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双室污泥微生物燃料电池产电的影响因素

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连静, 孙永军, 李鹤超, 刘俊新, 肖本益. 双室污泥微生物燃料电池产电的影响因素[J]. 环境工程学报, 2014, 8(10): 4515-4520.
引用本文: 连静, 孙永军, 李鹤超, 刘俊新, 肖本益. 双室污泥微生物燃料电池产电的影响因素[J]. 环境工程学报, 2014, 8(10): 4515-4520.
shu
Lian Jing, Sun Yongjun, Li Hechao, Liu Junxin, Xiao Benyi. Influencing factors of electricity production from sewage sludge by two-chamber microbial fuel cell[J]. Chinese Journal of Environmental Engineering, 2014, 8(10): 4515-4520.
Citation: Lian Jing, Sun Yongjun, Li Hechao, Liu Junxin, Xiao Benyi. Influencing factors of electricity production from sewage sludge by two-chamber microbial fuel cell[J]. Chinese Journal of Environmental Engineering, 2014, 8(10): 4515-4520.
shu

双室污泥微生物燃料电池产电的影响因素

  • 1.

    中国科学院生态环境研究中心, 北京 100085

  • 2.

    中国矿业大学化学与环境工程学院, 北京 100083

  • 基金项目:

    国家“水体污染控制与治理”科技重大专项（2012ZX-07203-001）

    国家自然科学基金资助项目（51108043）

  • 中图分类号: X705

Influencing factors of electricity production from sewage sludge by two-chamber microbial fuel cell

  • 1.

    Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China

  • 2.

    School of Chemical & Environmental Engineering, China University of Mining & Technology, Beijing 100083, China

  • Fund Project:

  • 摘要: 为了提高污泥产电的效率，研究了以城市污水处理厂剩余污泥为基质的双室微生物燃料电池产电的4个影响因素：电极面积、电极间距、污泥浓度和污泥起始pH。研究结果表明，小电极面积电池的输出电压比大电极面积电池低，而电池的输出功率则正好相反；电极间距较小时（4.5 cm），电池的输出电压比电极间距较大（7.75 cm和13 cm）时高；实验的3个污泥浓度中，13.0 g/L为最佳污泥浓度，污泥浓度的升高或降低均会降低利用污泥产电的输出电压和单位污泥的产电功率，不利于污泥产电；当阳极室污泥的起始pH处于碱性时，电池的输出电压更高，污泥产电更好，其中pH为10.0时最好。极化曲线分析表明，这4个因素均会影响以污泥为基质的双室微生物燃料电池的性能。
    Abstract: To improve the efficiency of electricity production from sewage sludge by two-chamber microbial fuel cell (MFC),this study investigated four influencing factors including the electrode area,electrode distance,sludge concentration,and initial sludge pH value.The results indicated that the MFC with a smaller electrode area yielded a lower output voltage,but it was just the opposite in terms of the output power density.At a shorter electrode distance (i.e.4.5 cm),the MFC yielded a higher output voltage than those at longer electrode distances (i.e.7.75 and 13.0 cm).Among the three sludge concentrations examined,the optimal one was 13.0 g/L;and either increasing or decreasing the sludge concentration would reduce the output voltage and the power production per unit sludge,thus becoming unfavorable for the electricity production from sewage sludge.An initial alkaline pH condition in the anodic chamber favored the electricity production,and the optimal pH value was 10.0.The analysis of polarization curves revealed that the above four factors would all affect the performance of the two-chamber MFC which used sewage sludge as substrate.
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  • 收稿日期:  2014-03-03
  • 刊出日期:  2014-09-28
连静, 孙永军, 李鹤超, 刘俊新, 肖本益. 双室污泥微生物燃料电池产电的影响因素[J]. 环境工程学报, 2014, 8(10): 4515-4520.
引用本文: 连静, 孙永军, 李鹤超, 刘俊新, 肖本益. 双室污泥微生物燃料电池产电的影响因素[J]. 环境工程学报, 2014, 8(10): 4515-4520.
shu
Lian Jing, Sun Yongjun, Li Hechao, Liu Junxin, Xiao Benyi. Influencing factors of electricity production from sewage sludge by two-chamber microbial fuel cell[J]. Chinese Journal of Environmental Engineering, 2014, 8(10): 4515-4520.
Citation: Lian Jing, Sun Yongjun, Li Hechao, Liu Junxin, Xiao Benyi. Influencing factors of electricity production from sewage sludge by two-chamber microbial fuel cell[J]. Chinese Journal of Environmental Engineering, 2014, 8(10): 4515-4520.
shu

双室污泥微生物燃料电池产电的影响因素

  • 1. 中国科学院生态环境研究中心, 北京 100085
  • 2. 中国矿业大学化学与环境工程学院, 北京 100083
  • 收稿日期:  2014-03-03
基金项目:

国家“水体污染控制与治理”科技重大专项（2012ZX-07203-001）

国家自然科学基金资助项目（51108043）

摘要: 为了提高污泥产电的效率，研究了以城市污水处理厂剩余污泥为基质的双室微生物燃料电池产电的4个影响因素：电极面积、电极间距、污泥浓度和污泥起始pH。研究结果表明，小电极面积电池的输出电压比大电极面积电池低，而电池的输出功率则正好相反；电极间距较小时（4.5 cm），电池的输出电压比电极间距较大（7.75 cm和13 cm）时高；实验的3个污泥浓度中，13.0 g/L为最佳污泥浓度，污泥浓度的升高或降低均会降低利用污泥产电的输出电压和单位污泥的产电功率，不利于污泥产电；当阳极室污泥的起始pH处于碱性时，电池的输出电压更高，污泥产电更好，其中pH为10.0时最好。极化曲线分析表明，这4个因素均会影响以污泥为基质的双室微生物燃料电池的性能。

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