,Jiane Zuo,Yuexi Zhou,Xiangmiao Tian,Panxin Wang,Chuanzhi Sun,Changyong Wu

Separation and Purification Technology（2023）

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摘要

•Normal spinel-ZnFe2O4 and inverse spinel-MnFe2O4 showed opposite catalytic ability.•ZnFe2O4 catalyzes ozone to generate •OH through abundant surface hydroxyl group.•MnFe2O4 catalyzes ozone to generate •O2– through its higher electron transport capacity.•ZnFe2O4 is efficient in phenol decomposition while MnFe2O4 is for oxalic acid.

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关键词

Normal spinel-ZnFe2O4,Inverse spine-MnFe2O4,Catalytic ozonation,DFT,Catalytic mechanism

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