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AI summary

70% confidence

Largest membraneless MFC reported to date (1,000 L, 80 air-cathode modules). Maximum volumetric power density well below lab-scale baselines, consistent with diffusion-limited cathode operation. Demonstrates the viability of stacking strategies and gives scale-dependent loss budgets that inform future reactor geometries.

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Membraneless Air-Cathode MFC
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What they did

System
MFC

What worked

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Abstract

Stretched 1000-L microbial fuel cell with 80 air-cathode modules in a single-chamber configuration. Treats brewery wastewater under continuous flow; reports COD removal, coulombic efficiency, and power-density trajectories over multi-month operation. Identifies scale-up bottlenecks: ohmic losses, oxygen mass transport at large cathode areas, and biofilm management at low energy-extraction densities.

Keywords

Microbial fuel cellWastewaterRenewable energyPulp and paper industryEnvironmental engineering

Identifiers

DOI
10.1016/j.jpowsour.2020.229130
Journal
Journal of Power Sources
Year
2021