Journal of Radioanalytical and Nuclear Chemistry

, Volume 304, Issue 3, pp 1139–1144 | Cite as

Column leaching of uranium ore with fungal metabolic products and uranium recovery by ion exchange

  • Yong-Dong Wang
  • Guang-Yue Li
  • De-Xin Ding
  • Zhen-Yuan Zhang
  • Jie Chen
  • Nan Hu
  • Le Li


To verifying the feasibility of uranium recovery with fungal metabolic products in large-scale applications, column leaching and ion exchange of uranium was carried out. The uranium recovery reached 81.76 % in 14 days. The ion exchange curve for the leach solution obtained with the metabolic products of Aspergillus niger was in the shape of a wave. The elution curve was similar to that of leaching with H2SO4. The results indicate that leaching with the metabolic products of A. niger is a promising and environmentally friendly method for exploitation of low grade uranium ores in large-scale applications.


Column leaching Uranium ore Metabolic product Aspergillus niger Ion exchange 



This work was supported by Hunan Provincial Natural Science Foundation of China (Grant Nos. 10JJ2033, 13JJ3077), Scientific Research Fund of Hunan Provincial Education Department (Grant No. 13A083) and Science and Technology Project in Hengyang (Grant No. 2013KJ21).


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Copyright information

© Akadémiai Kiadó, Budapest, Hungary 2015

Authors and Affiliations

  1. 1.Key Discipline Laboratory for National Defense for Biotechnology in Uranium Mining and HydrometallurgyUniversity of South ChinaHengyangPeople’s Republic of China

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