Ultra-rapid fluoride removal by magnetic calcium-doped layered yttrium hydroxides at environmental-relevant concentrations

Ying Liang,Fengjie Chen, Ting Yu,Yubo Yan,Zhen Zhou,Yong Liang,Yawei Wang

Chemical Engineering Science（2023）

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摘要

•Magnetic γ-Fe2O3/Ca-Y LRHs were successfully synthesized.•Electrostatic and ion exchange interactions are involved in the F- removal process.•OH–, H2O and Cl- in interlayer spaces were the main ligands to be replaced by F-.•γ-Fe2O3/4Ca-Y LRHs has ability to remove F- in a real aquatic environment.

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关键词

Fluoride contamination,Magnetic γ-Fe2O3/Ca-Y LRHs,Ultra-rapid and efficient removal,Adsorption,Ion exchange interactions and Electrostatic

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