Performance evaluation and bacteria analysis of AFB-MFC enriched with high-strength synthetic wastewater

In order to study the performance and bacterial communities of an anaerobic fluidized bed microbial fuel cell (AFB-MFC) system, the 16S rDNA gene sequencing was applied, and high-strength synthetic wastewater was treated by the AFB-MFC system. The high-strength synthetic wastewater, in which the con...

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Bibliographic Details
Published in:Water science and technology 2014, Vol.69 (1), p.9-14
Main Authors: HUANG, Jian-Sheng, YONG GUO, PING YANG, LI, Chong-Ming, HUI GAO, LI FENG, YUN ZHANG
Format: Article
Language:English
Subjects:
Analysis methods
Applied sciences
Bacteria
Bacteria - metabolism
Biochemical fuel cells
Bioelectric Energy Sources
Biological Oxygen Demand Analysis
Carnobacterium
Carnobacterium - metabolism
Chemical oxygen demand
Desulfomicrobium
Exact sciences and technology
Fluidized beds
Gene sequencing
General purification processes
Klebsiella
Klebsiella pneumoniae
Microorganisms
Natural water pollution
Nitrates - metabolism
Nitrogen
Nitrogen - metabolism
Pollution
Thauera
Waste Water - chemistry
Waste Water - microbiology
Wastewater treatment
Wastewaters
Water treatment and pollution
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Summary:In order to study the performance and bacterial communities of an anaerobic fluidized bed microbial fuel cell (AFB-MFC) system, the 16S rDNA gene sequencing was applied, and high-strength synthetic wastewater was treated by the AFB-MFC system. The high-strength synthetic wastewater, in which the concentrations of chemical oxygen demand (COD), nitrite nitrogen, and nitrate nitrogen were above 19,000, 2,516-3,871 and 927-1,427 mg/L, was treated by the AFB-MFC system. The removal efficiency of COD, nitrite nitrogen, and nitrate nitrogen reached 70-89, 98 and 98%, while the maximum voltage was 394 mV. The bacteria analysis revealed the presence of Alistipes putredinis, Carnobacterium sp., Victivallis vadensis, Klebsiella pneumoniae, Thauera sp., Parabacteroides merdae, Parvimonas micra, Parabacteroides sp., and Desulfomicrobium baculatum in the anode chamber. In addition, the Klebsiella pneumoniae was observed to have the capability of organic degradation and electricity generation, while the Thauera sp. has the capability of denitrification.
ISSN:0273-1223
1996-9732
DOI:10.2166/wst.2013.390