Sorption/desorption of radioruthenium on the surface sediments of Daya Bay, China

  • J. Z. Du
  • H. Q. Song
  • D. H. Mu
  • D. J. Li
  • S. P. Yan
  • Y. J. Gu


The sorption/desorption of radioruthenium was investigated by the batch method in sea water system at ambient temperature on the surface sediments obtained around the Daya Bay of Guangdong Province, where the first nuclear power station of China has been running from 1994. It was found that the sorption percentage was obtained to be around 40% for all the surface sediments in 60 minutes. Then, the sorption percentage goes up slowly. The sorption percentage of radioruthenium reached around 80% in 113 days (2713 hours). The distribution coefficients decreased from 3.16·104 to 1.35·103 ml/g with the increasing of sediment concentration in the range of 4–10000 mg/l. The results of the desorption experiments suggest that the sorption of radioruthenium is irreversible with 81.5% relative hysteresis coefficient.


Ruthenium Surface Sediment Distribution Coefficient Sediment Concentration Nuclear Power Station 
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Copyright information

© Springer Science+Business Media, Inc. 2007

Authors and Affiliations

  • J. Z. Du
    • 1
  • H. Q. Song
    • 2
  • D. H. Mu
    • 3
  • D. J. Li
    • 1
  • S. P. Yan
    • 3
  • Y. J. Gu
    • 3
  1. 1.State Key Laboratory of Estuarine and Coastal ResearchEast China Normal UniversityShanghaiP.R. China
  2. 2.Guangdong Environmental Radiation Research and Monitoring CenterGuangzhouP.R. China
  3. 3.Guangdong Key Laboratory of Chemical Emergency TestChina National Analytical CenterGuangzhouP.R. China

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