Environmental Science and Pollution Research

, Volume 26, Issue 18, pp 18615–18623 | Cite as

New ecological dam for sediment and overlying water pollution treatment based on microbial fuel cell principle

  • Ren-yu Wang
  • Hai-xia Li
  • Xiao-qian Peng
  • Guang-yi ZhangEmail author
  • Li-ying Zhang
Research Article


In this study, a new ecological dam based on the microbial fuel cell principle (MFCED) was designed to remove pollutants from river sediments and water bodies. Sediment organics were better removed in the MFCED mode in comparison with the other two modes (ecological dam with open circuit (OCED) and ecological dam filled with gravel in cathode chamber (GMFCED)). The difference of nitrogen source in water had little effect on the removal of chemical oxygen demand (COD) (70–80%), while nitrate was more readily removed in the MFCED. The voltage curve and power curve were measured to understand the bioelectricity generation of MFCED. During the stable operation phase of MFCED, the voltage was stabilized between 0.09–0.15 V. The results of high-throughput sequencing indicated that the anode and cathode diversities of MFCED were more than the other systems, and the species diversity of the anode was more than that of the cathode in the MFCED.

Graphical abstract


Microbial fuel cell Nitrogen removal Organic pollutant removal Microbial community 



Also, the authors express gratitude to the Modern Analysis and Computing Center of Zhengzhou University for the various material analyses offered in this study.

Funding information

Support was by Major Science and Technology Program for Water Pollution Control and Treatment (Grant No. 2015ZX07204-002-004) and the National Natural Science Foundation of China (Grant No. 21806145).


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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  • Ren-yu Wang
    • 1
  • Hai-xia Li
    • 1
  • Xiao-qian Peng
    • 1
  • Guang-yi Zhang
    • 1
    Email author
  • Li-ying Zhang
    • 1
  1. 1.School of Water Conservancy and EnvironmentZhengzhou UniversityZhengzhouPeople’s Republic of China

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