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Conversion of Water-insoluble Aluminum Sources into Metal-organic Framework MIL-53(Al) and its Adsorptive Removal of Roxarsone |
Shuliang HOU1, Huigong LU1, Yifan GU1, Xiaoliang MA1, Yinan WU1( ), Ying WANG2( ), Fengting LI1 |
1 College of Environmental Science and Engineering, State Key Laboratory of Pollution Control and Resource Reuse, Tongji University, 200092, China 2 Department of Chemistry, Shanghai Key Lab of Chemical Assessment and Sustainability, Tongji University, 200092, China |
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Cite this article:
Shuliang HOU, Huigong LU, Yifan GU, Xiaoliang MA, Yinan WU, Ying WANG, Fengting LI. Conversion of Water-insoluble Aluminum Sources into Metal-organic Framework MIL-53(Al) and its Adsorptive Removal of Roxarsone. Chinese Journal of Materials Research, 2017, 31(7): 495-501.
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Abstract The MIL-53(Al) was prepared by hydrothermal method from water-insoluble aluminum sources: alumina, aluminum hydroxide, boehmite. The products were characterized by SEM, XRD, N2 sorption and TGA, simultaneously compared with MIL-53(Al) prepared from aluminum nitrate. The results show that the water-insoluble aluminum sources can be good candidates for the synthesis of typical MIL-53(Al), BET surface areas of which are about 700-1000 m2/g. It’s also noticed that there is different framework flexibility of synthesized MIL-53(Al) from water-insoluble and soluble aluminum sources. The framework of MIL-53(Al) prepared from alumina mainly shows large-pore structure and less flexibility. The adsorption behavior of roxarsone on MIL-53(Al) was investigated. MIL-53(Al) prepared from alumina shows better adsorptive performance towards roxarsone. The adsorption of MIL-53(Al) from alumina fits well with secondary dynamic mode.
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Received: 20 December 2016
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Fund: Supported by National Natural Science Foundation of China (Nos. 51203117 & 21305046) and the Fundamental Research Funds for the Central Universities (Nos. 2014KJ007 & 2015KJ001) (Tongji University) |
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