Effect of Inorganic Salt in the Culture on Microbial Fuel Cells Performance

被引：0
作者：
Du, Yunlong [1 ,2 ]
Feng, Yali [1 ]
Teng, Qing [1 ,2 ]
Li, Haoran [2 ]
机构：
[1] Univ Sci & Technol Beijing, Sch Civil & Environm Engn, Beijing 100083, Peoples R China
[2] Chinese Acad Sci, Inst Proc Engn, State Key Lab Biochem Engn, Beijing 100190, Peoples R China
来源：
INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE | 2015年 / 10卷 / 02期
基金：
中国国家自然科学基金;
关键词：
Inorganic salt; Microbial fuel cell; Power density; Internal resistance; Electrochemical activity; WASTE-WATER TREATMENT; ELECTRICITY-GENERATION; SYSTEM; MFC;
D O I：
暂无
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
In this paper, the effect of inorganic salt in the culture on microbial fuel cells (MFCs) performance in actual wastewater treatment was studied by analyzing the output voltage, the processing time of wastewater treatment, the internal resistance and its distribution, and the electrochemical activity of anode exoelectrogens. The biogas slurry with chemical oxygen demand (COD) 1700 mg/L was as electrolyte. The results showed that the addition of inorganic salt could improve the stable output voltage by 40.21 percent and shorten the processing time of wastewater treatment by 115 hours. In addition, it could reduce the internal resistance by 27 percent. And further study showed that the effect of inorganic salt on MFC charge transfer resistance was mainly shown on the decrease of solution resistance and anode charge transfer resistance. What's more, it would enhance the electrochemical activity of anode exoelectrogens through balancing nutritive proportion.
引用
收藏
页码：1316 / 1325
页数：10
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