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菲对沉积型微生物燃料电池电能输出及污染物去除的影响

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游晓伟, 李秀芬, 华兆哲, 任月萍, 王新华. 菲对沉积型微生物燃料电池电能输出及污染物去除的影响[J]. 环境化学, 2014, 33(12): 2185-2190. doi: 10.7524/j.issn.0254-6108.2014.12.014
引用本文: 游晓伟, 李秀芬, 华兆哲, 任月萍, 王新华. 菲对沉积型微生物燃料电池电能输出及污染物去除的影响[J]. 环境化学, 2014, 33(12): 2185-2190. doi: 10.7524/j.issn.0254-6108.2014.12.014
shu
YOU Xiaowei, LI Xiufen, HUA Zhaozhe, REN Yueping, WANG Xinhua. Effect of phenanthrene on the electricity generation and pollutant removal of sediment microbial fuel cell[J]. Environmental Chemistry, 2014, 33(12): 2185-2190. doi: 10.7524/j.issn.0254-6108.2014.12.014
Citation: YOU Xiaowei, LI Xiufen, HUA Zhaozhe, REN Yueping, WANG Xinhua. Effect of phenanthrene on the electricity generation and pollutant removal of sediment microbial fuel cell[J]. Environmental Chemistry, 2014, 33(12): 2185-2190. doi: 10.7524/j.issn.0254-6108.2014.12.014
shu

菲对沉积型微生物燃料电池电能输出及污染物去除的影响

  • 1.

    江南大学环境与土木工程学院, 环境生物技术室, 无锡, 214122

  • 基金项目:

    国家自然科学基金项目(21076097, 21206058)

    水体污染控制与治理科技重大专项(2012ZX07101-013-04)

    中央高校基本科研业务费专项资金资助(JUSRP111A09)资助.

Effect of phenanthrene on the electricity generation and pollutant removal of sediment microbial fuel cell

  • 1.

    Lab of Environmental Biotechnology, School of Environmental and Civil Engineering, Jiangnan University, Wuxi, 214122, China

  • Fund Project:

  • 摘要: 结合极化曲线和全电池电化学交流阻抗测试,研究了菲对沉积型微生物燃料电池(Sediment Microbial Fuel Cell, SMFC)体系电能输出和COD去除率的影响.结果表明,当菲浓度为0、0.5、1.0、5.0、10.0 mg·L-1时,体系输出电压峰值分别为186.1、283.4、136.7、112.7、74.7 mV,COD去除率分别为30.8%、39.4%、26.7%、23.5%和22.0%,库伦效率则为5.4%、7.1%、4.1%、2.7%和2.1%.SMFC体系的电能输出、污染物去除和库伦效率随菲浓度升高,先促进后抑制,0.5 mg·L-1菲可促进电能输出.电化学交流阻抗谱测试结果表明,0.5 mg·L-1菲体系的欧姆内阻、活化内阻和浓差极化内阻均最小,分别为20.79 Ω、14.94 Ω和106.8 Ω,其表观内阻主要由扩散或浓差极化内阻构成,其次为欧姆内阻,阳极氧化反应和阴极还原反应的活化内阻所占比例最小.
    Abstract: Combining polarization curves and electrochemical impedance spectroscopy (EIS), the effect of phenanthrene on the electricity generation and COD removal of sediment microbial fuel cell (SMFC) was investigated in this work. The results showed that the peak voltages of SMFCs were 186.1, 283.4, 136.7, 112.7 mV and 74.7 mV with phenanthrene of 0,0.5, 1.0, 5.0 mg·L-1 and 10.0 mg·L-1. COD removals were 30.8%, 39.4%, 26.7%, 23.5% and 22.0%. Coulombic efficiencies were 5.4%, 7.1%, 4.1%, 2.7% and 2.1%. With the increase in phenanthrene concentration of SMFC systems, the electricity generation, COD removal and coulombic efficiency were first enhanced and then suppressed. SMFC performance was improved with 0.5 mg·L-1 phenanthrene. EIS revealed that SMFC reactor with 0.5 mg·L-1 phenanthrene exhibited the lowest ohmic resistance (20.79 Ω), activation resistance (14.94 Ω) and diffusion resistance (106.8 Ω). Its apparent internal resistances mainly consisted of the diffusion or activation resistances, and then the ohmic one. The activation resistances of the anode and cathode had minor influence.
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  • 收稿日期:  2014-03-11
游晓伟, 李秀芬, 华兆哲, 任月萍, 王新华. 菲对沉积型微生物燃料电池电能输出及污染物去除的影响[J]. 环境化学, 2014, 33(12): 2185-2190. doi: 10.7524/j.issn.0254-6108.2014.12.014
引用本文: 游晓伟, 李秀芬, 华兆哲, 任月萍, 王新华. 菲对沉积型微生物燃料电池电能输出及污染物去除的影响[J]. 环境化学, 2014, 33(12): 2185-2190. doi: 10.7524/j.issn.0254-6108.2014.12.014
shu
YOU Xiaowei, LI Xiufen, HUA Zhaozhe, REN Yueping, WANG Xinhua. Effect of phenanthrene on the electricity generation and pollutant removal of sediment microbial fuel cell[J]. Environmental Chemistry, 2014, 33(12): 2185-2190. doi: 10.7524/j.issn.0254-6108.2014.12.014
Citation: YOU Xiaowei, LI Xiufen, HUA Zhaozhe, REN Yueping, WANG Xinhua. Effect of phenanthrene on the electricity generation and pollutant removal of sediment microbial fuel cell[J]. Environmental Chemistry, 2014, 33(12): 2185-2190. doi: 10.7524/j.issn.0254-6108.2014.12.014
shu

菲对沉积型微生物燃料电池电能输出及污染物去除的影响

  • 1. 江南大学环境与土木工程学院, 环境生物技术室, 无锡, 214122
  • 收稿日期:  2014-03-11
基金项目:

国家自然科学基金项目(21076097, 21206058)

水体污染控制与治理科技重大专项(2012ZX07101-013-04)

中央高校基本科研业务费专项资金资助(JUSRP111A09)资助.

摘要: 结合极化曲线和全电池电化学交流阻抗测试,研究了菲对沉积型微生物燃料电池(Sediment Microbial Fuel Cell, SMFC)体系电能输出和COD去除率的影响.结果表明,当菲浓度为0、0.5、1.0、5.0、10.0 mg·L-1时,体系输出电压峰值分别为186.1、283.4、136.7、112.7、74.7 mV,COD去除率分别为30.8%、39.4%、26.7%、23.5%和22.0%,库伦效率则为5.4%、7.1%、4.1%、2.7%和2.1%.SMFC体系的电能输出、污染物去除和库伦效率随菲浓度升高,先促进后抑制,0.5 mg·L-1菲可促进电能输出.电化学交流阻抗谱测试结果表明,0.5 mg·L-1菲体系的欧姆内阻、活化内阻和浓差极化内阻均最小,分别为20.79 Ω、14.94 Ω和106.8 Ω,其表观内阻主要由扩散或浓差极化内阻构成,其次为欧姆内阻,阳极氧化反应和阴极还原反应的活化内阻所占比例最小.

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