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Please use this identifier to cite or link to this item: http://repository.iitr.ac.in/handle/123456789/2804
Title: Adsorption of furfural from aqueous solution onto activated carbon: Kinetic, equilibrium and thermodynamic study
Authors: Sahu A.K.
Srivastava V.C.
Mall I.D.
Lataye D.H.
Published in: Separation Science and Technology
Abstract: The present study aims to evaluate the influence of various experimental parameters viz. initial pH (pH0), adsorbent dose, contact time, initial concentration and temperature on the adsorptive removal of furfural from aqueous solution by commercial grade activated carbon (ACC). Optimum conditions for furfural removal were found to be pH0 5.9, adsorbent dose 10g/l of solution and equilibrium time 6.0h. The adsorption followed pseudo-second-order kinetics. The effective diffusion coefficient of furfural was of the order of 10-13m2/s. Furfural adsorption onto ACC was found to be best represented by the Redlich-Peterson isotherm. A decrease in the temperature of the operation favorably influenced the adsorption of furfural onto ACC. The positive values of the change in entropy (S0); and the negatived value of heat of adsorption (H0) and change in Gibbs free energy (G0) indicated feasible, exothermic, and spontaneous nature of furfural adsorption onto ACC. Copyright © Taylor & Francis Group, LLC.
Citation: Separation Science and Technology (2008), 43(5): 1239-1259
URI: https://doi.org/10.1080/01496390701885711
http://repository.iitr.ac.in/handle/123456789/2804
Issue Date: 2008
Keywords: Activated carbon
Adsorption kinetics
Adsorption thermodynamics
Furfurals
Isotherms
ISSN: 1496395
Author Scopus IDs: 15766212300
35565811700
55664368900
14033330100
Author Affiliations: Sahu, A.K., Department of Chemical Engineering, Indian Institute of Technology Roorkee, Roorkee, India
Srivastava, V.C., Department of Chemical Engineering, Indian Institute of Technology Roorkee, Roorkee, India
Mall, I.D., Department of Chemical Engineering, Indian Institute of Technology Roorkee, Roorkee, India, Department of Chemical Engineering, Indian Institute of Technology Roorkee, Roorkee 247667, India
Lataye, D.H., Department of Chemical Engineering, Indian Institute of Technology Roorkee, Roorkee, India
Funding Details: Authors are thankful to the Ministry of Human Resource and Development, Government of India, for providing financial support to undertake the work.
Corresponding Author: Mall, I. D.; Department of Chemical Engineering, Indian Institute of Technology Roorkee, Roorkee 247667, India; email: id_mall2000@yahoo.co.in
Appears in Collections:Journal Publications [CH]

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