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Characterization of Acidified Opal Shale and Dynamic Adsorption of Toluene

Received: 19 June 2018     Published: 20 June 2018
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Abstract

Different kinds of acidified opal shale powders were obtained through the activation of natural opal shale powders with different concentrations of sulfuric acid. The natural opal shale and different acidified opal shale materials were characterized by X-ray diffraction, Fourier transform infrared spectroscopy, and scanning electron microscopy. It was found that the opal shale has good acid resistance stability. When the sulfuric acid concentration reaches a high concentration of 6 mol/L in the acidification treatment, the opal shale can still maintain its original main silica structure. Natural opal shale is a typical mesoporous material with a BET specific surface area of about 12 nm, but it also contains a small amount of micropores and macropores. Appropriate acid treatment can increase the specific surface area. An excessively high concentration of acid that exceeds 6 mol/L sulfuric acid can destroy the main structure of the cation, resulting in a decrease in the specific surface area. In this paper, the adsorptive breakthrough curves for toluene, dynamic saturated adsorption capacity and other gas adsorption performances of these materials were studied. Finally, the best adsorption material was the 2 mol/L sulfuric acid acidified opal shale at 333K under stirring for 4 hours.

Published in Journal of Energy and Natural Resources (Volume 7, Issue 1)
DOI 10.11648/j.jenr.20180701.16
Page(s) 40-46
Creative Commons

This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2018. Published by Science Publishing Group

Keywords

Opal Shale, Acid Activation, Adsorption of Toluene

References
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  • APA Style

    Mingyue Kou, Wei Zuo, Xiangfu Li, Ruosong Hu, Pan Wang, et al. (2018). Characterization of Acidified Opal Shale and Dynamic Adsorption of Toluene. Journal of Energy and Natural Resources, 7(1), 40-46. https://doi.org/10.11648/j.jenr.20180701.16

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    ACS Style

    Mingyue Kou; Wei Zuo; Xiangfu Li; Ruosong Hu; Pan Wang, et al. Characterization of Acidified Opal Shale and Dynamic Adsorption of Toluene. J. Energy Nat. Resour. 2018, 7(1), 40-46. doi: 10.11648/j.jenr.20180701.16

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    AMA Style

    Mingyue Kou, Wei Zuo, Xiangfu Li, Ruosong Hu, Pan Wang, et al. Characterization of Acidified Opal Shale and Dynamic Adsorption of Toluene. J Energy Nat Resour. 2018;7(1):40-46. doi: 10.11648/j.jenr.20180701.16

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  • @article{10.11648/j.jenr.20180701.16,
      author = {Mingyue Kou and Wei Zuo and Xiangfu Li and Ruosong Hu and Pan Wang and Jixu Zhan},
      title = {Characterization of Acidified Opal Shale and Dynamic Adsorption of Toluene},
      journal = {Journal of Energy and Natural Resources},
      volume = {7},
      number = {1},
      pages = {40-46},
      doi = {10.11648/j.jenr.20180701.16},
      url = {https://doi.org/10.11648/j.jenr.20180701.16},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.jenr.20180701.16},
      abstract = {Different kinds of acidified opal shale powders were obtained through the activation of natural opal shale powders with different concentrations of sulfuric acid. The natural opal shale and different acidified opal shale materials were characterized by X-ray diffraction, Fourier transform infrared spectroscopy, and scanning electron microscopy. It was found that the opal shale has good acid resistance stability. When the sulfuric acid concentration reaches a high concentration of 6 mol/L in the acidification treatment, the opal shale can still maintain its original main silica structure. Natural opal shale is a typical mesoporous material with a BET specific surface area of about 12 nm, but it also contains a small amount of micropores and macropores. Appropriate acid treatment can increase the specific surface area. An excessively high concentration of acid that exceeds 6 mol/L sulfuric acid can destroy the main structure of the cation, resulting in a decrease in the specific surface area. In this paper, the adsorptive breakthrough curves for toluene, dynamic saturated adsorption capacity and other gas adsorption performances of these materials were studied. Finally, the best adsorption material was the 2 mol/L sulfuric acid acidified opal shale at 333K under stirring for 4 hours.},
     year = {2018}
    }
    

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  • TY  - JOUR
    T1  - Characterization of Acidified Opal Shale and Dynamic Adsorption of Toluene
    AU  - Mingyue Kou
    AU  - Wei Zuo
    AU  - Xiangfu Li
    AU  - Ruosong Hu
    AU  - Pan Wang
    AU  - Jixu Zhan
    Y1  - 2018/06/20
    PY  - 2018
    N1  - https://doi.org/10.11648/j.jenr.20180701.16
    DO  - 10.11648/j.jenr.20180701.16
    T2  - Journal of Energy and Natural Resources
    JF  - Journal of Energy and Natural Resources
    JO  - Journal of Energy and Natural Resources
    SP  - 40
    EP  - 46
    PB  - Science Publishing Group
    SN  - 2330-7404
    UR  - https://doi.org/10.11648/j.jenr.20180701.16
    AB  - Different kinds of acidified opal shale powders were obtained through the activation of natural opal shale powders with different concentrations of sulfuric acid. The natural opal shale and different acidified opal shale materials were characterized by X-ray diffraction, Fourier transform infrared spectroscopy, and scanning electron microscopy. It was found that the opal shale has good acid resistance stability. When the sulfuric acid concentration reaches a high concentration of 6 mol/L in the acidification treatment, the opal shale can still maintain its original main silica structure. Natural opal shale is a typical mesoporous material with a BET specific surface area of about 12 nm, but it also contains a small amount of micropores and macropores. Appropriate acid treatment can increase the specific surface area. An excessively high concentration of acid that exceeds 6 mol/L sulfuric acid can destroy the main structure of the cation, resulting in a decrease in the specific surface area. In this paper, the adsorptive breakthrough curves for toluene, dynamic saturated adsorption capacity and other gas adsorption performances of these materials were studied. Finally, the best adsorption material was the 2 mol/L sulfuric acid acidified opal shale at 333K under stirring for 4 hours.
    VL  - 7
    IS  - 1
    ER  - 

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Author Information
  • School of Environment, Harbin Institute of Technology, Harbin, China

  • School of Environment, Harbin Institute of Technology, Harbin, China

  • School of Environment, Harbin Institute of Technology, Harbin, China

  • School of Environment, Harbin Institute of Technology, Harbin, China

  • School of Environment, Harbin Institute of Technology, Harbin, China

  • School of Environment, Harbin Institute of Technology, Harbin, China

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