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Exoelectrogenic Bacterium Phylogenetically Related to Citrobacter freundii, Isolated from Anodic Biofilm of a Microbial Fuel Cell
Ist Teil von
Applied biochemistry and biotechnology, 2015-02, Vol.175 (4), p.1879-1891
Ort / Verlag
Boston: Springer-Verlag
Erscheinungsjahr
2015
Link zum Volltext
Quelle
MEDLINE
Beschreibungen/Notizen
An electrogenic bacterium, named Citrobacter freundii Z7, was isolated from the anodic biofilm of microbial fuel cell (MFC) inoculated with aerobic sewage sludge. Cyclic voltammetry (CV) analysis exhibited that the strain Z7 had relatively high electrochemical activity. When the strain Z7 was inoculated into MFC, the maximum power density can reach 204.5 mW/m²using citrate as electron donor. Series of substrates including glucose, glycerol, lactose, sucrose, and rhammose could be utilized to generate power. CV tests and the addition of anode solution as well as AQDS experiments indicated that the strain Z7 might transfer electrons indirectly via secreted mediators.