期刊
BIORESOURCE TECHNOLOGY
卷 102, 期 2, 页码 1159-1165出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2010.09.040
关键词
Azo dye decolorization; Bioelectricity generation; Microbial fuel cell; Proteus hauseri
资金
- Taiwan's National Science Council [NSC 98-2221-E-197-007-MY3, NSC 98-2621-M-006-007, NSC 98-2514-S-197-001-NE, MOEA 98-EC-17-A-10-S2-0070]
This first-attempt study quantitatively explored interactive characteristics of bioelectricity generation and dye decolorization in air-cathode single-chamber microbial fuel cells (MFCs) using indigenous Proteus hauseri ZMd44. After approx. 15 cycles (30 days) acclimatization in dye-bearing cultures, P. hauseri could express its stable capability of simultaneous bioelectricity generation and color removal (SBP&CR) in MFCs. Evidently, appropriate acclimation strategy for formation of the electrochemically active anodic biofilm played a crucial role to enhance the performance of SBP&CR in MFCs. Gradually increased supplementations of Cl. reactive blue 160 resulted in progressively decreased decay rate of bioelectricity generation. That is, a dye decolorized in a faster rate would result in a lower capability for bioelectricity generation and vice versa. In addition, a reduced dye with less toxicity potency (e.g., 2-aminophenol) might work as a redox mediator of electron transport to anodic biofilm for bioelectricity generation in MFCs. (C) 2010 Elsevier Ltd. All rights reserved.
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