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Proceedings Paper

Application of acetate, lactate, and fumarate as electron donors in microbial fuel cell
Author(s): Oresta M. Vasyliv; Oleksandr I. Bilyy; Yaroslav P. Ferensovych; Svitlana O. Hnatush
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Paper Abstract

Microbial fuel cells (MFCs) are devices that use bacteria as the catalysts to oxidize organic and inorganic matter and generate current. Up to now, several classes of extracellular electron transfer mechanisms have been elucidated for various microorganisms. Shewanellaceae and Geobacteraceae families include the most of model exoelectrogenic microorganisms. Desulfuromonas acetoxidans bacterium inhabits aquatic sedimental sulfur-containing environments and is philogenetically close to representatives of Geobacteraceae family. Two chamber microbial fuel cell (0.3 l volume) was constructed with application of D. acetoxidans IMV B-7384 as anode biocatalyst. Acetic, lactic and fumaric acids were separately applied as organic electron donors for bacterial growth in constructed MFC. Bacterial cultivation in MFC was held during twenty days. Lactate oxidation caused electric power production with the highest value up to 0.071 mW on 64 hour of D. acetoxidans IMV B-7384 growth. Addition of acetic and fumaric acids into bacterial growth medium caused maximal power production up to 0.075 and 0.074 mW respectively on the 40 hour of their growth. Increasing of incubation time up to twentieth day caused decrease of generated electric power till 0.018 mW, 0.042 mW and 0.047 mW under usage of lactic, acetic and fumaric acids respectively by investigated bacteria. Power generation by D. acetoxidans IMV B-7384 was more stabile and durable under application of acetic and fumaric acids as electron donors in constructed MFC, than under addition of lactic acid in the same concentration into the growth medium.

Paper Details

Date Published: 24 September 2013
PDF: 7 pages
Proc. SPIE 8825, Reliability of Photovoltaic Cells, Modules, Components, and Systems VI, 88250Q (24 September 2013); doi: 10.1117/12.2021381
Show Author Affiliations
Oresta M. Vasyliv, Ivan Franko National Univ. of L'viv (Ukraine)
Oleksandr I. Bilyy, Ivan Franko National Univ. of L'viv (Ukraine)
Yaroslav P. Ferensovych, Ivan Franko National Univ. of L'viv (Ukraine)
Svitlana O. Hnatush, Ivan Franko National Univ. of L'viv (Ukraine)

Published in SPIE Proceedings Vol. 8825:
Reliability of Photovoltaic Cells, Modules, Components, and Systems VI
Neelkanth G. Dhere; John H. Wohlgemuth; Kevin W. Lynn, Editor(s)

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