Abstract

The major aim of this study is to compare the power generation of dual microbial fuel cells (MFC) operated with mesophilic conditions and thermophilic conditions using restaurant wastewater. Materials and methods: Restaurant wastewater samples were collected from MFC with thermophilic conditions (N=14) and mesophilic conditions (N=14) operated for 10 days (G Power 80%). Voltage was measured using a multimeter and current, power, and power density was calculated from it for both groups. Results: The power generation was found to be high in MFC operated with thermophilic conditions (642 mW/m2) compared to mesophilic conditions (192 mW/m2). The independent sample T-test was done which showed that the power generation of MFC operated with thermophilic conditions (p < 0.001) found to be significantly higher compared with MFC operated with mesophilic conditions. Conclusion: The study shows that MFC operated with thermophilic conditions are able to achieve higher power generation compared to mesophilic conditions.

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