双室电化学体系中产电微生物与黄铁矿单晶协同电子转移反应

丁竑瑞; 李艳; 鲁安怀

doi:10.3799/dqkx.2012.035

Volume 37 Issue 2

Mar. 2012

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Article Navigation > Earth Science > 2012 > 37(2): 313-318

DING Hong-rui, LI Yan, LU An-huai, 2012. Electrochemical Study on Electron Transfer Process between Electricigens and Single Crystal Pyrite in a Dual-Chambered Equipment. Earth Science, 37(2): 313-318. doi: 10.3799/dqkx.2012.035

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DING Hong-rui, LI Yan, LU An-huai, 2012. Electrochemical Study on Electron Transfer Process between Electricigens and Single Crystal Pyrite in a Dual-Chambered Equipment. Earth Science, 37(2): 313-318. doi: 10.3799/dqkx.2012.035

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Electrochemical Study on Electron Transfer Process between Electricigens and Single Crystal Pyrite in a Dual-Chambered Equipment

doi: 10.3799/dqkx.2012.035

The Key Laboratory of Orogenic Belts and Crustal Evolution, School of Earth and Space Sciences, Peking University, Beijing 100871, China

Received Date: 2010-08-12
Publish Date: 2012-03-15

Abstract

Abstract

This research built up a dual-chambered electricigens-pyrite equipment. Using single crystal pyrite as electron acceptor of electricigens, and the electron transfer process was analyzed by electrochemical methods. Compared with graphite electrode, the maximum system power density increased by 132.9% and polarization resistance of EIS decreased by 98.8% with a single crystal pyrite electrode. The data show a favorable electron transfer activity between electricigens and single crystal pyrite. The electron transfer process is related to the two electrode reactions, of which one is microbial oxidation by electricigens, and the other is reduction at 0.34 V (vs. SCE) by single crystal pyrite as electron acceptor.
- pyrite,
- electricigens,
- microbial reduction,
- electrochemisty,
- mineralogy,
- environmental engineering

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References(20)

References

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