Journal
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
Volume 34, Issue -, Pages 130-138Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jiec.2015.11.001
Keywords
Adsorption; Dye; MWCNT-COOH; Malachite green; Aqueous solutions
Funding
- Islamic Azad University
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MWCNTs functionalized with the carboxylate group are used as efficient adsorbent for the rapid removal and fast adsorption of malachite green from the aqueous solutions. The optimized contact time and pH were 10 min and 9, respectively. The effect of temperature revealed that the adsorption capacity of malachite green (MG) dye increased with increasing contact time, temperature and pH of the working solution. The adsorption equilibrium and kinetic data was well fitted and found to be in good agreement with the Langmuir isotherm model and pseudo second order kinetic model respectively with high correlation coefficient. (C) 2015 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
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