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电化学  2013 

污泥水解液基质微生物燃料电池的研究

, PP. 332-335

Keywords: 污水处理,微生物燃料电池,污泥

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Abstract:

研究不同污泥热水解时间下水解液特性及其对微生物燃料电池(MFC)产电的影响.水解时间由2h增至96h,水解液pH基本稳定于7.4~8.0;水解时间增加,其电导率逐渐提高至2.53mS·cm-1,COD浓度和碱度也不断增加,水解液的缓冲能力不断得到提高.MFC最大功率密度达到25W·m-3,COD去除率呈现先增后降,水解6h时达到最大(47%);库仑效率在预水解4h时达到最高(71%).阳极室pH下降可归因于NH4+、Na+、Ca2+、Mg2+等阳离子迁移,其中NH4+的迁移量最大.

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