ORIGINAL RESEARCH
Treating Simulated Nitrate Pollution Groundwater with Different pH by Microbial Fuel Cell
Shaohua Chen 1  
,  
Wenliang Chen 1  
,  
Xiufang Wang 1  
,  
Yi Ding 1  
,  
Donglin Zhao 1  
,  
Jiaquan Wang 2  
 
 
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1
School of Materials Science and Chemical Engineering, Anhui Jianzhu University, Hefei 230022, Anhui Province, P.R. China
2
School of Resource and Environment Engineering, Hefei University of Technology, Hefei 230009, Anhui Province, P.R. China
CORRESPONDING AUTHOR
Shaohua Chen   

School of Materials Science and Chemical Engineering, Anhui Jianzhu University, Hefei 230022, Anhui Province, P.R. China, China
Online publication date: 2020-05-13
Submission date: 2019-12-23
Final revision date: 2020-02-10
Acceptance date: 2020-02-24
 
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ABSTRACT
Microbial fuel cell (MFC) is regarded as a promising technology to treat waste water and generate electricity simultaneously. MFCs usually work in the water-soluble medium, but the performance of the MFC which works in the porous medium is still unclear. Therefore, in this paper, a sand box was used to construct a dual-chamber MFC to investigate its performance. The MFC was used in porous medium to simulate the environment of groundwater, which was used to investigate the nitrate removal rate and the performance of electricity generation under different pH values. The performance of the MFC electrode was investigated by cyclic voltammetry (CV) and electrochemical impedance spectroscopy (EIS). The results showed that the maximum power density was 0.003 mW/m3 (pH = 7.0) and the lowest nitrate concentration was 0.49 mg/L (pH = 8.5). The dominant microbial communities were Comamonadaceae bacterium, Xanthomonas axonopodis et al. Although the MFC was weak in electricity generation, it could offer valuable reference to further experiment.
eISSN:2083-5906
ISSN:1230-1485