Adaptation of Modified Shrinking Core Model for the Description of Salicylic Acid Adsorption on Olive Stones Activated Carbons

Thouraya Bohli; Ghofrane Hamdi; Souaad Suissi Najjar; Abdelmottaleb Ouederni

doi:doi:10.11648/j.abb.20170503.12

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Adaptation of Modified Shrinking Core Model for the Description of Salicylic Acid Adsorption on Olive Stones Activated Carbons

Thouraya Bohli, Ghofrane Hamdi, Souaad Suissi Najjar, Abdelmottaleb Ouederni

Published in Advances in Bioscience and Bioengineering (Volume 5, Issue 3)

Received: 8 April 2017 Accepted: 27 April 2017 Published: 18 October 2017

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Abstract

This work aimed to apply a modified shrinking core model (SCM) for describing the kinetic adsorption process of a solute in a microporous activated carbon in an agitated finite batch aqueous system. To apply the SCM, the diffusion-adsorption process in the pore of the adsorbent is transposed to a diagram of diffusion-reaction according to a mobile front. Indeed, solid adsorbent particle is assumed formed by two layers. The first layer is an inner core, not yet reached by the adsorbate, and the second layer is an outer shell, where diffusion and binding to particle sites are occurring. In this study, two mass transfer resistances are considered; the external liquid film resistance and intraparticle resistance. The developed modified SCM, applied to experimental data for the adsorption of salicylic acid onto olive stone activated carbons and a commercial one, give a more realistic prediction and shows a good accuracy in describing batch adsorption in mixed suspension. The kinetic parameters: the effective diffusivity and the mass transfer coefficient were determined. Using the estimated parameters, a parametric study was carried out to observe the effects of the particle size of adsorbent, the initial adsorbate concentration and the stirring velocity on the system kinetics.

Published in	Advances in Bioscience and Bioengineering (Volume 5, Issue 3)
DOI	10.11648/j.abb.20170503.12
Page(s)	42-50
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), 2017. Published by Science Publishing Group

Keywords

Shrinking Core Model, Mass Transfer Coefficient, Effective Diffusivity, Salicylic Acid, Olive Stones, Activated Carbon, Kinetic, Adsorption

References

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APA Style

Thouraya Bohli, Ghofrane Hamdi, Souaad Suissi Najjar, Abdelmottaleb Ouederni. (2017). Adaptation of Modified Shrinking Core Model for the Description of Salicylic Acid Adsorption on Olive Stones Activated Carbons. Advances in Bioscience and Bioengineering, 5(3), 42-50. https://doi.org/10.11648/j.abb.20170503.12

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ACS Style

Thouraya Bohli; Ghofrane Hamdi; Souaad Suissi Najjar; Abdelmottaleb Ouederni. Adaptation of Modified Shrinking Core Model for the Description of Salicylic Acid Adsorption on Olive Stones Activated Carbons. Adv. BioSci. Bioeng. 2017, 5(3), 42-50. doi: 10.11648/j.abb.20170503.12

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AMA Style

Thouraya Bohli, Ghofrane Hamdi, Souaad Suissi Najjar, Abdelmottaleb Ouederni. Adaptation of Modified Shrinking Core Model for the Description of Salicylic Acid Adsorption on Olive Stones Activated Carbons. Adv BioSci Bioeng. 2017;5(3):42-50. doi: 10.11648/j.abb.20170503.12

