The aim of this work is the synthesis of actived carbon optimized from the brewery's residue by a simple pyrolysis process preceded by a chemical impregnation with phosphoric acid. The activated carbon obtained coded CA-D has been applied for the removal of to the cationic dye (methylen blue). With a good mass yield of 77.7%, the iodine and methylene blue index tests on CA-D are 987.9 mg/g and 658.4 mg/g, respectively. The CA-D surface functions have more acidic chemical functions (6.4 meq/g) than basic functions (1.6 meq/g) with a pH at zero charge point to 4.3. The methylene blue adsorption tests on CA-D showed that equilibrium was established after 90 minutes. The influence of parameters such as adsorbent mass, pH and the initial pollutant solution concentration were studied to determine the best adsorption conditions of methylene blue dye on CA-D. The maximum removal rate (99%) of methylene blue is obtained at a basic pH of 8 with a mass of 0.3g of CA-D. The kinetic model of pseudo-second gives a better description of the kinetics of the BM adsorption reaction on CA-D with a correlation coefficient close to 1 (R² = 0.99) and a large approximation of the theoretical (50.35 mg/g) and experimental (49.63 mg/g) adsorption capacity. The studies on adsorption isotherms show that the H-type isotherm (Freundlich isotherm) is better adapted but is also similar to the L-type (Langmuir isotherm). CA-D could then be an alternative adsorbent for the removal dyes from water.
Published in | American Journal of Physical Chemistry (Volume 11, Issue 3) |
DOI | 10.11648/j.ajpc.20221103.15 |
Page(s) | 78-84 |
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. |
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Copyright © The Author(s), 2022. Published by Science Publishing Group |
Brewery Brewers' Grains, Activated Carbon, Adsorption, Adsorption Capacity
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APA Style
Samadou Sanni, Ibrahim Tchakala, Clement Kolawole Balogoun, Tomkouani Kodom, Moctar Limam Bawa. (2022). Study of the Synthesis of Activated Carbon from Brewery Grains: Application to the Removal of the Cationic Dye Methylene Blue. American Journal of Physical Chemistry, 11(3), 78-84. https://doi.org/10.11648/j.ajpc.20221103.15
ACS Style
Samadou Sanni; Ibrahim Tchakala; Clement Kolawole Balogoun; Tomkouani Kodom; Moctar Limam Bawa. Study of the Synthesis of Activated Carbon from Brewery Grains: Application to the Removal of the Cationic Dye Methylene Blue. Am. J. Phys. Chem. 2022, 11(3), 78-84. doi: 10.11648/j.ajpc.20221103.15
AMA Style
Samadou Sanni, Ibrahim Tchakala, Clement Kolawole Balogoun, Tomkouani Kodom, Moctar Limam Bawa. Study of the Synthesis of Activated Carbon from Brewery Grains: Application to the Removal of the Cationic Dye Methylene Blue. Am J Phys Chem. 2022;11(3):78-84. doi: 10.11648/j.ajpc.20221103.15
@article{10.11648/j.ajpc.20221103.15, author = {Samadou Sanni and Ibrahim Tchakala and Clement Kolawole Balogoun and Tomkouani Kodom and Moctar Limam Bawa}, title = {Study of the Synthesis of Activated Carbon from Brewery Grains: Application to the Removal of the Cationic Dye Methylene Blue}, journal = {American Journal of Physical Chemistry}, volume = {11}, number = {3}, pages = {78-84}, doi = {10.11648/j.ajpc.20221103.15}, url = {https://doi.org/10.11648/j.ajpc.20221103.15}, eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajpc.20221103.15}, abstract = {The aim of this work is the synthesis of actived carbon optimized from the brewery's residue by a simple pyrolysis process preceded by a chemical impregnation with phosphoric acid. The activated carbon obtained coded CA-D has been applied for the removal of to the cationic dye (methylen blue). With a good mass yield of 77.7%, the iodine and methylene blue index tests on CA-D are 987.9 mg/g and 658.4 mg/g, respectively. The CA-D surface functions have more acidic chemical functions (6.4 meq/g) than basic functions (1.6 meq/g) with a pH at zero charge point to 4.3. The methylene blue adsorption tests on CA-D showed that equilibrium was established after 90 minutes. The influence of parameters such as adsorbent mass, pH and the initial pollutant solution concentration were studied to determine the best adsorption conditions of methylene blue dye on CA-D. The maximum removal rate (99%) of methylene blue is obtained at a basic pH of 8 with a mass of 0.3g of CA-D. The kinetic model of pseudo-second gives a better description of the kinetics of the BM adsorption reaction on CA-D with a correlation coefficient close to 1 (R² = 0.99) and a large approximation of the theoretical (50.35 mg/g) and experimental (49.63 mg/g) adsorption capacity. The studies on adsorption isotherms show that the H-type isotherm (Freundlich isotherm) is better adapted but is also similar to the L-type (Langmuir isotherm). CA-D could then be an alternative adsorbent for the removal dyes from water.}, year = {2022} }
TY - JOUR T1 - Study of the Synthesis of Activated Carbon from Brewery Grains: Application to the Removal of the Cationic Dye Methylene Blue AU - Samadou Sanni AU - Ibrahim Tchakala AU - Clement Kolawole Balogoun AU - Tomkouani Kodom AU - Moctar Limam Bawa Y1 - 2022/09/28 PY - 2022 N1 - https://doi.org/10.11648/j.ajpc.20221103.15 DO - 10.11648/j.ajpc.20221103.15 T2 - American Journal of Physical Chemistry JF - American Journal of Physical Chemistry JO - American Journal of Physical Chemistry SP - 78 EP - 84 PB - Science Publishing Group SN - 2327-2449 UR - https://doi.org/10.11648/j.ajpc.20221103.15 AB - The aim of this work is the synthesis of actived carbon optimized from the brewery's residue by a simple pyrolysis process preceded by a chemical impregnation with phosphoric acid. The activated carbon obtained coded CA-D has been applied for the removal of to the cationic dye (methylen blue). With a good mass yield of 77.7%, the iodine and methylene blue index tests on CA-D are 987.9 mg/g and 658.4 mg/g, respectively. The CA-D surface functions have more acidic chemical functions (6.4 meq/g) than basic functions (1.6 meq/g) with a pH at zero charge point to 4.3. The methylene blue adsorption tests on CA-D showed that equilibrium was established after 90 minutes. The influence of parameters such as adsorbent mass, pH and the initial pollutant solution concentration were studied to determine the best adsorption conditions of methylene blue dye on CA-D. The maximum removal rate (99%) of methylene blue is obtained at a basic pH of 8 with a mass of 0.3g of CA-D. The kinetic model of pseudo-second gives a better description of the kinetics of the BM adsorption reaction on CA-D with a correlation coefficient close to 1 (R² = 0.99) and a large approximation of the theoretical (50.35 mg/g) and experimental (49.63 mg/g) adsorption capacity. The studies on adsorption isotherms show that the H-type isotherm (Freundlich isotherm) is better adapted but is also similar to the L-type (Langmuir isotherm). CA-D could then be an alternative adsorbent for the removal dyes from water. VL - 11 IS - 3 ER -