Journal
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
Volume 41, Issue 35, Pages 15632-15637Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2016.04.179
Keywords
SC-MFC; Total kjeldahl nitrogen; TKN; Bioelectricity; Nitrification; Denitrification
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An innovative bioelectrochemical technology in the form of an air-cathode single chamber microbial fuel cells (SC-MFCs) was utilized to concurrently reduce nitrogen and organic pollutants as well as generate electricity from tannery wastewater under anoxic pH 7 conditions at 37 degrees C. Subsequent to 4 d semi-batch mode with initial concentrations of soluble chemical oxygen demand (sCOD), total kjeldahl nitrogen (TKN) and ammonia nitrogen NH4-N of 1,100, 431, and 206.08 mg L-1, these pollution were diminished by 88, 50 and 35%, respectively. Negligible electricity was created (7 mW m(-2)). Removal of the nitrogen pollution in the tannery wastewater occurred in the SC-MFCs was clearly driven by nitrification and denitrification. (C) 2016 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
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