Korean Journal of Chemical Engineering, Vol.30, No.8, 1644-1651, 2013
Silica nanoparticles modified with a Schiff base ligand: An efficient adsorbent for Th(IV), U(VI) and Eu(III) ions
Modification of SiO2 nanoparticles by salicylaldiminepropyl results in efficient adsorbents for removal of Th4+, UO22+ and Eu3+ ions from aqueous solutions. The effect of parameters influencing the adsorption efficiency such as aqueous phase pH, contact time, initial metal ions concentration, adsorbent dosage and temperature dependency of the process was verified and discussed. Under optimal conditions (pH 5.5, adsorbent dosage 0.05 g, contact time 30 min. and 25 ℃), thorium and uranyl ions (initial concentration 20 mg/l) were quantitatively removed from 20 ml of sample solution. Under such conditions 85% of europium ions was removed. Comparison of the adsorption efficiency of the studied modified nano-particles with those unmodified ones shows a shift for uptake of the metal ions vs. pH curves towards lower pH values by applying the modified adsorbents. In addition, a significant improvement of europium
ions adsorption was observed by using the modified nanoparticles. Kinetics of the process was studied by considering a pseudo second-order model. This model predicts chemisorption for the adsorption mechanism. Freundlich, Langmuir and Temkin models were suitable for describing the equilibrium data of Th4+, UO22+ and Eu3+ adsorption process, respectively. Thermodynamic investigation reveals the adsorption process of the studied ions is entropy driven.
[References]
Malone JF, Marrs DJ, McKervey MA, O’Hagan P, Thompson N, Walker A, Aranaud-Neu F, Mauprivez O, Schwing-Weill MJ, Dozol JF, Rouquette H, Simon N, J. Chem. Soc., Chem. Commun. , 2151, 1995
Arnaud-Neu F, Bohmer V, Dozol JF, Gruttner C, Jakobi RA, Kraft D, Mauprivez O, Rouquette H, Schwing-Weill MJ, Simon N, Vogt W, J. Chem. Soc., Perkin Trans. II. , 1175, 1996
Nash KL, Solvent Extr. Ion Exch. , 11 , 729, 1993
Madic C, Bourgesm J, Dozol JF, International conference on accelerators-driven transmutation technology and applications, Las Vegas, 1994
Raju CSK, Subramanian MS, Sivaraman N, Srinivasan TG, Roab BRV, J. Chromatogr. A. , 1156 , 340, 2007
Jain VK, Pandya RA, Pillai SG, Shrivastav PS, Talanta. , 70 , 257, 2006
Joona JK, Mikko JS, Hanna JHH, Simo KTT, Opt. Exp. , 14 , 11539, 2006
Gupta B, Malik P, Deep A, J. Radioanal. Nucl. Chem. , 251 , 451, 2002
Eskandari Nasab M, Samm A, Milani SA, Hydrometallurgy. , 106 , 141, 2011
Sahu SK, Chakravortty V, Reddy MLP, Ramamohan TR, Talanta. , 51 , 523, 2000
Zhong X, Wu Y, Radioanal J, Nucl. Chem. , 292 , 355, 2012
Kumar P, Pal A, Saxena MK, Ramakumar KL, Desalination , 232 (1-3), 71, 2008
Fujiwara A, Kameo Y, Hoshi A, Haraga T, Nakashima M, J.Chromatogr. A. , 1140 , 163, 2007
Jaison PG, Telmore VM, Kumar P, Aggarwal SK, J. Chromatogr.A. , 1216 , 1383, 2009
