Minimizing losses in bio-electrochemical systems: the road to applications

Clauwaert, Peter, Aelterman, Peter, Pham, The Hai, De Schamphelaire, Liesje, Carballa, Marta, Rabaey, Korneel and Verstraete, Willy (2008) Minimizing losses in bio-electrochemical systems: the road to applications. Applied Microbiology and Biotechnology, 79 6: 901-913. doi:10.1007/s00253-008-1522-2


Author Clauwaert, Peter
Aelterman, Peter
Pham, The Hai
De Schamphelaire, Liesje
Carballa, Marta
Rabaey, Korneel
Verstraete, Willy
Title Minimizing losses in bio-electrochemical systems: the road to applications
Journal name Applied Microbiology and Biotechnology   Check publisher's open access policy
ISSN 0175-7598
1432-0614
Publication date 2008
Year available 2008
Sub-type Critical review of research, literature review, critical commentary
DOI 10.1007/s00253-008-1522-2
Volume 79
Issue 6
Start page 901
End page 913
Total pages 14
Place of publication Berlin
Publisher Springer
Collection year 2009
Language eng
Subject C1
9699 Other Environment
090409 Wastewater Treatment Processes
Abstract Bio-electrochemical systems (BESs) enable microbial catalysis of electrochemical reactions. Plain electrical power production combined with wastewater treatment by microbial fuel cells (MFCs) has been the primary application purpose for BESs. However, large-scale power production and a high chemical oxygen demand conversion rates must be achieved at a benchmark cost to make MFCs economical competitive in this context. Recently, a number of valuable oxidation or reduction reactions demonstrating the versatility of BESs have been described. Indeed, BESs can produce hydrogen, bring about denitrification, or reductive dehalogenation. Moreover, BESs also appear to be promising in the field of online biosensors. To effectively apply BESs in practice, both biological and electrochemical losses need to be further minimized. At present, the costs of reactor materials have to be decreased, and the volumetric biocatalyst activity in the systems has to be increased substantially. Furthermore, both the ohmic cell resistance and the pH gradients need to be minimized. In this review, these losses and constraints are discussed from an electrochemical viewpoint. Finally, an overview of potential applications and innovative research lines is given for BESs.
Keyword Biofuel cell
Bioenergy
Biocatalyzed electrolysis
Overpotentials
Biocatalysts
Ohmic resistance
Q-Index Code C1
Q-Index Status Confirmed Code

Document type: Journal Article
Sub-type: Critical review of research, literature review, critical commentary
Collections: 2009 Higher Education Research Data Collection
Excellence in Research Australia (ERA) - Collection
Advanced Water Management Centre Publications
 
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Created: Wed, 15 Apr 2009, 13:28:00 EST by Suzanne Read on behalf of Advanced Water Management Centre