电极面积对老龄垃圾渗滤液为底物的微生物燃料电池性能影响

程李钰; 徐龙君

电极面积对老龄垃圾渗滤液为底物的微生物燃料电池性能影响

重庆大学煤矿灾害动力学与控制国家重点实验室, 重庆 400044

基金项目: 重庆市基础与前沿研究计划重点项目(CSTC,2013jjB20001)。

详细信息

通讯作者:
徐龙君(1963-),教授,主要从事安全科学与工程、环境科学与工程等方面的教学与科研工作;E-mail:xulj@cqu.edu.cn。

中图分类号: TK6
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- 文章访问数: 329
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- 被引次数: 0
出版历程
- 收稿日期: 2015-02-02
- 修回日期: 2015-04-08
- 刊出日期: 2015-08-30

Effects of electrode surface area on the performance of microbial fuel cells with the aging landfill leachate as substrate

State Key Laboratory of Coal Mine Disaster Dynamics and Control, Chongqing University, Chongqing 400044, China

摘要

摘要: 构建生物阴极型双室微生物燃料电池,处理老龄垃圾渗滤液。研究了阳极与阴极面积比值对微生物燃料电池产电能力和对老龄垃圾渗滤液处理效果的影响。结果表明,阳极与阴极面积比为1:2、2:2、2:1的3组生物阴极型微生物燃料电池输出电压分别为408、452、396mV,最大电功率密度分别为145.73、237.65、136.50mW/m³,内阻分别为350、200、400Ω,COD的去除率分别为21.18%、20.20%、22.31%。3组微生物燃料电池运行30d后,垃圾渗滤液中氨氮、硝酸盐氮、亚硝酸盐氮浓度均下降,其中,氨氮去除率分别为80.88%、73.61%和66.17%,其去除效果与产电性能相关。
- 微生物燃料电池 /
- 老龄垃圾渗滤液 /
- 电极面积 /
- 产电性能
Abstract: Bio-cathode microbial fuel cells (MFCs) were built to treat the aging landfill leachate; the effect of electrode surface area on the aging landfill leachate treatment and electrical performance of MFCs was investigated. The results show that for three sets of bio-cathode MFCs with the ratios of anode area to cathode area being 1:2, 2:2 and 2:1, the stable maximum output voltages are 408, 452 and 396mV, respectively, with the maximum electric power density of 145.73, 237.65 and 136.50mW/m³, the resistance of 350, 200 and 400Ω, and COD removal rate of 21.18%, 20.20% and 22.31%, respectively. After running for 30 days, the concentration of ammonia, nitrate and nitrite nitrogen in landfill leachate is decreased; the ammonia removal rates for the three sets of MFCs are 80.88%, 73.61% and 66.17%, respectively, which is related to the electricity generation of MFCs.
- microbial fuel cell /
- aging landfill leachate /
- electrode area /
- electricity generation

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参考文献(22)

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