Journal of Radioanalytical and Nuclear Chemistry

, Volume 318, Issue 3, pp 2193–2197 | Cite as

The effect of surface properties on the uranium adsorption by mesoporous ceria

  • Polyxeni PaschalidouEmail author
  • Ioanna Liatsou
  • Ioannis Pashalidis
  • Charis R. Theocharis


CeO2 solids of different surface areas have been prepared by a sol–gel method using Triton X-100. The samples have then characterized by N2 adsorption, XRD, SEM microscopy and FTIR spectroscopy. Furthermore, the effect of the surface area on the U(VI) adsorption was investigated by batch-type experiments and evaluated by correlating the surface parameters with the corresponding maximum adsorption capacity values (0.108 < qmax < 0.162 mg g−1). The adsorption of U(VI) by CeO2 is well described by the Langmuir isotherm model indicating simple interaction between the U(VI) ions and the surface hydroxyl groups.


Uranium Ceria Surface area and hydroxyl groups U(VI) adsorption isotherms qmax values 

Supplementary material

10967_2018_6195_MOESM1_ESM.docx (322 kb)
Supplementary material 1 (DOCX 322 kb)


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Copyright information

© Akadémiai Kiadó, Budapest, Hungary 2018

Authors and Affiliations

  • Polyxeni Paschalidou
    • 1
    Email author
  • Ioanna Liatsou
    • 1
  • Ioannis Pashalidis
    • 1
  • Charis R. Theocharis
    • 1
  1. 1.Department of ChemistryUniversity of CyprusNicosiaCyprus

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