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Synergistic effects of electron shuttle AQS and Alcaligenes faecalis on photocatalytic removal of U(VI)

  • Mulan Chen
  • Miao He
  • Mingxue LiuEmail author
  • Faqin DongEmail author
  • Hongfu Wei
  • Xiaoqin Nie
Article
  • 16 Downloads

Abstract

Photocatalytic removal of U(VI) has attracted much attention due to its advantages such as no secondary pollution and less energy consumption. Synergistic removal of U(VI) by Alcaligenes faecalis and exogenous electron shuttle AQS (anthraguinone-2-sulfonate) under illumination condition was investigated. The results show that 0.16 g L−1 AQS can apparently accelerate the electron transfer and promote the growth of A. faecalis. The reduction rate of U(VI) enhances by 17.50%. The maximum removal efficiency of U(VI) reaches up to 80.7%. These results suggest that proper exogenous electron shuttles can accelerate photocatalytic removal of U(VI) cooperating with microorganisms.

Keywords

Synergistic effect Electron shuttle Alcaligenes faecalis Photocatalytic removal Uranium 

Notes

Acknowledgements

The authors thank the National Key R&D Program of China (2016YFC0502204), National Basic Research Program of China (973 Program: 2014CB846003), National Nature Science Foundation of China (Grant Numbers: 41272371, 41502316), and Longshan Academic Talent Research Supporting Program of SWUST (18LZX507).

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Copyright information

© Akadémiai Kiadó, Budapest, Hungary 2019

Authors and Affiliations

  1. 1.Life Science and Engineering CollegeSouthwest University of Science and TechnologyMianyangPeople’s Republic of China
  2. 2.Key Laboratory of Solid Waste Treatment and Resource RecycleMinistry of Education of ChinaMianyangPeople’s Republic of China
  3. 3.National Co-innovation Center for Nuclear Waste Disposal and Environmental SafetySouthwest University of Science and TechnologyMianyangPeople’s Republic of China

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