[1] S. Rengaraj, Y. Kim, C.K. Joo, K. Choi, J.Yi, Batch adsorptive removal of copper ions in aqueous solutions by ion exchange resins: 1200H and IRN97H, Korean J. Chem. Eng. 21 (2004) 187.
[2] Y. Omer, A.Yalcin, G. Fuat, Removal of copper, nickel, cobalt and manganese from aqueous solution by kaolinite, Water Res. 37 (2003) 948.
[3] A. Zhang, Q. Hu, Adsorption of cesium and some typical coexistent elements onto a modified macroporoussilica based supramolecular recognition material, Chem. Eng. J. 159 (2010) 58–66.
[4] A. Nilchi, H. Atashi, A.H. Javid, R. Saberi, Preparations of PAN-based adsorbers for separation of cesium and cobalt from radioactive wastes, Appl. Rad. Isotop. 65 (2007) 482–487.
[5] H.F. Aly, E.S. Zakaria, S.A. Shady, I.M. El-Naggar, Adsorption of some hazardous radionuclides on cerium (IV) antimonite, Journal of radio analytical and nuclear chemistry, 241(2) (1999) 331-336.
[6] A. Nilchi, B. Maalek, A. Khanchi, M. Ghanadi Maragheh, A. Bagheri, Cerium (IV) molybdate cation exchanger: Synthesis, properties and ion separation capabilities, Rad. Phys. Chem. 75(2) (2006) 301–308.
[7] A.K. Kaygun, S. Akyil, Study of the behaviour of thorium adsorption on PAN-zeolite composite adsorbent, J. Hazard. Mater. 147 (2007) 357–362.
[8] A. Nilchi, A. Khanchi, H. Atashi, A. Bagheri, L. Nematollahi, The application and properties of composite sorbents of inorganic ion exchangers and polyacrylonitrile binding matrix, J. Hazard. Mater. 137 (2006) 1271– 1276.
[9] J. Wu, B. Li, J. Liao, Y. Feng, D. Zhang, J. Zhao, W. Wen, Y. Yang, N. Liu, Behavior and analysis of cesium adsorption on montmorillonite mineral, J. Environ. Radioactive 100 (2009) 914–920.
[10]I. Langmuir, The constitution and fundamental properties of solids and liquids. J. Am. Chem. Soc. 38 (1916) 2221–2295.
[11] H.M.F. Freundlich, Uber die adsorption in losungen, Journal of Physics Chemistry. 57 (1906) 385–470.