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The paper explores the potential of microbial fuel cells (MFCs) to convert lignocellulose residue from biorefinery processes into electricity, a sustainable and efficient way to close the loop of circular economy.

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System
MFC

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Abstract

In general, lignocellulose biorefinery has the main functions to fractionate biomass compositions and convert them to value-added products. However, leftover organic compounds in output streams are mixed with large amounts of wastewater becoming the cost and burden for treatment. Therefore, to close the loop of circular economy, this review paper explores the potential of microbial fuel cells (MFCs) as a sustainable and efficient way to convert lignocellulose residue, a byproduct of biorefinery processes, into electricity. Lignocellulose residue is a complex mixture of carbohydrates and lignin that is often difficult to dispose of properly. By using MFCs, this waste material can be converted into valuable energy while reducing the environmental impact of its disposal. The paper covers the different types of MFCs, their working principles, and their potential application in lignocellulose residue conversion. It also discusses the factors that affect the performance of MFCs, including substrate availability, electrode material, and reactor design. Additionally, the paper reviews the current state of research in this area, highlighting recent advances and identifying areas for future exploration. Overall, this review paper demonstrates the promise of MFCs as a sustainable and innovative approach to converting lignocellulose residue into electricity.

Key findings

  • Lignocellulose residue is a complex mixture of carbohydrates and lignin that is difficult to dispose of properly.
  • MFCs can convert this waste material into valuable energy while reducing environmental impact.
  • Factors affecting MFC performance include substrate availability, electrode material, and reactor design.

Keywords

BiorefineryMicrobial fuel cellDispose patternWaste managementBiochemical engineeringBiomass (ecology)

Identifiers

DOI
10.1051/e3sconf/202342801011
Journal
E3S Web of Conferences
Year
2022