期刊
BIORESOURCE TECHNOLOGY
卷 102, 期 5, 页码 4137-4143出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2010.10.137
关键词
Cascade biohydrogen production; Microbial electrolysis cell (MEC); Microbial fuel cell (MFC); MEC-MFC coupled system; Dark fermentation
资金
- National Natural Science Foundation of China [51078100, 50878062, 50821002]
- National Science & Technology Pillar Program [2008BADC4B01]
- National 863 Program [2009AA062906]
- State Key Lab of Urban Water Resource and Environment (HIT)
- King Abdullah University of Science and Technology (KAUST) [KUS-I1-003-13]
Hydrogen gas production from cellulose was investigated using an integrated hydrogen production process consisting of a dark fermentation reactor and microbial fuel cells (MFCs) as power sources for a microbial electrolysis cell (MEC). Two MFCs (each 25 mL) connected in series to an MEC (72 mL) produced a maximum of 0.43 V using fermentation effluent as a feed, achieving a hydrogen production rate from the MEC of 0.48 m(3) H(2)/m(3)/d (based on the MEC volume), and a yield of 33.2 mmol H(2)/g COD removed in the MEC. The overall hydrogen production for the integrated system (fermentation, MFC and MEC) was increased by 41% compared with fermentation alone to 14.3 mmol H(2)/g cellulose, with a total hydrogen production rate of 0.24 m(3) H(2)/m(3)/d and an overall energy recovery efficiency of 23% (based on cellulose removed) without the need for any external electrical energy input. (C) 2010 Elsevier Ltd. All rights reserved.
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