Journal of Radioanalytical and Nuclear Chemistry

, Volume 318, Issue 2, pp 1109–1118 | Cite as

Direct extraction of U(VI) from a simulated saline solution by alkali-activated collagen fiber

  • Guohong Deng
  • Yu ZhangEmail author
  • Xuegang Luo
  • Jiayi Yang


A collagen fiber adsorbent was prepared by a modification of collagen fiber with alkali activation. The alkali-activated collagen fiber (AACF) was characterized and its adsorption mechanism was analyzed. The results demonstrated that U(VI) adsorption was mainly achieved by ion exchange and complexation coordination. Its maximum adsorption capacity reached 182.27 mg g−1 at 328.15 K, and it fitted well to the Langmuir isotherm model. The calculated thermodynamic parameters showed that the adsorption was a spontaneous and endothermic process. Moreover, the ultrahigh adsorption properties of AACF for U(VI) ions showed that it has high potential for the extraction of uranium from a simulated high-salinity environment.


Adsorption U(VI) Collagen fiber Salt lake Alkali activation 



This work was financially supported by National Nuclear Energy Development Research Project (Grant 16zg6101). Technology support of Engineering Research Center of Biomass Materials, Ministry of Education, Southwest University of Science and Technology, is greatly appreciated.


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Copyright information

© Akadémiai Kiadó, Budapest, Hungary 2018

Authors and Affiliations

  • Guohong Deng
    • 1
    • 2
  • Yu Zhang
    • 1
    • 2
    Email author
  • Xuegang Luo
    • 1
    • 2
  • Jiayi Yang
    • 2
  1. 1.School of Life Science and EngineeringSouthwest University of Science and TechnologyMianyangChina
  2. 2.Engineering Research Center of Biomass Materials, Ministry of EducationMianyangChina

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