NDLI: Simultaneous bioelectricity generation and decolorization of methyl orange in a two-chambered microbial fuel cell and bacterial diversity

Content Provider	Springer Nature Link
Author	Guo, Wei Feng, Jinglan Song, Hong Sun, Jianhui
Copyright Year	2014
Abstract	The objectives of this study were to investigate the simultaneous bioelectricity generation and decolorization of methyl orange (MO) in the anode chamber of microbial fuel cells (MFCs) in a wide concentration range (from 50 to 800 mg L$^{−1}$) and to reveal the microbial communities on the anode after the MFC was operated continuously for more than 6 months using MO-glucose mixtures as fuel. Interestingly, the added MO played an active role in the production of electricity. The maximum voltage outputs were 565, 658, 640, 629, 617, and 605 mV for the 1 g L$^{−1}$ glucose with 0, 50, 100, 200, 300, and 500 mg L$^{−1}$ of MO, respectively. The results of three groups of comparison experiments showed that accelerated decolorization of methyl orange (MO) was achieved in the MFC as compared to MFC in open circuit mode and MFC without extra carbon sources. The decolorization efficiency decreased with an increase of MO concentration in the studied concentration range for the dye load increased. A 454 high-throughput pyrosequencing revealed the microbial communities. Geobacter genus known to generate electricity was detected. Bacteroidia class, Desulfovibrio, and Trichococcus genus, which were most likely responsible for degrading methyl orange, were also detected.
Starting Page	11531
Ending Page	11540
Page Count	10
File Format	PDF
ISSN	09441344
Journal	Environmental Science and Pollution Research
Volume Number	21
Issue Number	19
e-ISSN	16147499
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2014-06-10
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Bioelectricity generation Decolorization Methyl orange Microbial fuel cells Microbial diversity Environment Environmental Chemistry Ecotoxicology Environmental Health Atmospheric Protection/Air Quality Control/Air Pollution Waste Water Technology Water Pollution Control Water Management Aquatic Pollution
Content Type	Text
Resource Type	Article
Subject	Environmental Chemistry Health, Toxicology and Mutagenesis Pollution Medicine

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