Hritcu D, Humelnicu D, Dodi G, Popa MI, Carbohyd. Polym. , 87 , 1155, 2012
Pereira MD, Arruda MAZ, Microchim. Acta. , 141 , 115, 2003
Ghiasvand AR, Ghaderi R, Kakanejadifard A, Talanta. , 62 , 287, 2004
Jal PK, Patel S, Mishra BK, Talanta. , 62 , 1005, 2004
Gurnani V, Singh AK, Venkataramani B, Anal. Chim. Acta. , 485 , 221, 2003
El-shahat MF, Moawed EA, Zaid MAA, Talanta. , 59 , 851, 2003
Uzun A, Soylak M, Elc IL, Talanta. , 54 , 197, 2001
Nelms SM, Greenway GM, Koller D, J. Anal. At. Spectrom. , 11 , 907, 1996
Patil S, Sandberg A, Heckert E, Self W, Seal S, Biomolecules. , 28 , 4600, 2007
Stumf MJP, Graf C, Ruhi E, Muller RH, Int. J. Pharm. , 428 , 125, 2012
Saxena A, Mangal L, Rai PM, Rawat AS, Kumar V, Datta M, J. Hazard. Mater. , 180 (1-3), 566, 2010
Ghosh S, Badruddoza AZM, Uddin MS, Hidajat K, J. Colloid Interface Sci. , 354 (2), 483, 2011
Feng YA, Gong JL, Zeng GM, Niu QY, Zhang HY, Niu CG, Deng JH, Yan M, Chem. Eng. J. , 162 (2), 487, 2010
Sharma YC, Srivastava V, Singh VK, Kauf SN, Weng CH, Environ. Technol. , 30 , 583, 2009
Nilchi A, Shariati Dehaghan T, Rasoul Garmarodi S, Desalination. , DOI: 10.16/j.desal.2012.06.022.
Sadeghi S, Azhdari H, Arabi H, Zeraatkar Moghadam A, J.Hazard. Matter. , 215-216 , 208, 2012
Sayin S, Yilmaz M, Desalination , 276 (1-3), 328, 2011
Shiri-Yekta Z, Yaftian MR, Nilchi A, J.Iran. Chem. Soc. , 10 , 221, 2013
Sehati N, Shiri-Yekta Z, Zamani AA, Yaftian MR, Noshiranzadeh N, Sep. Sci. Technol. , 47 (5), 670, 2012
Yaftian MR, Razipour MR, Matt D, J.Radioanal. Nucl. Chem. , 270 , 357, 2006
Yaftian MR, Taheri R, Zamani AA, Matt D, J. Radioanal. Nucl. Chem. , 262 , 255, 2004
Zamani AA, Yaftian MR, Sep. Purif. Technol. , 40 (2), 115, 2004
Yaftian MR, Eshraghi ME, Hassanzadeh L, Iran. J. Chem. Chem. Eng. , 22 , 71, 2003
Yaftian MR, Hassanzadeh L, Eshraghi ME, Matt D, Sep. Purif. Technol. , 31 (3), 261, 2003
Fathi SAM, Rostamkhani S, Yaftian MR, J. Anal. Chem. , 65 , 614, 2010
Parinejad M, Yaftian MR, Iran. J. Chem. Chem. Eng. , 28 , 85, 2009
Fathi SAM, Yaftian MR, J. Colloid Interface Sci. , 334 (2), 167, 2009
Fathi SAM, Yaftian MR, J. Hazard. Mater. , 164 (1), 133, 2009
Ghorbanloo M, Monfared HH, Janiak C, J. Mol. Catal. A-Chem. , 345 (1-2), 12, 2011
Dean JA, Analytical chemistry handbook, McGraw-Hill, New York, 1995
Ho YS, Ofomaja AE, J. Hazard. Mater. , B129 , 137, 2006
Jiang H, Xu Y, Zhang J, Zhang L, Han R, Life Sci. J. , 4 , 42, 2007
Vadivelan V, Kumar KV, J. Colloid Interface Sci. , 286 (1), 90, 2005
Mehrasbi MR, Farahmandkia Z, Taghibeigloo B, Taromi A, Water Air Soil Pollut. , 199 , 343, 2009
Nameni M, Alavi Moghadam MR, Arami M, Int. J. Environ.Sci. Technol. , 5 , 161, 2008
[Cited By]
Ahmadi SJ, Akbari N, Shiri-Yekta Z, Mashhadizadeh MH, Hosseinpour M, Korean Journal of Chemical Engineering , 32 (3), 478, 2015
Kawady NA, Gawad EAE, Mubark AE, Korean Journal of Chemical Engineering , 39 (2), 408, 2022
이전 논문 다음 논문
Result Search