Equilibrium, Kinetics and Thermodynamic Studies on the Removal of Safranin-O from Waste Water Using Activated Carbons Derived from Coconut Shell and Pineapple Peel

Jibrin Mohammed; Ufaruna Idrisu Noah; Isah Jibrin; Kabiru Suleiman Madaki; Stephen Ingedu Audu

doi:doi:10.11648/j.ajpc.20190801.11

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Equilibrium, Kinetics and Thermodynamic Studies on the Removal of Safranin-O from Waste Water Using Activated Carbons Derived from Coconut Shell and Pineapple Peel

Jibrin Mohammed, Ufaruna Idrisu Noah, Isah Jibrin, Kabiru Suleiman Madaki, Stephen Ingedu Audu

Received: 14 December 2018 Accepted: 9 January 2019 Published: 30 January 2019

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Abstract

This work is aimed at comparing the adsorption capacities of the activated carbons derived from coconut shell and pineapple peels using Safranin-O as adsorbate. Physical activation method was employed to generate the activated carbons using phosphoric acid (H₃ PO₄) as activating agent. Batch adsorption experiment was employed for the adsorption process. Effects of experimental factors such as adsorbent dosage, inititial Safranin-O dye concentration, pH and contact time on the adsorption process were examined. The results showed that the adsorption capacities were dependent on these factors. Langmuir and Freundlich Isotherms Models were applied and the results indicated that both models fitted well with the observed data but Freundlich Model fitted better. Pseudo first and second order kinetic models were also applied to describe the adsorption kinetic, only the second order model fitted well with the experimental data. Thermodynamic parameters such as enthalpy change (∆H), Gibb’s free energy change (∆G) and entropy change (∆S) were evaluated using Van’t Hoff equations, both the free energy and enthalpy change were found to be negative indicating the feasibility and exorthermic nature of the adsorption process respectively. While the entropy change was found to be positive indicating that the degree of dispersion in the adsorption process increased with increase in temperature, Based on the results obtained from this research work, the activated carbon derived from coconut shell (CSAC) showed better adsorbent when compared with the one derived from pineapple peel (PPAC) as CSAC recorded the highest percentage of Safranin-O dye removal from waste water under all the experimental conditions.

DOI	10.11648/j.ajpc.20190801.11
Published in	American Journal of Physical Chemistry (Volume 8, Issue 1, March 2019)
Page(s)	1-10
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

Keywords

Safranin-O, Removal, Activated Carbon, Coconut Shell, Pineapple Peel

References

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APA Style

Jibrin Mohammed, Ufaruna Idrisu Noah, Isah Jibrin, Kabiru Suleiman Madaki, Stephen Ingedu Audu. (2019). Equilibrium, Kinetics and Thermodynamic Studies on the Removal of Safranin-O from Waste Water Using Activated Carbons Derived from Coconut Shell and Pineapple Peel. American Journal of Physical Chemistry, 8(1), 1-10. https://doi.org/10.11648/j.ajpc.20190801.11

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ACS Style

Jibrin Mohammed; Ufaruna Idrisu Noah; Isah Jibrin; Kabiru Suleiman Madaki; Stephen Ingedu Audu. Equilibrium, Kinetics and Thermodynamic Studies on the Removal of Safranin-O from Waste Water Using Activated Carbons Derived from Coconut Shell and Pineapple Peel. Am. J. Phys. Chem. 2019, 8(1), 1-10. doi: 10.11648/j.ajpc.20190801.11

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AMA Style

Jibrin Mohammed, Ufaruna Idrisu Noah, Isah Jibrin, Kabiru Suleiman Madaki, Stephen Ingedu Audu. Equilibrium, Kinetics and Thermodynamic Studies on the Removal of Safranin-O from Waste Water Using Activated Carbons Derived from Coconut Shell and Pineapple Peel. Am J Phys Chem. 2019;8(1):1-10. doi: 10.11648/j.ajpc.20190801.11

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@article{10.11648/j.ajpc.20190801.11,
  author = {Jibrin Mohammed and Ufaruna Idrisu Noah and Isah Jibrin and Kabiru Suleiman Madaki and Stephen Ingedu Audu},
  title = {Equilibrium, Kinetics and Thermodynamic Studies on the Removal of Safranin-O from Waste Water Using Activated Carbons Derived from Coconut Shell and Pineapple Peel},
  journal = {American Journal of Physical Chemistry},
  volume = {8},
  number = {1},
  pages = {1-10},
  doi = {10.11648/j.ajpc.20190801.11},
  url = {https://doi.org/10.11648/j.ajpc.20190801.11},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajpc.20190801.11},
  abstract = {This work is aimed at comparing the adsorption capacities of the activated carbons derived from coconut shell and pineapple peels using Safranin-O as adsorbate. Physical activation method was employed to generate the activated carbons using phosphoric acid (H3 PO4) as activating agent. Batch adsorption experiment was employed for the adsorption process. Effects of experimental factors such as adsorbent dosage, inititial Safranin-O dye concentration, pH and contact time on the adsorption process were examined. The results showed that the adsorption capacities were dependent on these factors. Langmuir and Freundlich Isotherms Models were applied and the results indicated that both models fitted well with the observed data but Freundlich Model fitted better. Pseudo first and second order kinetic models were also applied to describe the adsorption kinetic, only the second order model fitted well with the experimental data. Thermodynamic parameters such as enthalpy change (∆H), Gibb’s free energy change (∆G) and entropy change (∆S) were evaluated using Van’t Hoff equations, both the free energy and enthalpy change were found to be negative indicating the feasibility and exorthermic nature of the adsorption process respectively. While the entropy change was found to be positive indicating that the degree of dispersion in the adsorption process increased with increase in temperature, Based on the results obtained from this research work, the activated carbon derived from coconut shell (CSAC) showed better adsorbent when compared with the one derived from pineapple peel (PPAC) as CSAC recorded the highest percentage of Safranin-O dye removal from waste water under all the experimental conditions.},
 year = {2019}
}

