Electrical and degradation characteristics of microbial fuel cell using biogas slurry as substrate

CAO Lin; YONG Xiaoyu; ZHOU Jun; WANG Shuya; YONG Yangchun; SUN Yongming; CHEN Yilu; ZHENG Tao

doi:10.3969/j.issn.0438-1157.2014.05.049

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Electrical and degradation characteristics of microbial fuel cell using biogas slurry as substrate

更新时间：2025-12-10

- Electrical and degradation characteristics of microbial fuel cell using biogas slurry as substrate
- CIESC Journal Issue 5, (2014)
- 作者机构：
  
  1. 南京工业大学生物与制药工程学院,江苏,南京,211816
  2. 南京工业大学生物能源研究所,江苏,南京,211816
  3. 江苏大学,江苏,镇江,212013
  4. 中国科学院广州能源研究所,广东,广州,510640
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0438-1157.2014.05.049
  CLC： M911.45
- Online First：05 May 2014，
  
  Published：05 May 2014
- 稿件说明：
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CAO Lin, YONG Xiaoyu, ZHOU Jun, et al. Electrical and degradation characteristics of microbial fuel cell using biogas slurry as substrate[J]. CIESC Journal, 2014, (5).
DOI：

CAO Lin, YONG Xiaoyu, ZHOU Jun, et al. Electrical and degradation characteristics of microbial fuel cell using biogas slurry as substrate[J]. CIESC Journal, 2014, (5). DOI： 10.3969/j.issn.0438-1157.2014.05.049.

摘要

为提高生物质能源利用效率，降低废水处理成本，实验构建单室无膜空气阴极微生物燃料电池（microbial fuel cell，MFC），碳布作为阴阳极材料，将牛粪沼液作为接种液及底物进行产电性能测试，同时考察了MFC对该沼液的降解效果。结果表明，MFC能够利用沼液进行产电，最高输出电压330 mV，内阻10 kW，最大功率密度为10.98 mW·m-2，沼液中的不可溶性物质是导致MFC输出电压、功率密度低的重要原因。MFC的运行对沼液中的有机物、氮、磷等物质具有一定的降解能力，24 h内去除率分别达到20.73%、67.82%、72.56%。因此，MFC作为产生电能的新方法，在联合处理沼液等有机废水节能减排方面具有广阔前景。

Abstract

In order to improve the efficiency of biomass energy utilization and reduce the cost for wastewater treatment

an air-cathode membrane-free microbial fuel cell (MFC) was constructed by using carbon cloth as electrode and cattle biogas slurry as anode fed. MFC could use biogas slurry to produce electricity

and the highest output voltage was 330 mV

the internal resistance was 10 kW and maximum power density was 10.98 mW·m-2 . Insoluble substance in MFC was the main reason for low output voltage and power density. After running for 24 h

the degradation rate of COD

total nitrogen and total phosphorus reached 20.73%

67.82% and 72.56%

respectively. Therefore

MFC as a new way to generate electricity is quite promising in energy conservation and emissions reduction.

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