β-Cyclodextrin functionalized graphene oxide: an efficient and recyclable adsorbent for the removal of dye pollutants |
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| Authors: | Shanshan WANG Yang LI Xiaobin FAN Fengbao ZHANG Guoliang ZHANG |
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| Affiliation: | Department of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China |
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| Abstract: | A novel method for the preparation of β-cyclodextrin grafted graphene oxide (GO-β-CD) has been developed. The GO-β-CD was characterized by Fourier transform infrared spectroscopy, 13C NMR spectroscopy, Raman spectroscopy and thermogravimetric analysis. The ability of GO-β-CD to remove fuchsin acid from solution was also studied. The GO-β-CD had an excellent adsorption capacity for fuchsin acid and could be recycled and reused. The adsorption capacities of GO-β-CD for other dye pollutants such as methyl orange and methylene blue were also investigated. The absorption capacities for the three dyes are in the order: fuchsin acid>methylene blue>methyl orange. |
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| Keywords: | graphene oxide β-cyclodextrin adsorption capacity recycle |
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