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Vol. 26 No. 24 (2014)

Copyright (c) 2014 Asmaa O. Alabdullatif, Abd Hamid Yahaya, Rosiyah Yahya, Hatem A. AL-Aoh*

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This work is licensed under a Creative Commons Attribution 4.0 International License.

Removal of Methylene Blue from Synthytic Waste Water by Coconut Husk Fiber Based-Activated Carbon

https://doi.org/10.14233/ajchem.2014.16954
Asmaa O. Alabdullatif
Chemistry Department, Faculty of Science, University of Tabuk, 71491 Tabuk, Saudi Arabia *Corresponding author: Tel: +966 537692007, E-mail: issa_hatem2@yahoo.com
Abd Hamid Yahaya
Chemistry Department, Faculty of Science, University of Tabuk, 71491 Tabuk, Saudi Arabia *Corresponding author: Tel: +966 537692007, E-mail: issa_hatem2@yahoo.com
Rosiyah Yahya
Chemistry Department, Faculty of Science, University of Tabuk, 71491 Tabuk, Saudi Arabia *Corresponding author: Tel: +966 537692007, E-mail: issa_hatem2@yahoo.com
Hatem A. AL-Aoh*
Chemistry Department, Faculty of Science, University of Tabuk, 71491 Tabuk, Saudi Arabia *Corresponding author: Tel: +966 537692007, E-mail: issa_hatem2@yahoo.com

Corresponding Author(s) : Asmaa O. Alabdullatif

Asian Journal of Chemistry, Vol. 26 No. 24 (2014)

Abstract

The adsorption of methylene blue on activated carbon fiber and granular activated carbon was studied in a batch system. The effects of initial concentration, agitation time, solution pH and temperature were examined. Langmuir and Freundlich models were applied to investigate adsorption isotherms. It was found that, the Langmuir model fits well with the experimental data in the case of activated carbon fiber, whereas both models fit the experimental data for adsorption of methylene blue on granulated activated carbons. The pseudo first-order, second-order and intra-particle diffusion models were used to examine the kinetics data. The results obtained showed that empirical kinetics data of both activated carbon fiber and granulated activated carbons were only well described by the second-order model. It was observed that the granulated activated carbons has adsorption performance higher than that of activated carbon fiber. Adsorption thermodynamics parameters were investigated and their values indicated that the adsorption of methylene blue on activated carbon fiber and granulated activated carbons were endothermic and spontaneous processes.

Keywords

Isotherm Kinetics Thermodynamics Methylene blue Coconut husk fiber Activated carbon fiber.
O. Alabdullatif, A., Hamid Yahaya, A., Yahya, R., & A. AL-Aoh*, H. (2014). Removal of Methylene Blue from Synthytic Waste Water by Coconut Husk Fiber Based-Activated Carbon. Asian Journal of Chemistry, 26(24), 8325–8332. https://doi.org/10.14233/ajchem.2014.16954
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