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Applied and Environmental Microbiology, April 2008, p. 2540-2543, Vol. 74, No. 8
0099-2240/08/$08.00+0     doi:10.1128/AEM.02268-07
Copyright © 2008, American Society for Microbiology. All Rights Reserved.

Removal of Odors from Swine Wastewater by Using Microbial Fuel Cells{triangledown}

Jung Rae Kim,1,{dagger} Jerzy Dec,2 Mary Ann Bruns,2 and Bruce E. Logan1,3*

Department of Civil and Environmental Engineering,1 Department of Crop and Soil Sciences,2 Penn State Hydrogen Energy (H2E) Center, Pennsylvania State University, University Park, Pennsylvania 168023

Received 5 October 2007/ Accepted 18 February 2008

A single-chamber microbial fuel cell (MFC) was used to reduce 10 chemicals associated with odors by 99.76% (from 422 ± 23 µg/ml) and three volatile organic acids (acetate, butyrate, and propionate) by >99%. The MFC produced a maximum of 228 mW/m2 and removed 84% of the organic matter in 260 h. MFCs were therefore effective at both treatment and electricity generation.

* Corresponding author. Mailing address: Penn State University, Civil and Environmental Engineering, 212 Sackett Bldg., University Park, PA 16802. Phone: (814) 863-7908. Fax: (814) 863-7304. E-mail: blogan{at}psu.edu

{triangledown} Published ahead of print on 29 February 2008.

{dagger} Present address: Sustainable Environment Research Centre (SERC), University of Glamorgan, Pontypridd RCT CF37 1DL, United Kingdom.

Applied and Environmental Microbiology, April 2008, p. 2540-2543, Vol. 74, No. 8
0099-2240/08/$08.00+0     doi:10.1128/AEM.02268-07
Copyright © 2008, American Society for Microbiology. All Rights Reserved.





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