Kinetic Modeling and Thermodynamic Study of Methylene Blue Sorption on Bael Activated Carbon

Authors

  • Santhi Raju Pilli Jazan University, Kingdom of Saudi Arabia Al Maarefah Rd, Jazan Saudi Arabia

DOI:

https://doi.org/10.30732/IJBBB.20190403004

Keywords:

Bio-sorption, Bael fruit shell, Basic dye, Low cost adsorbent

Abstract

This work presents methylene blue (MB) removal by bael shell activated carbon (BSAC) from simulated wastewater. The effects of various parameters such as pH, contact time, initial MB concentration and temperature were investigated. The adsorption capacity was found to increase with increase in the four parameters studied. Equilibrium data were fitted with both Langmuir as well as Freundlich adsorption model. The equilibrium data were best represented by the Langmuir isotherm, with maximum monolayer sorption capacity of 196.08 mg/g at 30 ºC. The sorption kinetics was found to follow the pseudo-second-order kinetic model. SEM and EDX analysis were employed to analyse the morphology and elemental composition of adsorbent. FT-IR spectra of BSAC showed that the OH- functional group was predominantly responsible for the MB adsorption. The results revealed that BSAC can be an attractive low cost alternative adsorbent for the treatment of wastewater containing higher concentrations of MB.  

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Published

2020-01-27

How to Cite

Pilli, S. R. (2020). Kinetic Modeling and Thermodynamic Study of Methylene Blue Sorption on Bael Activated Carbon. CSVTU International Journal of Biotechnology, Bioinformatics and Biomedical, 4(3), 94–106. https://doi.org/10.30732/IJBBB.20190403004

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