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Please use this identifier to cite or link to this item: http://repository.iitr.ac.in/handle/123456789/1945
Title: Adsorption of acrylonitrile from aqueous solution using bagasse fly ash
Authors: Kumar A.
Prasad B.
Mishra I.M.
Published in: Journal of Water Process Engineering
Abstract: The adsorption of acrylonitrile (AN) by bagasse fly ash was studied at the temperature of 303K with different initial concentrations of AN (50, 100, 200, and 500mg/l). Removal and the effect of initial pH, adsorbent dosage (m), and contact time (t) on the kinetics of the sorption process were also studied. Optimum conditions for AN removal were found to be m?4g/l of solution and the equilibrium time ?5h. Three kinetic models viz. the pseudo-first-order, pseudo-second-order and Intra-particle diffusion models were tested to study the dynamics of the AN-BFA system. Results show that the adsorption process was best represented by the pseudo second-order equation. It was also observed that the isosteric heat of adsorption is high at very low coverage and decreases steadily with an increase in qe indicating that BFA has energetically heterogeneous surfaces. The spent BFA loaded with AN can be disposed off in the boilers/incinerators, or can be used for the production of fuel-briquettes, so as to utilize the energy of the BFA and AN. © 2014.
Citation: Journal of Water Process Engineering (2014), 2(): 129-133
URI: https://doi.org/10.1016/j.jwpe.2014.05.003
http://repository.iitr.ac.in/handle/123456789/1945
Issue Date: 2014
Publisher: Elsevier Ltd
Keywords: Acrylonitrile
Adsorption
Bagasse-fly Ash
Isosteric heat of adsorption
Kinetics
ISSN: 22147144
Author Scopus IDs: 56982061300
15838004000
23668474600
Author Affiliations: Kumar, A., Department of Chemical Engineering, National Institute of Technology, Rourkela, Rourkela 769 008 Orissa, India
Prasad, B., Department of Chemical Engineering, Indian Institute of Technology, Roorkee, Roorkee 247 667 Uttarakhand, India
Mishra, I.M., Department of Chemical Engineering, Indian Institute of Technology, Roorkee, Roorkee 247 667 Uttarakhand, India
Funding Details: Authors are thankful to the Ministry of Human Resource and Development , Government of India, for providing financial support to undertake this work.
Corresponding Author: Kumar, A.; Department of Chemical Engineering, National Institute of Technology, Rourkela, Rourkela 769 008 Orissa, India; email: arvindkumar@nitrkl.ac.in
Appears in Collections:Journal Publications [CH]

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