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Optimization of the Adsorption of Heavy Metals (Copper, Lead) in Aqueous Solution by the Fine Sodium Fraction of Loukolela Clay

Received: 18 January 2023     Accepted: 16 February 2023     Published: 28 February 2023
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Abstract

Objective: The general objective of this work is to study the adsorption capacity of two heavy metals (Pb2+, Cu2+) by the fine sodic fraction of the clay collected in the locality of Loukoléla. Materials and Methods: The kinetics of adsorption allowed us to find a time of equilibrium of copper, lead with the mont-Na. The influence of the pH was carried out in basic and acid medium, the adsorption isotherm is obtained by drawing the curve of the adsorbed quantities according to the concentration at the equilibrium, the Langmuir isotherm was used to write the adsorption of copper and lead. Results: The equilibrium time is reached at t =20 min with an adsorption quantity of 64 mg/g for Cu2+; for the Pb2+ ion the equilibrium is reached after 25 minutes with an adsorption quantity of 43.2 mg/g of fixed metal. Two models were used for the modelling of this work, namely the Langmuir model and the Freudlich model. This study shows that the Langmuir model gives better results than the Freundlich model with a maximum adsorption capacity of the monolayer of 653.12 mg/g for Cu2+ and 100.388 mg/g for Pb2+, Loukoléla clay shows high affinities with copper particles compared to lead particles. These results show that Loukoléla clay can be used as an adsorbent for metallic pollutants.

Published in American Journal of Applied Chemistry (Volume 11, Issue 1)
DOI 10.11648/j.ajac.20231101.15
Page(s) 43-49
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), 2023. Published by Science Publishing Group

Keywords

Adsorption Kinetics, Heavy Metals, Clay

References
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    Ifo Grace Mazel, Diamouangana Mpissi Zita Flora, Kouhounina Banzouzi Merline Lady, Ndombo Ondouma Reine Chrisna, Dikitomene Kienga Francia Jessie, et al. (2023). Optimization of the Adsorption of Heavy Metals (Copper, Lead) in Aqueous Solution by the Fine Sodium Fraction of Loukolela Clay. American Journal of Applied Chemistry, 11(1), 43-49. https://doi.org/10.11648/j.ajac.20231101.15

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    ACS Style

    Ifo Grace Mazel; Diamouangana Mpissi Zita Flora; Kouhounina Banzouzi Merline Lady; Ndombo Ondouma Reine Chrisna; Dikitomene Kienga Francia Jessie, et al. Optimization of the Adsorption of Heavy Metals (Copper, Lead) in Aqueous Solution by the Fine Sodium Fraction of Loukolela Clay. Am. J. Appl. Chem. 2023, 11(1), 43-49. doi: 10.11648/j.ajac.20231101.15

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    AMA Style

    Ifo Grace Mazel, Diamouangana Mpissi Zita Flora, Kouhounina Banzouzi Merline Lady, Ndombo Ondouma Reine Chrisna, Dikitomene Kienga Francia Jessie, et al. Optimization of the Adsorption of Heavy Metals (Copper, Lead) in Aqueous Solution by the Fine Sodium Fraction of Loukolela Clay. Am J Appl Chem. 2023;11(1):43-49. doi: 10.11648/j.ajac.20231101.15

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  • @article{10.11648/j.ajac.20231101.15,
      author = {Ifo Grace Mazel and Diamouangana Mpissi Zita Flora and Kouhounina Banzouzi Merline Lady and Ndombo Ondouma Reine Chrisna and Dikitomene Kienga Francia Jessie and Matini Laurent},
      title = {Optimization of the Adsorption of Heavy Metals (Copper, Lead) in Aqueous Solution by the Fine Sodium Fraction of Loukolela Clay},
      journal = {American Journal of Applied Chemistry},
      volume = {11},
      number = {1},
      pages = {43-49},
      doi = {10.11648/j.ajac.20231101.15},
      url = {https://doi.org/10.11648/j.ajac.20231101.15},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajac.20231101.15},
      abstract = {Objective: The general objective of this work is to study the adsorption capacity of two heavy metals (Pb2+, Cu2+) by the fine sodic fraction of the clay collected in the locality of Loukoléla. Materials and Methods: The kinetics of adsorption allowed us to find a time of equilibrium of copper, lead with the mont-Na. The influence of the pH was carried out in basic and acid medium, the adsorption isotherm is obtained by drawing the curve of the adsorbed quantities according to the concentration at the equilibrium, the Langmuir isotherm was used to write the adsorption of copper and lead. Results: The equilibrium time is reached at t =20 min with an adsorption quantity of 64 mg/g for Cu2+; for the Pb2+ ion the equilibrium is reached after 25 minutes with an adsorption quantity of 43.2 mg/g of fixed metal. Two models were used for the modelling of this work, namely the Langmuir model and the Freudlich model. This study shows that the Langmuir model gives better results than the Freundlich model with a maximum adsorption capacity of the monolayer of 653.12 mg/g for Cu2+ and 100.388 mg/g for Pb2+, Loukoléla clay shows high affinities with copper particles compared to lead particles. These results show that Loukoléla clay can be used as an adsorbent for metallic pollutants.},
     year = {2023}
    }
    

