Fe doped γ-MnO2 of anode for lead release inhibition in zinc electrowinning

Feilong Zhang,Ning Duan,Jiane Zuo,Linhua Jiang,Jianhui Li,Siwei Zhuang,Yong Liu,Fuyuan Xu

Chemical Engineering Journal（2023）

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摘要

•Fe2+ reconstructs the film structure along with γ-MnO2 co-deposition.•Fe2+ stimulates the formation of γ-MnO2 with more oxygen vacancies and Mn3+.•Anodic film with Mn3+ and oxygen vacancy accelerated OER and inhibit Pb release.•The total plate anode slime reduction rate of Pb/Fe-MnO2 was reached at 90%.

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关键词

zinc electrowinning,lead release inhibition,anode

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