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XIAO Xiaofeng, CHENG Ying, WANG Qingping, CHEN Zuliang. Effects of Fe nanoparticles on microbial fuel cells in startup process[J]. Chinese Journal of Environmental Engineering, 2017, 11(9): 5233-5238. doi: 10.12030/j.cjee.201612193
Citation: XIAO Xiaofeng, CHENG Ying, WANG Qingping, CHEN Zuliang. Effects of Fe nanoparticles on microbial fuel cells in startup process[J]. Chinese Journal of Environmental Engineering, 2017, 11(9): 5233-5238. doi: 10.12030/j.cjee.201612193
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Effects of Fe nanoparticles on microbial fuel cells in startup process

  • 1.

    Fujian Key Laboratory of Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Fujian Normal University, Fuzhou 350007, China

  • Received Date: 12/04/2017
    Accepted Date: 26/12/2016
    Available Online: 26/08/2017
    Fund Project:
  • To explore the impact of different nano zero valent iron (nZVI) on microbial fuel cells (MFC) in the start-up phase, in this study, MFCs were setting up with different anodic substrates:sludge (control group), sludge containing chemical synthetic nZVI (c-nZVI group) and sludge containing green synthetic nZVI (g-nZVI group),respectively, and MFCs tested by five cycles. In the start-up process of g-nZVI group and c-nZVI group, a high concentration of nZVI could inhibit electricity generation, while nZVI made no essentially change in voltage output after MFC starting successfully. The results obtained from COD removal rate, SEM and electrochemical characterization showed that green synthesis of nZVI, was less likely to enrich on the electrode surface, change the surface electronic properties and suppress bacteria activity in anode to compare chemical synthetic nZVI.
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Effects of Fe nanoparticles on microbial fuel cells in startup process

  • Received Date: 12/04/2017
  • Accepted Date: 26/12/2016
  • Available Online: 26/08/2017
Fund Project:

Abstract: To explore the impact of different nano zero valent iron (nZVI) on microbial fuel cells (MFC) in the start-up phase, in this study, MFCs were setting up with different anodic substrates:sludge (control group), sludge containing chemical synthetic nZVI (c-nZVI group) and sludge containing green synthetic nZVI (g-nZVI group),respectively, and MFCs tested by five cycles. In the start-up process of g-nZVI group and c-nZVI group, a high concentration of nZVI could inhibit electricity generation, while nZVI made no essentially change in voltage output after MFC starting successfully. The results obtained from COD removal rate, SEM and electrochemical characterization showed that green synthesis of nZVI, was less likely to enrich on the electrode surface, change the surface electronic properties and suppress bacteria activity in anode to compare chemical synthetic nZVI.

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