贾辉,丁志威,王捷,文哲武

• 1:天津工业大学分离膜与膜过程省部共建国家重点实验室
• 2:天津工业大学环境与化学工程学院

摘要(Abstract)：

为改善升流式厌氧污泥床(UASB)工艺缺少动态信息和在线监测工具,设计了一套新型的升流式厌氧污泥床微生物燃料电池(UASB-MFC)耦合系统用以在线监测厌氧消化过程。对UASB-MFC反应器启动及生物颗粒形成进行了研究,并考察悬浮液COD浓度与MFC电压之间的关系,以及系统失衡条件下MFC电压反馈情况。结果表明,该耦合反应器23天可快速启动,形成生物颗粒。在进水浓度为1000~3000 mg?L-1时,电压与基质浓度存在一定的关系,此阶段UASB处理效率较高。当进水浓度较低时,MFC电压上升平缓,此阶段处于低负荷运行;当进水浓度较高时MFC电压下降,系统出现酸化,抑制微生物活性,COD去除率下降。稳定运行180天,MFC的稳定性良好。上述结果表明MFC电信号能够反映UASB内部的动态过程,将成为一种用来监测和控制生物过程的重要工具。

关键词(KeyWords)： 升流式厌氧污泥床;微生物燃料电池;空气阴极;生物传感器;在线监测

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目(51378349,51108314);; 长江学者和创新团队发展计划资助(IRT13084);; 天津市科技兴海项目(KJXH2012-5)

作者(Author): 贾辉,丁志威,王捷,文哲武

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