2007 Volume 1 Issue 11
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Gong Xuemin, Peng Xianjia, Luan Zhaokun. Preparation of carbon nanotubes sol and its application for removal of endrin from water[J]. Chinese Journal of Environmental Engineering, 2007, 1(11): 6-9.
Citation: Gong Xuemin, Peng Xianjia, Luan Zhaokun. Preparation of carbon nanotubes sol and its application for removal of endrin from water[J]. Chinese Journal of Environmental Engineering, 2007, 1(11): 6-9.
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Preparation of carbon nanotubes sol and its application for removal of endrin from water

  • 1.

    State Key Laboratory of Environmental Aquatic Chemistry, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085；2. School of Chemical and Environmental Engineering, China University of Mining and Technology (Beijing), Beijing 100083

  • Accepted Date: 15/08/2007
    Fund Project:
  • Carbon nanotubes (CNTs) sol was prepared by oxidation using strong acid and used for removal of low concentration endrin, a kind of persistent organic pollutants (POPs). Scanning electron microscopy observation shows that, after oxidation, the CNTs clusters were dispersed and the tubes were broken up. The adsorption experimental results show that the CNTs sol has good adsorption properties for removal of endrin. The optimized pH is 6 and the removal efficiency of CNTs sol from 18 μg/L endrin solution reaches 100%. Humic substance in water enhances the removal. The adsorption isotherm of endrin to CNTs sol is linear and the removal efficiency of CNTs sol is higher than that of as-prepared CNTs. After adsorption, the dispersed CNTs can be separated from water using 0.05 mmol/L AlCl3.
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Preparation of carbon nanotubes sol and its application for removal of endrin from water

  • Accepted Date: 15/08/2007
Fund Project:

Abstract: Carbon nanotubes (CNTs) sol was prepared by oxidation using strong acid and used for removal of low concentration endrin, a kind of persistent organic pollutants (POPs). Scanning electron microscopy observation shows that, after oxidation, the CNTs clusters were dispersed and the tubes were broken up. The adsorption experimental results show that the CNTs sol has good adsorption properties for removal of endrin. The optimized pH is 6 and the removal efficiency of CNTs sol from 18 μg/L endrin solution reaches 100%. Humic substance in water enhances the removal. The adsorption isotherm of endrin to CNTs sol is linear and the removal efficiency of CNTs sol is higher than that of as-prepared CNTs. After adsorption, the dispersed CNTs can be separated from water using 0.05 mmol/L AlCl3.

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