Abstract
Hydrous cerium oxide was synthesized and laboratory study was conducted to address its applicability for decontamination of barium, strontium, molybdenum, europium, iodine, samarium and cesium ions from radioactive liquid wastes using radiotracer technique. The adsorption of Ba(II), Sr(II), Mo(II), Eu(II), I(I), Sm(III) and Cs(I) on hydrous cerium oxide has been investigated as a function of pH, concentration and temperature of the adsorptive solution and the result obtained show that these parameters affect the extent of adsorption. The ion-exchange capacity decreased at higher temperatures which could be due to decrease of active sites as well as hydrophilic properties of surface adsorbent. Hydrous cerium oxide shows relatively high adsorption in acidic and neutral media towards the radiotracers studied, which can be attributed to large hydrated radius and ion exclusion effect.
Similar content being viewed by others
References
A. Nilchi, M. Ghanadi Maragheh, A. Khanchi, Separ. Sci. Technol., 34 (1999) 1833.
A. Nilchi, M. Ghanadi Maragheh, A. Khanchi, J. Radioanal. Nucl. Chem., 245 (2000) 589.
A. Nilchi, A. Khanchi, M. Ghanadi Maragheh, Talanta, 56 (2002) 383.
A. Nilchi, M. Ghanadi Maragheh, A. Khanchi, M. A. Farajzadeh, A. A. Aghaei, J. Radioanal. Nucl. Chem., 261 (2004) 393.
N. Z. Miszak, H. B. Maghrawy, I. M. El. Naggar, Solid State Ionic, 37(1) (1989) 1.
N. Z. Miszak, I. M. El. Naggar, H. B. Maghrawy, N. S. Petro, J. Colloid Inter. Sci., 135(1) (1990) 6.
G. Alberti, U. Costantino, L. Zsinka, J. Inorg. Nucl. Chem., 34 (1973) 3549.
R. M. Iyer, A. R. Gupta, B. Venkataramani, Inorganic Ion Exchangers and Adsorbents for Chemical Processing in the Nuclear Fuel Cycle, IAEA-TECDOC-337, IAEA, Vienna, 1985.
G. Koulouris, J. Radioanal. Nucl. Chem., 212 (1996) 131.
E. Bujdosó, J. Radioanal. Nucl. Chem., 240 (1999) 1.
B. A. Phillips, E. W. Hooper, N. P. Moncton, Study of the Behaviour of Inorganic Ion Exchangers on the Treatment of Medium Active Effluents, AERE G-3857, 1986.
G. C. Bye, M. McEvoy, M. A. Malati, J. Chem. Soc. Faraday Trans. 1,79 (1983) 2311.
Author information
Authors and Affiliations
Corresponding author
Rights and permissions
About this article
Cite this article
Nilchi, A., Yaftian, M., Aboulhasanlo, G. et al. Adsorption of selected ions on hydrous cerium oxide. J Radioanal Nucl Chem 279, 65–74 (2009). https://doi.org/10.1007/s10967-007-7255-3
Received:
Published:
Issue Date:
DOI: https://doi.org/10.1007/s10967-007-7255-3