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Enhancing the Sorption of Uranyl Ions in the Presence of Carbonate Ions on Zeolite and Mesoporous Materials

[+] Author Affiliations
H. Kazemian, H. Ghasemi Mobtaker, M. H. Mallah, M. Motamedi, M. Abbas Mohsen, A. M. Nejad

Atomic Energy Organization of Iran, Tehran, Iran

Paper No. ICEM2003-4637, pp. 185-188; 4 pages
  • ASME 2003 9th International Conference on Radioactive Waste Management and Environmental Remediation
  • 9th ASME International Conference on Radioactive Waste Management and Environmental Remediation: Volumes 1, 2, and 3
  • Oxford, England, September 21–25, 2003
  • Conference Sponsors: Nuclear Engineering Division and Environmental Engineering Division
  • ISBN: 0-7918-3732-7 | eISBN: 0-7918-3731-9
  • Copyright © 2003 by ASME


In this study the effect of carbonate concentration on the sorption of uranyl ion from wastewaters was investigated. In the presence of carbonate ions, uranyl cation form a stable anionic complex which disturbs the removal of uranyl by cation exchangers such as zeolite P and A. These zeolites were loaded with some cations and investigated for the sorption of the complex. The sorption of uranyl by a surfactant-modified zeolite was investigated too. Because of low selectivity of these samples, a MCM-41/ZSM-5 composite was synthesized and loaded with a cation and the sorption of mentioned complex by composite was also investigated and the results were promising.

Copyright © 2003 by ASME
Topics: Ions , Sorption



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