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A single-chamber microbial fuel cell (MFC) was used to generate electricity from domestic organic waste, achieving a voltage of 110 mV and power density of 0.1047 mW/m².

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What they did

System
MFC

What worked

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Abstract

Microbial fuel cell (MFC) is a method that is both effective and environmentally friendly for producing renewable electricity. Several studies have shown that one of the major challenges is the generation of electrons as a result of poor exploitation of organic substrates. One of the most talked about issues in modern molecular fusion is the reutilization of biological organic waste in an MFC. In this article, the effective utilization of domestic organic waste as an organic supply for bacterial species to generate energy was highlighted. The findings that were obtained corresponded to the one-of-a-kind MFC operation in which a voltage of 110 mV was generated in a time span of 12 days during operation with an external resistance of 500 ῼ. With an internal resistance of 117 ῼ, the maximum power density and the current density were recorded 0.1047 mW/m² and 21.84 mA/m², respectively. According to the results of the biological study, strains of bacteria such as Pseudomonas aeruginosa, Acinetobacter schindleri, and Pseudomonas nitroreducens are the ones responsible for producing energy. In addition, final remarks with proposals for the future have been enclosed.

Key findings

  • Voltage of 110 mV generated in 12 days with external resistance of 500 Ω
  • Maximum power density of 0.1047 mW/m² and current density of 21.84 mA/m² recorded with internal resistance of 117 Ω
  • Strains of bacteria such as Pseudomonas aeruginosa, Acinetobacter schindleri, and Pseudomonas nitroreducens responsible for energy production

Keywords

Microbial fuel cellInternal resistanceRenewable energyWaste managementEnvironmentally friendlyBiodegradable waste

Identifiers

DOI
10.1155/2023/2425735
Journal
International Journal of Chemical Engineering
Year
2023