期刊
FRONTIERS OF ENVIRONMENTAL SCIENCE & ENGINEERING
卷 7, 期 6, 页码 913-919出版社
HIGHER EDUCATION PRESS
DOI: 10.1007/s11783-013-0583-3
关键词
microbial fuel cell (MFC); oxic-anoxic two stage biocathode; denitrifying
资金
- National High Technology Research and Development Program of China [2011AA060907]
- Science Fund for Creative Research Groups [21221004]
- Program for Changjiang Scholars and Innovative Research Team in University
A scaled up microbial fuel cell (MFC) of a 50 L volume was set up with an oxic-anoxic two-stage biocathode and activated semicoke packed electrodes to achieve simultaneous power generation and nitrogen and organic matter removals. An average maximum power density of 43.1 W center dot m(-3) was obtained in batch operating mode. By adjusting the two external resistances, the denitrification in the A-MFC and power production in the O-MFC could be enhanced. In continuous mode, when the hydraulic retention times were set at 6 h, 8 h and 12 h, the removal efficiencies of COD, NH (4) (+) -N and total nitrogen (TN) were higher than 95%, 97%, and 84%, respectively. Meanwhile the removal loads for COD, NH (4) (+) -N and TN were10, 0.37 and 0.4 kg center dot(m(3)center dot d)(-1), respectively.
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