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@article{10.11648/j.abb.20170503.12,
  author = {Thouraya Bohli and Ghofrane Hamdi and Souaad Suissi Najjar and Abdelmottaleb Ouederni},
  title = {Adaptation of Modified Shrinking Core Model for the Description of Salicylic Acid Adsorption on Olive Stones Activated Carbons},
  journal = {Advances in Bioscience and Bioengineering},
  volume = {5},
  number = {3},
  pages = {42-50},
  doi = {10.11648/j.abb.20170503.12},
  url = {https://doi.org/10.11648/j.abb.20170503.12},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.abb.20170503.12},
  abstract = {This work aimed to apply a modified shrinking core model (SCM) for describing the kinetic adsorption process of a solute in a microporous activated carbon in an agitated finite batch aqueous system. To apply the SCM, the diffusion-adsorption process in the pore of the adsorbent is transposed to a diagram of diffusion-reaction according to a mobile front. Indeed, solid adsorbent particle is assumed formed by two layers. The first layer is an inner core, not yet reached by the adsorbate, and the second layer is an outer shell, where diffusion and binding to particle sites are occurring. In this study, two mass transfer resistances are considered; the external liquid film resistance and intraparticle resistance. The developed modified SCM, applied to experimental data for the adsorption of salicylic acid onto olive stone activated carbons and a commercial one, give a more realistic prediction and shows a good accuracy in describing batch adsorption in mixed suspension. The kinetic parameters: the effective diffusivity and the mass transfer coefficient were determined. Using the estimated parameters, a parametric study was carried out to observe the effects of the particle size of adsorbent, the initial adsorbate concentration and the stirring velocity on the system kinetics.},
 year = {2017}
}

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TY  - JOUR
T1  - Adaptation of Modified Shrinking Core Model for the Description of Salicylic Acid Adsorption on Olive Stones Activated Carbons
AU  - Thouraya Bohli
AU  - Ghofrane Hamdi
AU  - Souaad Suissi Najjar
AU  - Abdelmottaleb Ouederni
Y1  - 2017/10/18
PY  - 2017
N1  - https://doi.org/10.11648/j.abb.20170503.12
DO  - 10.11648/j.abb.20170503.12
T2  - Advances in Bioscience and Bioengineering
JF  - Advances in Bioscience and Bioengineering
JO  - Advances in Bioscience and Bioengineering
SP  - 42
EP  - 50
PB  - Science Publishing Group
SN  - 2330-4162
UR  - https://doi.org/10.11648/j.abb.20170503.12
AB  - This work aimed to apply a modified shrinking core model (SCM) for describing the kinetic adsorption process of a solute in a microporous activated carbon in an agitated finite batch aqueous system. To apply the SCM, the diffusion-adsorption process in the pore of the adsorbent is transposed to a diagram of diffusion-reaction according to a mobile front. Indeed, solid adsorbent particle is assumed formed by two layers. The first layer is an inner core, not yet reached by the adsorbate, and the second layer is an outer shell, where diffusion and binding to particle sites are occurring. In this study, two mass transfer resistances are considered; the external liquid film resistance and intraparticle resistance. The developed modified SCM, applied to experimental data for the adsorption of salicylic acid onto olive stone activated carbons and a commercial one, give a more realistic prediction and shows a good accuracy in describing batch adsorption in mixed suspension. The kinetic parameters: the effective diffusivity and the mass transfer coefficient were determined. Using the estimated parameters, a parametric study was carried out to observe the effects of the particle size of adsorbent, the initial adsorbate concentration and the stirring velocity on the system kinetics.
VL  - 5
IS  - 3
ER  -

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Author Information

Thouraya Bohli

Chemical Engineering Department, National School of Engineers of Gabes, University of Gabes, Gabes, Tunisia
Ghofrane Hamdi

Chemical Engineering Department, National School of Engineers of Gabes, University of Gabes, Gabes, Tunisia
Souaad Suissi Najjar

Chemical Engineering Department, National School of Engineers of Gabes, University of Gabes, Gabes, Tunisia
Abdelmottaleb Ouederni

Chemical Engineering Department, National School of Engineers of Gabes, University of Gabes, Gabes, Tunisia

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Plain Text BibTeX RIS

APA Style

Thouraya Bohli, Ghofrane Hamdi, Souaad Suissi Najjar, Abdelmottaleb Ouederni. (2017). Adaptation of Modified Shrinking Core Model for the Description of Salicylic Acid Adsorption on Olive Stones Activated Carbons. Advances in Bioscience and Bioengineering, 5(3), 42-50. https://doi.org/10.11648/j.abb.20170503.12

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ACS Style

Thouraya Bohli; Ghofrane Hamdi; Souaad Suissi Najjar; Abdelmottaleb Ouederni. Adaptation of Modified Shrinking Core Model for the Description of Salicylic Acid Adsorption on Olive Stones Activated Carbons. Adv. BioSci. Bioeng. 2017, 5(3), 42-50. doi: 10.11648/j.abb.20170503.12

