High-Efficient removal of mercury in water by the flexible NH2-MIL-53(Al): Exploiting the gate opening effect

Meipeng Jian, Xiaoqin Yang,Congxin Huang,Chaochun Tang,Xiwang Zhang,Ruiping Liu,Haiyan Li

Chemical Engineering Journal（2024）

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摘要

•Flexible MOF NH2-MIL-53(Al) can largely enhance the adsorption capacity towards Hg(II)based on a gate-opening effect.•Large-pore NH2-MIL-53(Al) could achieve much faster Hg(II) uptake than narrow-pore NH2-MIL-53(Al).•Amino groups and oxygen centers provides affinity sites in the Hg(Ⅱ) removal.•The size of the nanopore has a direct influence on diffusivity of Hg(Ⅱ) transport via molecular dynamics simulation.

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关键词

Metal-organic framework,Hg(II) removal,Gate opening,Flexible pores

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