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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

, PP. 1011-1017

Keywords: 微生物燃料电池,老龄垃圾渗滤液,电极面积,产电性能

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Abstract:

?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。

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