MESSAI.iO

AI summary

82% confidence

This study investigates a combined anaerobic-aerobic bioelectrochemical system (BES) for treating ethanol stillage, integrating an upflow anaerobic sludge blanket (UASB) reactor with microbial fuel cell (MFC) and microbial electrolysis cell (MEC) modes. Operating under five configurations (no BES, MFC, and MEC at 0.6, 0.8, 1.0 V), the system achieved up to 94.1% COD removal and 90.91% ammonium removal at 1.0 V, while improving biogas composition from 57% to 74% methane and achieving complete sulfate removal in MEC modes.

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What they did

System
MEC

What worked

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Abstract

Keywords

StillageAnaerobic exerciseSulfideEthanolAmmoniumCarbon fibers

Identifiers

DOI
10.59957/jctm.v58i2.53
Journal
Journal of Chemical Technology and Metallurgy
Year
2023