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Adsorption of Atrazine from Aqueous Solution onto Peanut Shell Activated Carbon: Kinetics and Isotherms Studies

Received: 4 July 2020     Accepted: 20 July 2020     Published: 28 July 2020
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Abstract

In this study, the activated carbon (AC) was prepared from phosphoric acid activation of peanut shell and used as adsorbent for atrazine removal from aqueous solutions. The prepared AC was characterized by Fourier transform infrared spectroscopy (FTIR) and scanning electron microscopy (SEM) techniques. The effect of parameters such as solution pH, contact time, adsorbent dosage and concentration of atrazine solution were studied on adsorption process. The results of characteristics study shown that the surface of AC was porous with numerous functional groups. The kinetic results revealed that the adsorption process was well described by the pseudo-second-order model than the pseudo-first-order model. The intraparticle diffusion model involved in the adsorption process by multi steps. The equilibrium data were in the best agreement with the Langmuir model than the Freundlich and the Temkin models. The maximum adsorption capacities calculated according to the Langmuir isotherm were 66.66, 52.63 and 48.08 mg g-1 at 30°C and at pH 5, 7 and 9 respectively. The results of this study pointed out that the activated carbon prepared from the peanut shell has strong adsorption potential toward the atrazine herbicide, hence, it could be used for efficient adsorption of pesticide residues and other hazardous pollutants from wastewater.

Published in American Journal of Applied Chemistry (Volume 8, Issue 3)
DOI 10.11648/j.ajac.20200803.13
Page(s) 82-88
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), 2020. Published by Science Publishing Group

Keywords

Peanut Shell, Activated Carbon, Atrazine, Adsorption

References
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Cite This Article
  • APA Style

    Ignace Agani, Jacques Kabiyéssi Fatombi, Nikita Topanou, Esta Abiodon Idohou, Taofiki Aminou. (2020). Adsorption of Atrazine from Aqueous Solution onto Peanut Shell Activated Carbon: Kinetics and Isotherms Studies. American Journal of Applied Chemistry, 8(3), 82-88. https://doi.org/10.11648/j.ajac.20200803.13

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    ACS Style

    Ignace Agani; Jacques Kabiyéssi Fatombi; Nikita Topanou; Esta Abiodon Idohou; Taofiki Aminou. Adsorption of Atrazine from Aqueous Solution onto Peanut Shell Activated Carbon: Kinetics and Isotherms Studies. Am. J. Appl. Chem. 2020, 8(3), 82-88. doi: 10.11648/j.ajac.20200803.13

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    AMA Style

    Ignace Agani, Jacques Kabiyéssi Fatombi, Nikita Topanou, Esta Abiodon Idohou, Taofiki Aminou. Adsorption of Atrazine from Aqueous Solution onto Peanut Shell Activated Carbon: Kinetics and Isotherms Studies. Am J Appl Chem. 2020;8(3):82-88. doi: 10.11648/j.ajac.20200803.13

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  • @article{10.11648/j.ajac.20200803.13,
      author = {Ignace Agani and Jacques Kabiyéssi Fatombi and Nikita Topanou and Esta Abiodon Idohou and Taofiki Aminou},
      title = {Adsorption of Atrazine from Aqueous Solution onto Peanut Shell Activated Carbon: Kinetics and Isotherms Studies},
      journal = {American Journal of Applied Chemistry},
      volume = {8},
      number = {3},
      pages = {82-88},
      doi = {10.11648/j.ajac.20200803.13},
      url = {https://doi.org/10.11648/j.ajac.20200803.13},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajac.20200803.13},
      abstract = {In this study, the activated carbon (AC) was prepared from phosphoric acid activation of peanut shell and used as adsorbent for atrazine removal from aqueous solutions. The prepared AC was characterized by Fourier transform infrared spectroscopy (FTIR) and scanning electron microscopy (SEM) techniques. The effect of parameters such as solution pH, contact time, adsorbent dosage and concentration of atrazine solution were studied on adsorption process. The results of characteristics study shown that the surface of AC was porous with numerous functional groups. The kinetic results revealed that the adsorption process was well described by the pseudo-second-order model than the pseudo-first-order model. The intraparticle diffusion model involved in the adsorption process by multi steps. The equilibrium data were in the best agreement with the Langmuir model than the Freundlich and the Temkin models. The maximum adsorption capacities calculated according to the Langmuir isotherm were 66.66, 52.63 and 48.08 mg g-1 at 30°C and at pH 5, 7 and 9 respectively. The results of this study pointed out that the activated carbon prepared from the peanut shell has strong adsorption potential toward the atrazine herbicide, hence, it could be used for efficient adsorption of pesticide residues and other hazardous pollutants from wastewater.},
     year = {2020}
    }
    

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  • TY  - JOUR
    T1  - Adsorption of Atrazine from Aqueous Solution onto Peanut Shell Activated Carbon: Kinetics and Isotherms Studies
    AU  - Ignace Agani
    AU  - Jacques Kabiyéssi Fatombi
    AU  - Nikita Topanou
    AU  - Esta Abiodon Idohou
    AU  - Taofiki Aminou
    Y1  - 2020/07/28
    PY  - 2020
    N1  - https://doi.org/10.11648/j.ajac.20200803.13
    DO  - 10.11648/j.ajac.20200803.13
    T2  - American Journal of Applied Chemistry
    JF  - American Journal of Applied Chemistry
    JO  - American Journal of Applied Chemistry
    SP  - 82
    EP  - 88
    PB  - Science Publishing Group
    SN  - 2330-8745
    UR  - https://doi.org/10.11648/j.ajac.20200803.13
    AB  - In this study, the activated carbon (AC) was prepared from phosphoric acid activation of peanut shell and used as adsorbent for atrazine removal from aqueous solutions. The prepared AC was characterized by Fourier transform infrared spectroscopy (FTIR) and scanning electron microscopy (SEM) techniques. The effect of parameters such as solution pH, contact time, adsorbent dosage and concentration of atrazine solution were studied on adsorption process. The results of characteristics study shown that the surface of AC was porous with numerous functional groups. The kinetic results revealed that the adsorption process was well described by the pseudo-second-order model than the pseudo-first-order model. The intraparticle diffusion model involved in the adsorption process by multi steps. The equilibrium data were in the best agreement with the Langmuir model than the Freundlich and the Temkin models. The maximum adsorption capacities calculated according to the Langmuir isotherm were 66.66, 52.63 and 48.08 mg g-1 at 30°C and at pH 5, 7 and 9 respectively. The results of this study pointed out that the activated carbon prepared from the peanut shell has strong adsorption potential toward the atrazine herbicide, hence, it could be used for efficient adsorption of pesticide residues and other hazardous pollutants from wastewater.
    VL  - 8
    IS  - 3
    ER  - 

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Author Information
  • Laboratoire de Chimie de l’Eau et de l’Environnement (LCEE), Ecole Normale Supérieure de Natitingou, UNSTIM, Natitinqou, Bénin

  • Laboratoire de Chimie de l’Eau et de l’Environnement (LCEE), Ecole Normale Supérieure de Natitingou, UNSTIM, Natitinqou, Bénin

  • Laboratoire de Chimie de l’Eau et de l’Environnement (LCEE), Ecole Normale Supérieure de Natitingou, UNSTIM, Natitinqou, Bénin

  • Laboratoire de Chimie de l’Eau et de l’Environnement (LCEE), Ecole Normale Supérieure de Natitingou, UNSTIM, Natitinqou, Bénin

  • Laboratoire d’Expertise et de Recherche en Chimie de l’Eau et de l’Environnement (LERCEE), UAC, Cotonou, Bénin

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