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AMA Style

Thouraya Bohli, Ghofrane Hamdi, Souaad Suissi Najjar, Abdelmottaleb Ouederni. Adaptation of Modified Shrinking Core Model for the Description of Salicylic Acid Adsorption on Olive Stones Activated Carbons. Adv BioSci Bioeng. 2017;5(3):42-50. doi: 10.11648/j.abb.20170503.12

Copy | Download

@article{10.11648/j.abb.20170503.12,
  author = {Thouraya Bohli and Ghofrane Hamdi and Souaad Suissi Najjar and Abdelmottaleb Ouederni},
  title = {Adaptation of Modified Shrinking Core Model for the Description of Salicylic Acid Adsorption on Olive Stones Activated Carbons},
  journal = {Advances in Bioscience and Bioengineering},
  volume = {5},
  number = {3},
  pages = {42-50},
  doi = {10.11648/j.abb.20170503.12},
  url = {https://doi.org/10.11648/j.abb.20170503.12},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.abb.20170503.12},
  abstract = {This work aimed to apply a modified shrinking core model (SCM) for describing the kinetic adsorption process of a solute in a microporous activated carbon in an agitated finite batch aqueous system. To apply the SCM, the diffusion-adsorption process in the pore of the adsorbent is transposed to a diagram of diffusion-reaction according to a mobile front. Indeed, solid adsorbent particle is assumed formed by two layers. The first layer is an inner core, not yet reached by the adsorbate, and the second layer is an outer shell, where diffusion and binding to particle sites are occurring. In this study, two mass transfer resistances are considered; the external liquid film resistance and intraparticle resistance. The developed modified SCM, applied to experimental data for the adsorption of salicylic acid onto olive stone activated carbons and a commercial one, give a more realistic prediction and shows a good accuracy in describing batch adsorption in mixed suspension. The kinetic parameters: the effective diffusivity and the mass transfer coefficient were determined. Using the estimated parameters, a parametric study was carried out to observe the effects of the particle size of adsorbent, the initial adsorbate concentration and the stirring velocity on the system kinetics.},
 year = {2017}
}

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TY  - JOUR
T1  - Adaptation of Modified Shrinking Core Model for the Description of Salicylic Acid Adsorption on Olive Stones Activated Carbons
AU  - Thouraya Bohli
AU  - Ghofrane Hamdi
AU  - Souaad Suissi Najjar
AU  - Abdelmottaleb Ouederni
Y1  - 2017/10/18
PY  - 2017
N1  - https://doi.org/10.11648/j.abb.20170503.12
DO  - 10.11648/j.abb.20170503.12
T2  - Advances in Bioscience and Bioengineering
JF  - Advances in Bioscience and Bioengineering
JO  - Advances in Bioscience and Bioengineering
SP  - 42
EP  - 50
PB  - Science Publishing Group
SN  - 2330-4162
UR  - https://doi.org/10.11648/j.abb.20170503.12
AB  - This work aimed to apply a modified shrinking core model (SCM) for describing the kinetic adsorption process of a solute in a microporous activated carbon in an agitated finite batch aqueous system. To apply the SCM, the diffusion-adsorption process in the pore of the adsorbent is transposed to a diagram of diffusion-reaction according to a mobile front. Indeed, solid adsorbent particle is assumed formed by two layers. The first layer is an inner core, not yet reached by the adsorbate, and the second layer is an outer shell, where diffusion and binding to particle sites are occurring. In this study, two mass transfer resistances are considered; the external liquid film resistance and intraparticle resistance. The developed modified SCM, applied to experimental data for the adsorption of salicylic acid onto olive stone activated carbons and a commercial one, give a more realistic prediction and shows a good accuracy in describing batch adsorption in mixed suspension. The kinetic parameters: the effective diffusivity and the mass transfer coefficient were determined. Using the estimated parameters, a parametric study was carried out to observe the effects of the particle size of adsorbent, the initial adsorbate concentration and the stirring velocity on the system kinetics.
VL  - 5
IS  - 3
ER  -

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