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Research Progress on Nitrogen Removal Performance of Constructed Wetland-Microbial Fuel Cell

Received: 31 May 2022    Accepted:     Published: 1 June 2022
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Abstract

Due to their limitations, conventionally constructed wetlands or microbial fuel cells often suffer from some disadvantages such as low denitrification efficiency, high internal resistance, and high activation potential in the process of treating nitrogenous wastewater. In recent years, the emerging constructed wetland-microbial fuel cell (CW-MFC) combines the constructed wetland (CW) and microbial fuel cell (MFC), which is a new bioelectrochemical technology for both electricity production and wastewater treatment, its natural redox gradient, unique cell structure, cathodic reduction characteristics and wetland plants located at the cathode not only provide advantages for nitrogen removal but also enhance the performance of electricity production. As a result of the diversity of wastewater types and their constituents, the effects of nitrogen removal from CW-MFC vary among different components. Most of the existing studies have investigated the effect of nitrogen removal in terms of system structure and composition, this paper reviews the effects of salinity and phosphorus in wastewater components on the denitrification performance of CW-MFC based on the analysis of nitrogen conversion pathways and nitrogen removal principles of CW-MFC, summarizes the problems caused by the limitations of the nitrogen removal process and the effects of salinity and phosphorus concentration, proposes ways as well as directions to strengthen the denitrification performance for the future development of CW-MFC.

Published in American Journal of Environmental Science and Engineering (Volume 6, Issue 2)
DOI 10.11648/j.ajese.20220602.14
Page(s) 112-118
Creative Commons

This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2022. Published by Science Publishing Group

Keywords

CW-MFC, Denitrification, Salinity, Phosphorus

References
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Cite This Article
  • APA Style

    Jin Li, Li Wang, Jinshi Li, Wenlei Wang. (2022). Research Progress on Nitrogen Removal Performance of Constructed Wetland-Microbial Fuel Cell. American Journal of Environmental Science and Engineering, 6(2), 112-118. https://doi.org/10.11648/j.ajese.20220602.14

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    ACS Style

    Jin Li; Li Wang; Jinshi Li; Wenlei Wang. Research Progress on Nitrogen Removal Performance of Constructed Wetland-Microbial Fuel Cell. Am. J. Environ. Sci. Eng. 2022, 6(2), 112-118. doi: 10.11648/j.ajese.20220602.14

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    AMA Style

    Jin Li, Li Wang, Jinshi Li, Wenlei Wang. Research Progress on Nitrogen Removal Performance of Constructed Wetland-Microbial Fuel Cell. Am J Environ Sci Eng. 2022;6(2):112-118. doi: 10.11648/j.ajese.20220602.14

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  • @article{10.11648/j.ajese.20220602.14,
      author = {Jin Li and Li Wang and Jinshi Li and Wenlei Wang},
      title = {Research Progress on Nitrogen Removal Performance of Constructed Wetland-Microbial Fuel Cell},
      journal = {American Journal of Environmental Science and Engineering},
      volume = {6},
      number = {2},
      pages = {112-118},
      doi = {10.11648/j.ajese.20220602.14},
      url = {https://doi.org/10.11648/j.ajese.20220602.14},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajese.20220602.14},
      abstract = {Due to their limitations, conventionally constructed wetlands or microbial fuel cells often suffer from some disadvantages such as low denitrification efficiency, high internal resistance, and high activation potential in the process of treating nitrogenous wastewater. In recent years, the emerging constructed wetland-microbial fuel cell (CW-MFC) combines the constructed wetland (CW) and microbial fuel cell (MFC), which is a new bioelectrochemical technology for both electricity production and wastewater treatment, its natural redox gradient, unique cell structure, cathodic reduction characteristics and wetland plants located at the cathode not only provide advantages for nitrogen removal but also enhance the performance of electricity production. As a result of the diversity of wastewater types and their constituents, the effects of nitrogen removal from CW-MFC vary among different components. Most of the existing studies have investigated the effect of nitrogen removal in terms of system structure and composition, this paper reviews the effects of salinity and phosphorus in wastewater components on the denitrification performance of CW-MFC based on the analysis of nitrogen conversion pathways and nitrogen removal principles of CW-MFC, summarizes the problems caused by the limitations of the nitrogen removal process and the effects of salinity and phosphorus concentration, proposes ways as well as directions to strengthen the denitrification performance for the future development of CW-MFC.},
     year = {2022}
    }
    

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  • TY  - JOUR
    T1  - Research Progress on Nitrogen Removal Performance of Constructed Wetland-Microbial Fuel Cell
    AU  - Jin Li
    AU  - Li Wang
    AU  - Jinshi Li
    AU  - Wenlei Wang
    Y1  - 2022/06/01
    PY  - 2022
    N1  - https://doi.org/10.11648/j.ajese.20220602.14
    DO  - 10.11648/j.ajese.20220602.14
    T2  - American Journal of Environmental Science and Engineering
    JF  - American Journal of Environmental Science and Engineering
    JO  - American Journal of Environmental Science and Engineering
    SP  - 112
    EP  - 118
    PB  - Science Publishing Group
    SN  - 2578-7993
    UR  - https://doi.org/10.11648/j.ajese.20220602.14
    AB  - Due to their limitations, conventionally constructed wetlands or microbial fuel cells often suffer from some disadvantages such as low denitrification efficiency, high internal resistance, and high activation potential in the process of treating nitrogenous wastewater. In recent years, the emerging constructed wetland-microbial fuel cell (CW-MFC) combines the constructed wetland (CW) and microbial fuel cell (MFC), which is a new bioelectrochemical technology for both electricity production and wastewater treatment, its natural redox gradient, unique cell structure, cathodic reduction characteristics and wetland plants located at the cathode not only provide advantages for nitrogen removal but also enhance the performance of electricity production. As a result of the diversity of wastewater types and their constituents, the effects of nitrogen removal from CW-MFC vary among different components. Most of the existing studies have investigated the effect of nitrogen removal in terms of system structure and composition, this paper reviews the effects of salinity and phosphorus in wastewater components on the denitrification performance of CW-MFC based on the analysis of nitrogen conversion pathways and nitrogen removal principles of CW-MFC, summarizes the problems caused by the limitations of the nitrogen removal process and the effects of salinity and phosphorus concentration, proposes ways as well as directions to strengthen the denitrification performance for the future development of CW-MFC.
    VL  - 6
    IS  - 2
    ER  - 

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Author Information
  • School of Energy Science and Engineering, Harbin Institute of Technology, Harbin, China

  • School of Energy Science and Engineering, Harbin Institute of Technology, Harbin, China

  • School of Energy Science and Engineering, Harbin Institute of Technology, Harbin, China

  • School of Energy Science and Engineering, Harbin Institute of Technology, Harbin, China

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