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Microbial fuel cell using ferrous ion activated persulfate as a cathodic reactant
被引:22
作者:
Wang, Ying
[1
,2
]
Niu, Cheng-Gang
[1
,2
]
Zeng, Guang-Ming
[1
,2
]
Hu, Wen-Juan
[1
,2
]
Huang, Da-Wei
[1
,2
]
Ruan, Min
[1
,2
]
机构:
[1] Hunan Univ, Coll Environm Sci & Engn, Changsha 410082, Hunan, Peoples R China
[2] Hunan Univ, Minist Educ, Key Lab Environm Biol & Pollut Control, Changsha 410082, Hunan, Peoples R China
基金:
中国国家自然科学基金;
高等学校博士学科点专项科研基金;
关键词:
Microbial fuel cell;
Ferrous ion activated persulfate;
Cathodic reactant;
Maximum power density;
ELECTRICITY-GENERATION;
PERFORMANCE;
AIR;
CHALLENGES;
OXIDATION;
PH;
D O I:
10.1016/j.ijhydene.2011.08.071
中图分类号:
O64 [物理化学(理论化学)、化学物理学];
学科分类号:
070304 ;
081704 ;
摘要:
In the present paper, the K2S2O8-Fe2+ system without pH adjustment was used as a cathodic reactant in a two-chamber microbial fuel cell (MFC) for the first time. The performance of the MFC with K2S2O8-Fe2+ system was discussed and compared with that of K2S2O8 and H2O2-Fe2+ system, respectively. These results demonstrated that the introduced ferrous ion could improve the power generation significantly. The initial K2S2O8/Fe2+ molar ratios and the pH, which can affect the performance of MFC, were discussed later. The results revealed that K2S2O8-Fe2+ system achieved the best performance at K2S2O8/Fe2+ molar ratios of 2:1 and the K2S2O8-Fe2+ system was stable with varying pH value. This study demonstrated that the K2S2O8-Fe2+ system can be used as an effective cathodic reactant due to its excellent performance. Copyright (C) 2011, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
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页码:15344 / 15351
页数:8
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