The present work aims to increase the value of cassava peelings by its transformation in activated carbon. The activated carbon was prepared by chemical activation using 40% of phosphoric acid solution as activation agent with an impregnation rate equal to 1.5 g of acid/g of precursor. The carbonization was carried out at 400°C for 90 minutes. Bohem titration and the Lopez-Ramon method were used to determine the chemical characteristics of the prepared activated carbon (ACCP), while surface area of the sample was estimated by methylene blue and iodine index methods. The best kinetic model that describes the adsorption reaction of MB on ACCP activated carbon is the pseudo-second-order model. Adsorption isotherm was also evaluated. Activated carbon (ACCP) has the following characteristics: pHPZC= 3.9; Iodine index value equal to 914.4 mg/g and methylene blue index value equal to 643.72 mg/l. ACCP has more acid functions (5.95 meq/g) than basic function (1.3 meq/g). The “batch method” was used for pollutant removal and it reveals that the contact time value is equal to 40 minutes. The influence of activated carbon mass on its methylene blue adsorption capacity was studied. The experimental data are in agreement with the Langmuir and Freundlich isotherm models. The maximum adsorption capacity obtained using Langmuir isotherm model was 75.93 mg/g.
| Published in | American Journal of Physical Chemistry (Volume 13, Issue 1) |
| DOI | 10.11648/j.ajpc.20241301.12 |
| Page(s) | 9-16 |
| 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), 2024. Published by Science Publishing Group |
Cassava Peeling, Chemical Activation, Activated Carbon, Iodine Index, Methylene Blue Index, Adsorption Isotherms
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APA Style
Faouzou, O., Amenuvevega, D. A., Ibrahim, T., Samadou, S., Tomkouani, K., et al. (2024). Synthesis of Activated Carbon from Cassava Peeling and Its Applications for Removal of Methylene Blue. American Journal of Physical Chemistry, 13(1), 9-16. https://doi.org/10.11648/j.ajpc.20241301.12
ACS Style
Faouzou, O.; Amenuvevega, D. A.; Ibrahim, T.; Samadou, S.; Tomkouani, K., et al. Synthesis of Activated Carbon from Cassava Peeling and Its Applications for Removal of Methylene Blue. Am. J. Phys. Chem. 2024, 13(1), 9-16. doi: 10.11648/j.ajpc.20241301.12
AMA Style
Faouzou O, Amenuvevega DA, Ibrahim T, Samadou S, Tomkouani K, et al. Synthesis of Activated Carbon from Cassava Peeling and Its Applications for Removal of Methylene Blue. Am J Phys Chem. 2024;13(1):9-16. doi: 10.11648/j.ajpc.20241301.12
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author = {Ouro-Agoro Faouzou and Dougna Akpénè Amenuvevega and Tchakala Ibrahim and Sanni Samadou and Kodom Tomkouani and Alfa-Sika Mande Seyf-Laye and Bawa Limam Moctar},
title = {Synthesis of Activated Carbon from Cassava Peeling and Its Applications for Removal of Methylene Blue},
journal = {American Journal of Physical Chemistry},
volume = {13},
number = {1},
pages = {9-16},
doi = {10.11648/j.ajpc.20241301.12},
url = {https://doi.org/10.11648/j.ajpc.20241301.12},
eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajpc.20241301.12},
abstract = {The present work aims to increase the value of cassava peelings by its transformation in activated carbon. The activated carbon was prepared by chemical activation using 40% of phosphoric acid solution as activation agent with an impregnation rate equal to 1.5 g of acid/g of precursor. The carbonization was carried out at 400°C for 90 minutes. Bohem titration and the Lopez-Ramon method were used to determine the chemical characteristics of the prepared activated carbon (ACCP), while surface area of the sample was estimated by methylene blue and iodine index methods. The best kinetic model that describes the adsorption reaction of MB on ACCP activated carbon is the pseudo-second-order model. Adsorption isotherm was also evaluated. Activated carbon (ACCP) has the following characteristics: pHPZC= 3.9; Iodine index value equal to 914.4 mg/g and methylene blue index value equal to 643.72 mg/l. ACCP has more acid functions (5.95 meq/g) than basic function (1.3 meq/g). The “batch method” was used for pollutant removal and it reveals that the contact time value is equal to 40 minutes. The influence of activated carbon mass on its methylene blue adsorption capacity was studied. The experimental data are in agreement with the Langmuir and Freundlich isotherm models. The maximum adsorption capacity obtained using Langmuir isotherm model was 75.93 mg/g.
},
year = {2024}
}
TY - JOUR T1 - Synthesis of Activated Carbon from Cassava Peeling and Its Applications for Removal of Methylene Blue AU - Ouro-Agoro Faouzou AU - Dougna Akpénè Amenuvevega AU - Tchakala Ibrahim AU - Sanni Samadou AU - Kodom Tomkouani AU - Alfa-Sika Mande Seyf-Laye AU - Bawa Limam Moctar Y1 - 2024/02/28 PY - 2024 N1 - https://doi.org/10.11648/j.ajpc.20241301.12 DO - 10.11648/j.ajpc.20241301.12 T2 - American Journal of Physical Chemistry JF - American Journal of Physical Chemistry JO - American Journal of Physical Chemistry SP - 9 EP - 16 PB - Science Publishing Group SN - 2327-2449 UR - https://doi.org/10.11648/j.ajpc.20241301.12 AB - The present work aims to increase the value of cassava peelings by its transformation in activated carbon. The activated carbon was prepared by chemical activation using 40% of phosphoric acid solution as activation agent with an impregnation rate equal to 1.5 g of acid/g of precursor. The carbonization was carried out at 400°C for 90 minutes. Bohem titration and the Lopez-Ramon method were used to determine the chemical characteristics of the prepared activated carbon (ACCP), while surface area of the sample was estimated by methylene blue and iodine index methods. The best kinetic model that describes the adsorption reaction of MB on ACCP activated carbon is the pseudo-second-order model. Adsorption isotherm was also evaluated. Activated carbon (ACCP) has the following characteristics: pHPZC= 3.9; Iodine index value equal to 914.4 mg/g and methylene blue index value equal to 643.72 mg/l. ACCP has more acid functions (5.95 meq/g) than basic function (1.3 meq/g). The “batch method” was used for pollutant removal and it reveals that the contact time value is equal to 40 minutes. The influence of activated carbon mass on its methylene blue adsorption capacity was studied. The experimental data are in agreement with the Langmuir and Freundlich isotherm models. The maximum adsorption capacity obtained using Langmuir isotherm model was 75.93 mg/g. VL - 13 IS - 1 ER -
Laboratory of Applied Hydrology and Environment, Faculty of Sciences, University of Lomé, Lomé, Togo
