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回流式无膜生物阴极微生物燃料电池脱氮

Keywords: 微生物燃料电池,无膜,生物阴极,脱氮,回流

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Abstract:

为有效提高脱氮效率、降低MFC运行成本,设计了一种新构型回流式无PEM膜的生物阴极微生物燃料电池,处理生活污水,回收电能。研究了该系统的启动情况及稳定运行时的污水脱氮效果和产电性能。结果表明,系统稳定运行后,输出电压0.53V,反应器内阻406.8Ω,最大功率密度201.9mW/m3。连续进水、停留时间12h、回流比为1及阴极连续曝气条件下,COD去除率85%以上,氨氮去除率93.94%,总氮去除率44.96%,总氮去除较作参比的A2/O系统提高8.17%。

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