Journal of Radioanalytical and Nuclear Chemistry

, Volume 306, Issue 2, pp 349–356 | Cite as

Preparation of a novel biosorbent ISCB and its adsorption and desorption properties of uranium ions in aqueous solution

  • Fangzhu Xiao
  • Guowen Peng
  • Dexin Ding
  • Yimin Dai


A novel biosorbent—immobilized Saccharomyces Cerevisiae beads (ISCB) was prepared by the sodium alginate–gelatin embedding method after dry cells had been cross-linked by formaldehyde. The kinetic model can be described by the pseudo-second-order model well, its correlation coefficient R 2 is 0.9952 ± 0.051; and the isotherm models is fitted to Langmuir adsorption model. The maximum uranium biosorption capacity was calculated to be (163.9 ± 12.2 mg g−1), indicating that ISCB is a good biosorbent. The uranium adsorption percent p is over 90 % after ISCB have been regenerated 8 times using EDTA and HNO3, implying that the ISCB has a good reusability.


Uranium ions Adsorption isotherm Adsorption kinetics Desorption characteristics 



This work was financially supported by the National Natural Science Foundation of China (Nos. 11205084, 11275090), the Foundation of Hunan Province Science and Technology Department (2014GK3079, 2012GK3132), and the social development and science and technology support of Hengyang city (No. 2014KS26). The helpful comments from anonymous reviewers are also gratefully acknowledged.


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Copyright information

© Akadémiai Kiadó, Budapest, Hungary 2015

Authors and Affiliations

  • Fangzhu Xiao
    • 1
    • 2
  • Guowen Peng
    • 2
    • 3
  • Dexin Ding
    • 2
  • Yimin Dai
    • 3
  1. 1.School of Public HealthUniversity of South ChinaHengyangPeople’s Republic of China
  2. 2.Key Discipline Laboratory for National Defence for Biotechnology in Uranium Mining and HydrometallurgyUniversity of South ChinaHengyangPeople’s Republic of China
  3. 3.Hunan Provincial Key Laboratory of Materials Protection for Electric Power and Transportation, School of Chemistry and Biological EngineeringChangsha University of Science and TechnologyChangshaPeople’s Republic of China

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