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TY  - JOUR
T1  - Equilibrium, Kinetics and Thermodynamic Studies on the Removal of Safranin-O from Waste Water Using Activated Carbons Derived from Coconut Shell and Pineapple Peel
AU  - Jibrin Mohammed
AU  - Ufaruna Idrisu Noah
AU  - Isah Jibrin
AU  - Kabiru Suleiman Madaki
AU  - Stephen Ingedu Audu
Y1  - 2019/01/30
PY  - 2019
N1  - https://doi.org/10.11648/j.ajpc.20190801.11
DO  - 10.11648/j.ajpc.20190801.11
T2  - American Journal of Physical Chemistry
JF  - American Journal of Physical Chemistry
JO  - American Journal of Physical Chemistry
SP  - 1
EP  - 10
PB  - Science Publishing Group
SN  - 2327-2449
UR  - https://doi.org/10.11648/j.ajpc.20190801.11
AB  - This work is aimed at comparing the adsorption capacities of the activated carbons derived from coconut shell and pineapple peels using Safranin-O as adsorbate. Physical activation method was employed to generate the activated carbons using phosphoric acid (H3 PO4) as activating agent. Batch adsorption experiment was employed for the adsorption process. Effects of experimental factors such as adsorbent dosage, inititial Safranin-O dye concentration, pH and contact time on the adsorption process were examined. The results showed that the adsorption capacities were dependent on these factors. Langmuir and Freundlich Isotherms Models were applied and the results indicated that both models fitted well with the observed data but Freundlich Model fitted better. Pseudo first and second order kinetic models were also applied to describe the adsorption kinetic, only the second order model fitted well with the experimental data. Thermodynamic parameters such as enthalpy change (∆H), Gibb’s free energy change (∆G) and entropy change (∆S) were evaluated using Van’t Hoff equations, both the free energy and enthalpy change were found to be negative indicating the feasibility and exorthermic nature of the adsorption process respectively. While the entropy change was found to be positive indicating that the degree of dispersion in the adsorption process increased with increase in temperature, Based on the results obtained from this research work, the activated carbon derived from coconut shell (CSAC) showed better adsorbent when compared with the one derived from pineapple peel (PPAC) as CSAC recorded the highest percentage of Safranin-O dye removal from waste water under all the experimental conditions.
VL  - 8
IS  - 1
ER  -

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Author Information

Jibrin Mohammed

Department of Chemistry, Faculty of Natural & Applied Sciences, Nasarawa State University, Keffi, Nigeria
Ufaruna Idrisu Noah

Department of Chemistry, Faculty of Natural & Applied Sciences, Nasarawa State University, Keffi, Nigeria
Isah Jibrin

Department of Chemistry, Faculty of Natural & Applied Sciences, Nasarawa State University, Keffi, Nigeria
Kabiru Suleiman Madaki

Department of Science Laboratory Technology, Faculty of Natural & Applied Sciences, Nasarawa State University, Keffi, Nigeria
Stephen Ingedu Audu

Department of Chemistry, Faculty of Natural & Applied Sciences, Nasarawa State University, Keffi, Nigeria

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APA Style

Jibrin Mohammed, Ufaruna Idrisu Noah, Isah Jibrin, Kabiru Suleiman Madaki, Stephen Ingedu Audu. (2019). Equilibrium, Kinetics and Thermodynamic Studies on the Removal of Safranin-O from Waste Water Using Activated Carbons Derived from Coconut Shell and Pineapple Peel. American Journal of Physical Chemistry, 8(1), 1-10. https://doi.org/10.11648/j.ajpc.20190801.11

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ACS Style

Jibrin Mohammed; Ufaruna Idrisu Noah; Isah Jibrin; Kabiru Suleiman Madaki; Stephen Ingedu Audu. Equilibrium, Kinetics and Thermodynamic Studies on the Removal of Safranin-O from Waste Water Using Activated Carbons Derived from Coconut Shell and Pineapple Peel. Am. J. Phys. Chem. 2019, 8(1), 1-10. doi: 10.11648/j.ajpc.20190801.11

