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Journal of Radioanalytical and Nuclear Chemistry

, Volume 311, Issue 3, pp 1839–1847 | Cite as

Adsorptive removal of Eu(III) from simulated groundwater by GMZ bentonite on the repository conditions

  • Yong-Gui ChenEmail author
  • Zhao Sun
  • Wei-Min Ye
  • Yu-Jun Cui
Article

Abstract

This study investigated the adsorption of Eu(III) from simulated Beishan groundwater onto Gaomiaozi bentontie. The effects of shaking time, temperature, concentration of the adsorbent, pH value and concentration of Eu(III) were analyzed. Results showed that the adsorption could reach the equilibrium at 45 min and the maximum adsorption capacity can get to 4.52 mg/g. The optimum pH was observed above 8.5 at temperature 298 K; the adsorption capability increased with the pH value increasing from 2 to 12, which are expected to occur in the near field of Chinese repository. The adsorption process could be described with the Freundlich isotherm.

Keywords

High-level radioactive waste Repository GMZ bentonite Groundwater Eu(III) Adsorption 

Notes

Acknowledgements

The authors are grateful to the National Natural Science Foundation of China (41422207, 41272287 & 41527801), China Atomic Energy Authority ([2011]1051), Scientific Research Fund of Human Provincial Education Department (15A009) and Fundamental Research Funds for the Central Universities.

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Copyright information

© Akadémiai Kiadó, Budapest, Hungary 2017

Authors and Affiliations

  1. 1.Key Laboratory of Geotechnical & Underground Engineering of Ministry of Education, Department of Geotechnical EngineeringTongji UniversityShanghaiPeople’s Republic of China
  2. 2.Laboratoire Navier/CERMES, Ecole des Ponts - ParisTechMarne-La-ValléeFrance

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