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Toward Optimization of Wood Industry Wastewater Treatment in Microbial Fuel Cells—Mixed Wastewaters Approach

Author

Listed:
  • Monika Kloch

    (Institute of Biology, Department of Physics and Biophysics, Warsaw University of Life Sciences—SGGW, 159 Nowoursynowska St., 02-776 Warsaw, Poland)

  • Renata Toczyłowska-Mamińska

    (Institute of Biology, Department of Physics and Biophysics, Warsaw University of Life Sciences—SGGW, 159 Nowoursynowska St., 02-776 Warsaw, Poland)

Abstract

Microbial fuel cell (MFC) has the potential to become a promising sustainable technology of wastewater treatment. Usually, the investigations on MFCs are aimed at maximized power production in the system. In this article, we focused on the optimization of wood industry wastewater treatment in MFC, in combination with municipal wastewater as a source of microorganisms. We investigated the influence of different external resistance (2000 Ω, 1000 Ω, 500 Ω, and 100 Ω) on power density and wastewater treatment efficiency (chemical oxygen demand (COD) removal) in 1-month MFC operation time. We found that the highest COD removal was for MFCs under R = 1000 Ω after 22 days of MFC operation, while the highest current density was obtained for the lowest applied resistance. The results imply that wastewater treatment parameters such as resistance and time of MFC operation should be a subject of optimization for each specific type of wastewater used, in order to maximize either wastewater treatment efficiency or power production in MFC. Thus, optimization of power production and COD removal efficiency in MFCs need to be run separately as different resistances are required for maximizing these two parameters. When COD removal efficiency is a subject of optimization, there is no universal value of external resistance, but it should be set to the specific wastewater characteristics.

Suggested Citation

  • Monika Kloch & Renata Toczyłowska-Mamińska, 2020. "Toward Optimization of Wood Industry Wastewater Treatment in Microbial Fuel Cells—Mixed Wastewaters Approach," Energies, MDPI, vol. 13(1), pages 1-10, January.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:1:p:263-:d:305331
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    Citations

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    Cited by:

    1. Renata Toczyłowska-Mamińska, 2020. "Wood-Based Panel Industry Wastewater Meets Microbial Fuel Cell Technology," IJERPH, MDPI, vol. 17(7), pages 1-8, March.
    2. Agnieszka Cydzik-Kwiatkowska & Dawid Nosek, 2022. "Advances in Microbial Fuel Cell Technologies," Energies, MDPI, vol. 15(16), pages 1-3, August.
    3. Renata Toczyłowska-Mamińska & Mariusz Ł. Mamiński, 2022. "Wastewater as a Renewable Energy Source—Utilisation of Microbial Fuel Cell Technology," Energies, MDPI, vol. 15(19), pages 1-14, September.
    4. Syafiqa Ayob & Wahid Ali Hamood Altowayti & Norzila Othman & Faisal Sheikh Khalid & Shafinaz Shahir & Husnul Azan Tajarudin & Ammar Mohammed Ali Alqadasi, 2023. "Experimental and Modeling Study on the Removal of Mn, Fe, and Zn from Fiberboard Industrial Wastewater Using Modified Activated Carbon," Sustainability, MDPI, vol. 15(8), pages 1-23, April.

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