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AMA Style

Jibrin Mohammed, Ufaruna Idrisu Noah, Isah Jibrin, Kabiru Suleiman Madaki, Stephen Ingedu Audu. Equilibrium, Kinetics and Thermodynamic Studies on the Removal of Safranin-O from Waste Water Using Activated Carbons Derived from Coconut Shell and Pineapple Peel. Am J Phys Chem. 2019;8(1):1-10. doi: 10.11648/j.ajpc.20190801.11

Copy | Download

@article{10.11648/j.ajpc.20190801.11,
  author = {Jibrin Mohammed and Ufaruna Idrisu Noah and Isah Jibrin and Kabiru Suleiman Madaki and Stephen Ingedu Audu},
  title = {Equilibrium, Kinetics and Thermodynamic Studies on the Removal of Safranin-O from Waste Water Using Activated Carbons Derived from Coconut Shell and Pineapple Peel},
  journal = {American Journal of Physical Chemistry},
  volume = {8},
  number = {1},
  pages = {1-10},
  doi = {10.11648/j.ajpc.20190801.11},
  url = {https://doi.org/10.11648/j.ajpc.20190801.11},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajpc.20190801.11},
  abstract = {This work is aimed at comparing the adsorption capacities of the activated carbons derived from coconut shell and pineapple peels using Safranin-O as adsorbate. Physical activation method was employed to generate the activated carbons using phosphoric acid (H3 PO4) as activating agent. Batch adsorption experiment was employed for the adsorption process. Effects of experimental factors such as adsorbent dosage, inititial Safranin-O dye concentration, pH and contact time on the adsorption process were examined. The results showed that the adsorption capacities were dependent on these factors. Langmuir and Freundlich Isotherms Models were applied and the results indicated that both models fitted well with the observed data but Freundlich Model fitted better. Pseudo first and second order kinetic models were also applied to describe the adsorption kinetic, only the second order model fitted well with the experimental data. Thermodynamic parameters such as enthalpy change (∆H), Gibb’s free energy change (∆G) and entropy change (∆S) were evaluated using Van’t Hoff equations, both the free energy and enthalpy change were found to be negative indicating the feasibility and exorthermic nature of the adsorption process respectively. While the entropy change was found to be positive indicating that the degree of dispersion in the adsorption process increased with increase in temperature, Based on the results obtained from this research work, the activated carbon derived from coconut shell (CSAC) showed better adsorbent when compared with the one derived from pineapple peel (PPAC) as CSAC recorded the highest percentage of Safranin-O dye removal from waste water under all the experimental conditions.},
 year = {2019}
}

Copy | Download

TY  - JOUR
T1  - Equilibrium, Kinetics and Thermodynamic Studies on the Removal of Safranin-O from Waste Water Using Activated Carbons Derived from Coconut Shell and Pineapple Peel
AU  - Jibrin Mohammed
AU  - Ufaruna Idrisu Noah
AU  - Isah Jibrin
AU  - Kabiru Suleiman Madaki
AU  - Stephen Ingedu Audu
Y1  - 2019/01/30
PY  - 2019
N1  - https://doi.org/10.11648/j.ajpc.20190801.11
DO  - 10.11648/j.ajpc.20190801.11
T2  - American Journal of Physical Chemistry
JF  - American Journal of Physical Chemistry
JO  - American Journal of Physical Chemistry
SP  - 1
EP  - 10
PB  - Science Publishing Group
SN  - 2327-2449
UR  - https://doi.org/10.11648/j.ajpc.20190801.11
AB  - This work is aimed at comparing the adsorption capacities of the activated carbons derived from coconut shell and pineapple peels using Safranin-O as adsorbate. Physical activation method was employed to generate the activated carbons using phosphoric acid (H3 PO4) as activating agent. Batch adsorption experiment was employed for the adsorption process. Effects of experimental factors such as adsorbent dosage, inititial Safranin-O dye concentration, pH and contact time on the adsorption process were examined. The results showed that the adsorption capacities were dependent on these factors. Langmuir and Freundlich Isotherms Models were applied and the results indicated that both models fitted well with the observed data but Freundlich Model fitted better. Pseudo first and second order kinetic models were also applied to describe the adsorption kinetic, only the second order model fitted well with the experimental data. Thermodynamic parameters such as enthalpy change (∆H), Gibb’s free energy change (∆G) and entropy change (∆S) were evaluated using Van’t Hoff equations, both the free energy and enthalpy change were found to be negative indicating the feasibility and exorthermic nature of the adsorption process respectively. While the entropy change was found to be positive indicating that the degree of dispersion in the adsorption process increased with increase in temperature, Based on the results obtained from this research work, the activated carbon derived from coconut shell (CSAC) showed better adsorbent when compared with the one derived from pineapple peel (PPAC) as CSAC recorded the highest percentage of Safranin-O dye removal from waste water under all the experimental conditions.
VL  - 8
IS  - 1
ER  -

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