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  • TY  - JOUR
    T1  - Optimization of the Adsorption of Heavy Metals (Copper, Lead) in Aqueous Solution by the Fine Sodium Fraction of Loukolela Clay
    AU  - Ifo Grace Mazel
    AU  - Diamouangana Mpissi Zita Flora
    AU  - Kouhounina Banzouzi Merline Lady
    AU  - Ndombo Ondouma Reine Chrisna
    AU  - Dikitomene Kienga Francia Jessie
    AU  - Matini Laurent
    Y1  - 2023/02/28
    PY  - 2023
    N1  - https://doi.org/10.11648/j.ajac.20231101.15
    DO  - 10.11648/j.ajac.20231101.15
    T2  - American Journal of Applied Chemistry
    JF  - American Journal of Applied Chemistry
    JO  - American Journal of Applied Chemistry
    SP  - 43
    EP  - 49
    PB  - Science Publishing Group
    SN  - 2330-8745
    UR  - https://doi.org/10.11648/j.ajac.20231101.15
    AB  - Objective: The general objective of this work is to study the adsorption capacity of two heavy metals (Pb2+, Cu2+) by the fine sodic fraction of the clay collected in the locality of Loukoléla. Materials and Methods: The kinetics of adsorption allowed us to find a time of equilibrium of copper, lead with the mont-Na. The influence of the pH was carried out in basic and acid medium, the adsorption isotherm is obtained by drawing the curve of the adsorbed quantities according to the concentration at the equilibrium, the Langmuir isotherm was used to write the adsorption of copper and lead. Results: The equilibrium time is reached at t =20 min with an adsorption quantity of 64 mg/g for Cu2+; for the Pb2+ ion the equilibrium is reached after 25 minutes with an adsorption quantity of 43.2 mg/g of fixed metal. Two models were used for the modelling of this work, namely the Langmuir model and the Freudlich model. This study shows that the Langmuir model gives better results than the Freundlich model with a maximum adsorption capacity of the monolayer of 653.12 mg/g for Cu2+ and 100.388 mg/g for Pb2+, Loukoléla clay shows high affinities with copper particles compared to lead particles. These results show that Loukoléla clay can be used as an adsorbent for metallic pollutants.
    VL  - 11
    IS  - 1
    ER  - 

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Author Information
  • Laboratoire de Chimie Minérale et Appliquée, Faculté des Sciences et Techniques, Université Marien N’GOUABI, Brazzaville, Republic of the Congo

  • Laboratoire de Chimie Minérale et Appliquée, Faculté des Sciences et Techniques, Université Marien N’GOUABI, Brazzaville, Republic of the Congo

  • Laboratoire de Chimie Minérale et Appliquée, Faculté des Sciences et Techniques, Université Marien N’GOUABI, Brazzaville, Republic of the Congo

  • Laboratoire de Chimie Minérale et Appliquée, Faculté des Sciences et Techniques, Université Marien N’GOUABI, Brazzaville, Republic of the Congo

  • Laboratoire de Chimie Minérale et Appliquée, Faculté des Sciences et Techniques, Université Marien N’GOUABI, Brazzaville, Republic of the Congo

  • Laboratoire de Chimie Minérale et Appliquée, Faculté des Sciences et Techniques, Université Marien N’GOUABI, Brazzaville, Republic of the Congo

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