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›› 2009, Vol. 9 ›› Issue (1): 133-137.

• 生化工程专栏 • 上一篇    下一篇

利用小球藻构建微生物燃料电池

何辉 冯雅丽 李浩然 李顶杰   

  1. 北京科技大学土木与环境工程学院 北京科技大学土木与环境工程学院 中国科学院过程工程研究所生化工程国家重点实验室 中国科学院过程工程研究所生化工程国家重点实验室
  • 收稿日期:2008-09-27 修回日期:2008-11-17 出版日期:2009-02-20 发布日期:2009-02-20
  • 通讯作者: 冯雅丽

Construction of a Microbial Fuel Cell Using Chlorella vulgaris

HE Hui FENG Ya-li LI Hao-ran LI Ding-jie   

  1. School of Civil and Environmental Engineering, University of Science and Technology Beijing School of Civil and Environmental Engineering,University of Science and Technology Beijing,Beijing State Key Laboratory of Biochemical Engineering, Institute of Process Engineering State Key Laboratory of Biochemical Engineering, Institute of Process Engineering
  • Received:2008-09-27 Revised:2008-11-17 Online:2009-02-20 Published:2009-02-20
  • Contact: FENG Ya-li

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被引次数

81

摘要： 利用分离的小球藻(Chlorella vulgaris)构建了光合微生物燃料电池，考察了小球藻加入阴阳极和以废水为底物的电池产电性能及机理. 结果表明，构建的微生物燃料电池是可行的，电能输出主要依赖吸附在电极表面的藻，而与悬浮在溶液中的藻基本无关. 光照是该燃料电池电压变化的主要影响因素之一. 在阴极室中添加铁离子，通过其二和三价间的循环转化，提高电子的传递速率，加快质子和氧气的反应，电池的输出功率密度达到11.82 mW/m2，COD去除率达到40%. 这种电池将化学能、光能转化为电能的同时可处理污水并回收小球藻.

关键词: 小球藻, 微生物燃料电池, 光合作用, 污水处理

Abstract: The photosynthesis microbial fuel cell was constructed using separated Chlorella vulgaris. Electricity production and mechanism of the cell were preliminarily studied. By analyzing the cell voltage measured by the acquisition system, it was proved that the photosynthetic microbial fuel cell was feasible. Microbial electricity generation was mainly attributed to the electrochemically and biologically active cells attached to the electrode, and the suspended algae in the solution were not involved. The illumination was one of main influential factors on the voltage of MFC. By adding Fe3+ to the cathode chamber, electron transfer driving force was generated in coupling of Fe3+ reduction to Fe2+ on the cathode. The Fe2+ cations were subsequently oxidized by O2 in air. For this Fe3+ circular effect，the electron transfer and oxidation-reduction efficiency were enhanced. The output power density of MFC was up to 11.82 mV/m2, and the removal rate of COD reached 40%. This kind of MFC could produce electricity and treat the wastewater simultaneously.

Key words: Chlorella vulgaris, microbial fuel cell, photosynthesis, wastewater treatment

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