Adsorptive removal of uranyl ions in aqueous solution using hydrothermal carbon spheres functionalized with 4-aminoacetophenone oxime group

  • Zhiyang Zheng
  • Youqun Wang
  • Wuwei Zhao
  • Guoxuan Xiong
  • Xiaohong Cao
  • Ying Dai
  • Zhanggao Le
  • Shenglong Yu
  • Zhibin Zhang
  • Yunhai Liu


Hydrothermal carbon spheres (HCSs) functionalized with 4-aminoacetophenone oxime group (HCSs-oxime) were prepared by a grafting method and explored to adsorption of uranyl ions from aqueous solution. The results of FT-IR, elemental analysis and zeta potential indicate a successfully modification with oxime group. The adsorbent shows an excellent adsorption capacity (Langmuir, q m  = 588.2 mg g−1) and quick adsorption kinetic (equilibrium time of approximately 60 min) at optimal pH of 6.0. The adsorptive selectivity for uranyl ions has been also great improved in present with various co-existing ions. Overall, HCSs-oxime is a potentially promising material for selective removal of uranium in the contaminated solution.


Functionalization Hydrothermal carbon spheres Uranyl ions Adsorption 



This work was financially supported by the National Natural Science Foundation of China (Grant Nos. 21561002, 21301028, 11475044, 41461070, 21401022), the Program for Changjiang Scholars and Innovative Research Team in University (Grant No. IRT13054), the Science and Technology Support Program of Jiangxi Province (Grant Nos. 20141BBG70001, 20151BBG70010), the Advanced Science and Technology Innovation Team Program of Jiangxi Province (Grant No. 20142BCB24006), the Innovation Fund of Graduate Student (DHYC-2016010), and the Innovation Team Program of Jiangxi Provincial Department of Science and Technology (Grant No. 2014BCB24006).


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Copyright information

© Akadémiai Kiadó, Budapest, Hungary 2017

Authors and Affiliations

  • Zhiyang Zheng
    • 1
    • 3
  • Youqun Wang
    • 1
  • Wuwei Zhao
    • 1
    • 3
  • Guoxuan Xiong
    • 1
    • 3
  • Xiaohong Cao
    • 1
    • 3
  • Ying Dai
    • 1
    • 3
  • Zhanggao Le
    • 1
    • 3
  • Shenglong Yu
    • 1
    • 3
  • Zhibin Zhang
    • 1
    • 2
    • 3
  • Yunhai Liu
    • 1
    • 3
  1. 1.Fundamental Science on Radioactive Geology and Exploration Technology LaboratoryEast China University of TechnologyNanchangChina
  2. 2.Engineering Research Center of Nuclear Technology Application (East China University of Technology)Ministry of EducationNanchangChina
  3. 3.State Key Laboratory Breeding Base of Nuclear Resources and EnvironmentEast China University of TechnologyNanchangChina

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