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Received May 16, 2012
Accepted August 2, 2012
- This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
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Adsorption ability of oxidized multiwalled carbon nanotubes towards aqueous Ce(III) and Sm(III)
Fattaneh Naderi Behdani
Alireza Talebizadeh Rafsanjani†
Meisam Torab-Mostaedi1
Seyed Mohammad Amin Koochaki Mohammadpour
School of Chemical Engineering, University College of Engineering, University of Tehran, P. O. Box 11365-4563, Tehran, Iran 1Nuclear Fuel Cycle Research School, Nuclear Science and Technology Research Institute, P. O. Box 11365-8486, Tehran, Iran
atalebi@ut.ac.ir
Korean Journal of Chemical Engineering, February 2013, 30(2), 448-455(8), 10.1007/s11814-012-0126-9
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Abstract
The aim of the present work was to investigate the adsorption of Ce(III) and Sm(III) onto multiwalled carbon nanotubes (MWCNTs) oxidized with concentrate nitric acid. The effects of solution pH, adsorbent dosage, andcontact time were studied by batch technique. Langmuir, Freundlich and D-R isotherms were used to describe the adsorption behavior of Ce(III) and Sm(III) by oxidized MWCNTs, and the experimental results fitted Freundlich model well. The maximum uptake capacities (qm) calculated by applying the Langmuir equation for samarium and cerium ions were found to be 89.28 and 92.59 (mg/g), respectively. A comparison of the kinetic models and the overall experimental data was best fitted by the pseudo second-order kinetic model. The calculated thermodynamic parameters (ΔG°, ΔH°, and ΔS°) showed that the adsorption for Ce(III) and Sm(III) is feasible, spontaneous and exothermic at 30-60 ℃. Moreover, more than 70% of Ce(III) and Sm(III) adsorbed onto Oxidized MWCNTs could be desorbed with_x000D_
HNO3.
Keywords
References
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Fu F, Wang Q, J. Environ. Manage., 92, 407 (2011)
Chakravarty S, Mohanty A, Sudha TN, Upadhyay AK, Konar J, Sircar JK, Madhukar A, Gupta KK, J. Hazard. Mater., 173(1-3), 502 (2010)
Rafatullah M, Sulaiman O, Hashim R, Ahmad A, J. Hazard. Mater., 170(2-3), 969 (2009)
Wu D, Zhao J, Zhang L, Wu Q, Yang Y, Hydrometallurgy., 101, 76 (2010)
Kutahyali C, Sert S, Cetinkaya B, Inan S, Eral M, Sep. Sci. Technol., 45(10), 1456 (2010)
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Oliveira RC, Guibal E, Garcia O, Biotechnol. Prog., 28(3), 715 (2012)
Gupta VK, Rastogi A, Nayak A, J. Colloid Interface Sci., 342(1), 135 (2010)
Iijima S, Nature (London)., 354, 56 (1991)
Chen CL, Wang XK, Ind. Eng. Chem. Res., 45(26), 9144 (2006)
Sheng GD, Shao DD, Ren XM, Wang XQ, Li JX, Chen YX, Wang XK, J. Hazard. Mater., 178(1-3), 505 (2010)
Tan XL, Xu D, Chen CL, Wang XK, Hu WP, Radiochim.Acta., 96, 23 (2008)
Yang ST, Li JX, Shao DD, Hu J, Wang XK, J. Hazard. Mater., 166(1), 109 (2009)
Fan QH, Shao DD, Hu J, Chen CL, Wu WS, Wang XK, Radiochim. Acta., 97, 141 (2009)
Wang X, Chen C, Hu W, Ding AP, Xu D, Zhou X, Environ.Sci. Technol., 39, 2856 (2005)
Chen CL, Hu J, Xu D, Tan XL, Meng YD, Wang XK, J. Colloid Interface Sci., 323(1), 33 (2008)
Li GY, Jiang YR, Huang KL, Ding P, Yao LL, Colloids Surf.: A., 320, 11 (2008)
Zang ZP, Hu Z, Li ZH, He Q, Chang XJ, J. Hazard. Mater., 172(2-3), 958 (2009)
Gao ZM, Bandosz TJ, Zhao ZB, Han M, Qiu JS, J. Hazard. Mater., 167(1-3), 357 (2009)
Feng N, Guo X, Liang S, Zhu Y, Liu J, J. Hazard. Mater., 185, 49 (2011)
Sari A, Tuzen M, Citak D, Soylak M, J. Hazard. Mater., 148(1-2), 387 (2007)
Ghassabzadeh H, Mohadespour A, Torab-Mostaedi M, Zaheri P, Maragheh MG, Taheri H, J. Hazard. Mater., 177(1-3), 950 (2010)
Langmuir I, J. Am. Chem. Soc., 40, 1361 (1918)
Donat R, Akdogan A, Erdem E, Cetish H, J. Colloid Interface Sci., 286(1), 43 (2005)
Ozcan A, Oncu EM, Ozcan AS, Colloids Surf.: A., 277, 90 (2006)
Vijayaraghavan K, Sathishkumar M, Balasubramanian R, Ind. Eng. Chem. Res., 49(9), 4405 (2010)
Kutahyali C. Sert S, Cetinkaya B, Yalcinta E, Acar MB, Wood Sci. Technol., 46, 721 (2012)
Li D, Chang X, Hu Z, Wang Q, Li R, Chai X, Talanta., 83, 1742 (2011)
Oliveira RC, Houannin C, Guibal E, Garcia O, Process Biochem., 46, 736 (2011)
Ho YS, McKay G, Process Biochem., 34(5), 451 (1999)
Tofighy MA, Mohammadi T, J. Hazard. Mater., 185, 140 (2011)
Chen JP, Wu S, Chong KH, Carbon., 41, 1979 (2003)
Figaro S, Avril JR, Brouers F, Ouensanga A, Gaspard S, J. Hazard. Mater., 161(2-3), 649 (2009)
Zou W, Han R, Chen Z, Jinghua Z, Shi J, Colloids Surf.: A., 279, 238 (2006)