Novel graphite rod electrode modified with iron-functionalized nanozeolite for efficient wastewater treatment by microbial fuel cells

Volume 4, Issue 01, Pages 26-35, Mar 2021 *** Field: Analytical Environmental Chemistry

  • Mostafa Hassani Department of Applied Chemistry, Faculty of Science, Islamic Azad University, South Tehran Branch, Tehran, Iran
  • Mohsen Zeeb, (Corresponding Author) Department of Applied Chemistry, Faculty of Science, Islamic Azad University, South Tehran Branch, Tehran, Iran
  • Amirhossein Monzavi Department of Polymer and Textile Engineering, Islamic Azad University, South Tehran Branch, Tehran, Iran
  • Zahra Khodadadi Department of Applied Chemistry, Faculty of Science, Islamic Azad University, South Tehran Branch, Tehran, Iran
  • Mohammad Reza Kalaee Nanothecnology Research Center, Islamic Azad University,South Tehran Branch,Tehran, Iran
Keywords: Microbial Fuel Cells, Graphite electrodes, Iron-functionalized ZSM-5 nanozeolit, wastewater treatment


Microbial fuel cells (MFCs) are a green and efficient approach to treat wastewater and generate energy. According to the present research, a novel MFC fabricate based on graphite rod electrodes (GRE). The surface of this cathode was modified with iron-functionalized ZSM-5 nanozeolite. The characterization of Iron doping in nanozeolite structure and electrode surface modification were obtained by XRD and EDX analyzes, respectively. Chemical analysis of square wave (Sqw) and cyclic voltammetry (CV) determined for all of three graphite electrodes (G, G-Z and G-Z/Fe) with higher efficiency. Morover, the comparison of experimental results from 72-hour fuel cell steering was evaluated and showed that the G-Z/Fe graphite electrodes has maximum efficiency and effectiveness. Thus, the efficiency of fuel cell output current and residual chemical oxygen demand removal with this electrode increased up to 21.8% and 36.9%, respectively. The effiucient recovery for the modification of the graphite electrode was achieved due to increasing of the specific surface area, the active sites of functionalized nanozeolite and the elevation in the electrical conductivity through the presence of iron particles doped in the ZSM-5/Fe nanocatalyst structure. Therefore, the G-Z/Fe cathode can be used as a favorite electrode for the construction of MFCs based on GRE .


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How to Cite
Hassani, M., Zeeb, M., Monzavi, A., Khodadadi, Z., & Kalaee, M. R. (2021). Novel graphite rod electrode modified with iron-functionalized nanozeolite for efficient wastewater treatment by microbial fuel cells. Analytical Methods in Environmental Chemistry Journal, 4(01), 26-35.
Original Article