Kinetics, Equilibrium, and Thermodynamic Studies on Adsorption of Methylene Blue by Carbonized Plant Leaf Powder
Joint Authors
Source
Issue
Vol. 2013, Issue 2013 (31 Dec. 2013), pp.1-6, 6 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2012-09-27
Country of Publication
Egypt
No. of Pages
6
Main Subjects
Abstract EN
Carbon synthesized from plant leaf powder was employed for the adsorption of methylene blue from aqueous effluent.
Effects of pH (2, 4, 6, 8, and 9), dye concentration (50, 100, 150, and 200 mg/dm3), adsorbent dosage (0.5, 1.0, 1.5, and 2.0 g/dm3), and temperature (303, 313, and 323 K) were studied.
The process followed pseudo-second-order kinetics.
Equilibrium data was examined with Langmuir and Freundlich isotherm models and Langmuir model was found to be the best fitting model with high R2 and low chi2 values.
Langmuir monolayer adsorption capacity of the adsorbent was found to be 61.22 mg/g.
From the thermodynamic analysis, ΔH, ΔG, and ΔS values for the adsorption of MB onto the plant leaf carbon were found out.
From the values of free energy change, the process was found out to be feasible process.
From the magnitude of ΔH, the process was found to be endothermic physisorption.
American Psychological Association (APA)
Gunasekar, V.& Ponnusami, V.. 2012. Kinetics, Equilibrium, and Thermodynamic Studies on Adsorption of Methylene Blue by Carbonized Plant Leaf Powder. Journal of Chemistry،Vol. 2013, no. 2013, pp.1-6.
https://search.emarefa.net/detail/BIM-470335
Modern Language Association (MLA)
Gunasekar, V.& Ponnusami, V.. Kinetics, Equilibrium, and Thermodynamic Studies on Adsorption of Methylene Blue by Carbonized Plant Leaf Powder. Journal of Chemistry No. 2013 (2013), pp.1-6.
https://search.emarefa.net/detail/BIM-470335
American Medical Association (AMA)
Gunasekar, V.& Ponnusami, V.. Kinetics, Equilibrium, and Thermodynamic Studies on Adsorption of Methylene Blue by Carbonized Plant Leaf Powder. Journal of Chemistry. 2012. Vol. 2013, no. 2013, pp.1-6.
https://search.emarefa.net/detail/BIM-470335
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-470335