Metal-organic framework preparation using magnetic graphene oxide-beta-cyclodextrin for neonicotinoid pesticide adsorption and removal

文献类型: 外文期刊

第一作者: Liu, Guangyang

作者: Liu, Guangyang;Li, Lingyun;Xu, Donghui;Huang, Xiaodong;Xu, Xiaomin;Zheng, Shuning;Zhang, Yanguo;Lin, Huan

作者机构:

关键词: Metal-organic framework;Magnetic graphene oxide-beta-cyclodextrin;Neonicotinoid insecticide;Adsorption;Removala

期刊名称:CARBOHYDRATE POLYMERS ( 影响因子:9.381; 五年影响因子:8.678 )

ISSN: 0144-8617

年卷期: 2017 年 175 卷

页码:

收录情况: SCI

摘要: A novel magnetic copper-based metal-organic framework (M-MOF) was prepared using a Fe4O3-graphene oxide(GO)-beta-cyclodextrin (beta-CD) nanocomposite as the magnetic core and support, and used for adsorption and removal of neonicotinoid insecticide pollutants from aqueous solution. M-MOF characterization suggested that (Fe4O3)-Fe-1-GO-beta-CD consisted of a thin single layer with anchored Fe3O4. The M-MOF was coated on the Fe4O3-GO-beta-CD surface. The M-MOF had a large Brunauer-Emmett-Teller surface area (250.33 m(2)g(-1)) and high super-paramagnetism with saturation magnetization of 10.47 emu g(-1). Adsorption model analysis showed that the equilibrium data for thiacloprid fitted Langmuir monolayer adsorption and the other insecticides tested showed Freundlich bimolecular layer adsorption. The results show that M-MOF is a promising hybrid adsorbent for rapid removal of neonicotinoid insecticide pollutants from environmental waters. (C) 2017 Published by Elsevier Ltd.

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