MESSAI.iO

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Bio-electrochemical anaerobic digestion (AD) is enhanced by microbial electrolysis cells (MECs) under various operating parameters.

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What they did

System
MEC
Substrate
real wastewater

What worked

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Abstract

Bio-electrochemical anaerobic digestion (AD) is one of the most recent advancement in anaerobic treatment processes. Microbial electrolysis cells (MECs) are used for bio-electrochemical treatment, where the supplied external power is used to enhance the performance of AD. Multiple studies have investigated the viability of MECs under various operating parameters and for different organic wastes. The present paper aims at reviewing the latest literature regarding bio-electrochemical enhanced AD through MECs. It was concluded that MEC reactors significantly enhance AD performance under different supplied voltages, temperatures, electrodes configuration, as well as other operating parameters. Based on the compiled literature, further comprehensive life cycle assessment of MECs is recommended prior to any full-scale implementation.

Keywords

Anaerobic digestionElectrolysisElectrochemistryAnaerobic exerciseProcess engineeringMicrobial electrolysis cell

Identifiers

DOI
10.18178/IJESD.2021.12.2.1319
Journal
International Journal of Environmental Science and Development
Year
2021