首页|Removal of Toxic Dyes and Paraquat by a Dual-Functional Metal-Organic Framework
Removal of Toxic Dyes and Paraquat by a Dual-Functional Metal-Organic Framework
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NSTL
Environmental contamination due to organic pollutants including organic dyes(e.g.,methylene blue(MB))and paraquat(i.e.,methyl viologen(MV))has become a serious problem.Herein,the removal for toxic cations of methylene blue(MB+)and methyl viologen(MV~(2+))has been realized by a three-dimensional(3D)anionic microporous metal-organic framework,namely[Me2NH2][In(TDC)2]·1.5DMA·H2O(FJSM-InMOF).FJSM-InMOF is capable of selectively adsorbing MB+in the presence of various dyes due to the effects of size-exclusion and charge-matching.Particularly,the strategy of combining adsorption and photocatalytic degradation realizes the thorough treatment of MB+,which has been rarely reported.The adsorbent material can be easily regenerated and reused.Moreover,FJSM-InMOF exhibits a high capacity and rapid kinetics towards more toxic MV2+.This work poses a new way for the selective removal of cationic organic pollutants and highlights the significance of combining different methods for the decontamination of organic pollutants.
Department:State Key Laboratory of Structural Chemistry,Fujian Institute of Research on the Structure of Matter Chinese Academy of Sciences 350001 Fu Zhou China
NSTL
