,
Tiangoua Kone,
Sandotin Lassina Coulibaly,
Jean Aimé Mbey,
Lacina Coulibaly,
Emmanuel Djoufac Woumfo
The environmental pollution caused by the mismanagement of household waste dumps and their leachate in developing countries has led researchers to explore adsorption treatment processes using shales from Côte d'Ivoire. To carry out this study, mineralogical characterization by X-ray Diffraction and Infrared of the shales was required prior to treatment. Using humic acid extracted from the leachates, adsorption tests were carried out using batch adsorption tests, and the optimum adsorption parameters were determined and modeled. The results of the mineralogical characterization revealed the presence of certain minerals. Batch adsorption treatment using slate from Côte d'Ivoire showed that the optimum concentration of slate to use was 30 g/L for a concentration of 15 mg/L humic acid. The duration of agitation at equilibrium was 60 minutes, with a maximum adsorption rate of 92 %. The effect of pH on the adsorption of humic acids showed that, in general, the evolution of adsorption rates was inversely proportional to the increase in pH. The highest yields were obtained at pH levels between 3.5 and 5.5. The results of the influence of the initial concentration of humic acids showed an increase in adsorption efficiency with the increase in the initial concentration up to 100 mg/L. The pseudo-second order model better described the adsorption of humic acid on the shale; it is accompanied by intra-particle diffusion, therefore by a contribution of active sites inside the pores.
| Published in | International Journal of Environmental Monitoring and Analysis (Volume 13, Issue 2) |
| DOI | 10.11648/j.ijema.20251302.11 |
| Page(s) | 49-60 |
| 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), 2025. Published by Science Publishing Group |
Landfills, Leachate, Shale, Humic Acid, Modeling Adsorption, X-Ray Diffraction, Infrared
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APA Style
Coulibaly, Y., Kone, T., Coulibaly, S. L., Mbey, J. A., Coulibaly, L., et al. (2025). Use of Lomo-Nord Shales in Ivory Coast for the Adsorption Treatment of Humic Acid Extracted from Leachate from the Akouédo Landfill. International Journal of Environmental Monitoring and Analysis, 13(2), 49-60. https://doi.org/10.11648/j.ijema.20251302.11
ACS Style
Coulibaly, Y.; Kone, T.; Coulibaly, S. L.; Mbey, J. A.; Coulibaly, L., et al. Use of Lomo-Nord Shales in Ivory Coast for the Adsorption Treatment of Humic Acid Extracted from Leachate from the Akouédo Landfill. Int. J. Environ. Monit. Anal. 2025, 13(2), 49-60. doi: 10.11648/j.ijema.20251302.11
AMA Style
Coulibaly Y, Kone T, Coulibaly SL, Mbey JA, Coulibaly L, et al. Use of Lomo-Nord Shales in Ivory Coast for the Adsorption Treatment of Humic Acid Extracted from Leachate from the Akouédo Landfill. Int J Environ Monit Anal. 2025;13(2):49-60. doi: 10.11648/j.ijema.20251302.11
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Download@article{10.11648/j.ijema.20251302.11,
author = {Yoh Coulibaly and Tiangoua Kone and Sandotin Lassina Coulibaly and Jean Aimé Mbey and Lacina Coulibaly and Emmanuel Djoufac Woumfo},
title = {Use of Lomo-Nord Shales in Ivory Coast for the Adsorption Treatment of Humic Acid Extracted from Leachate from the Akouédo Landfill
},
journal = {International Journal of Environmental Monitoring and Analysis},
volume = {13},
number = {2},
pages = {49-60},
doi = {10.11648/j.ijema.20251302.11},
url = {https://doi.org/10.11648/j.ijema.20251302.11},
eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ijema.20251302.11},
abstract = {The environmental pollution caused by the mismanagement of household waste dumps and their leachate in developing countries has led researchers to explore adsorption treatment processes using shales from Côte d'Ivoire. To carry out this study, mineralogical characterization by X-ray Diffraction and Infrared of the shales was required prior to treatment. Using humic acid extracted from the leachates, adsorption tests were carried out using batch adsorption tests, and the optimum adsorption parameters were determined and modeled. The results of the mineralogical characterization revealed the presence of certain minerals. Batch adsorption treatment using slate from Côte d'Ivoire showed that the optimum concentration of slate to use was 30 g/L for a concentration of 15 mg/L humic acid. The duration of agitation at equilibrium was 60 minutes, with a maximum adsorption rate of 92 %. The effect of pH on the adsorption of humic acids showed that, in general, the evolution of adsorption rates was inversely proportional to the increase in pH. The highest yields were obtained at pH levels between 3.5 and 5.5. The results of the influence of the initial concentration of humic acids showed an increase in adsorption efficiency with the increase in the initial concentration up to 100 mg/L. The pseudo-second order model better described the adsorption of humic acid on the shale; it is accompanied by intra-particle diffusion, therefore by a contribution of active sites inside the pores.
},
year = {2025}
}
TY - JOUR T1 - Use of Lomo-Nord Shales in Ivory Coast for the Adsorption Treatment of Humic Acid Extracted from Leachate from the Akouédo Landfill AU - Yoh Coulibaly AU - Tiangoua Kone AU - Sandotin Lassina Coulibaly AU - Jean Aimé Mbey AU - Lacina Coulibaly AU - Emmanuel Djoufac Woumfo Y1 - 2025/05/22 PY - 2025 N1 - https://doi.org/10.11648/j.ijema.20251302.11 DO - 10.11648/j.ijema.20251302.11 T2 - International Journal of Environmental Monitoring and Analysis JF - International Journal of Environmental Monitoring and Analysis JO - International Journal of Environmental Monitoring and Analysis SP - 49 EP - 60 PB - Science Publishing Group SN - 2328-7667 UR - https://doi.org/10.11648/j.ijema.20251302.11 AB - The environmental pollution caused by the mismanagement of household waste dumps and their leachate in developing countries has led researchers to explore adsorption treatment processes using shales from Côte d'Ivoire. To carry out this study, mineralogical characterization by X-ray Diffraction and Infrared of the shales was required prior to treatment. Using humic acid extracted from the leachates, adsorption tests were carried out using batch adsorption tests, and the optimum adsorption parameters were determined and modeled. The results of the mineralogical characterization revealed the presence of certain minerals. Batch adsorption treatment using slate from Côte d'Ivoire showed that the optimum concentration of slate to use was 30 g/L for a concentration of 15 mg/L humic acid. The duration of agitation at equilibrium was 60 minutes, with a maximum adsorption rate of 92 %. The effect of pH on the adsorption of humic acids showed that, in general, the evolution of adsorption rates was inversely proportional to the increase in pH. The highest yields were obtained at pH levels between 3.5 and 5.5. The results of the influence of the initial concentration of humic acids showed an increase in adsorption efficiency with the increase in the initial concentration up to 100 mg/L. The pseudo-second order model better described the adsorption of humic acid on the shale; it is accompanied by intra-particle diffusion, therefore by a contribution of active sites inside the pores. VL - 13 IS - 2 ER -
Department of Environnent and Sustainable Development, University of Man, Man, Côte d’Ivoire
Department of Environmental Sciences and Management, University of Nangui Abrogoua, Abidjan, Côte d’Ivoire
Department of Environnent and Sustainable Development, University of Man, Man, Côte d’Ivoire
Department of Inorganic Chemistry, University of Yaoundé I, Yaoundé, Cameroon
Department of Environmental Sciences and Management, University of Nangui Abrogoua, Abidjan, Côte d’Ivoire
Department of Inorganic Chemistry, University of Yaoundé I, Yaoundé, Cameroon
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