| 好氧颗粒污泥膜生物反应器中的污泥性质与膜污染研究 |
| 摘要点击 2689 全文点击 2211 投稿时间：2009-05-05 修订日期：2009-08-12 |
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| 中文关键词 好氧颗粒污泥 膜生物反应器 污泥性质 膜污染 污泥比阻 红外光谱 |
| 英文关键词 aerobic granular sludge membrane bioreactor sludge performances membrane fouling sludge specific resistance infrared spectrum |
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| 中文摘要 |
| 好氧颗粒污泥膜生物反应器运行了75 d，其COD、氨氮和总氮去除率分别为91%～95%、89.57%～100%和48.25%～90.84%；运行过程中颗粒污泥出现了一定程度的解体，污泥沉降性能出现了恶化，污泥比阻由起始的1.085×1013m/kg上升到反应末期的2.712×1013 m/kg；胞外聚合物维持在44.71～72.23 mg/g之间.对膜组件污染特性进行研究，发现膜表面滤饼层阻力和膜孔堵塞阻力分别为5.32×1011 m-1和2.34×1011m-1，占到总阻力的67.42%和29.66%.通过对膜污染物质进行红外光谱分析，发现膜污染的主要物质为蛋白质和糖类物质. |
| 英文摘要 |
| The aerobic granular sludge membrane bioreactor worked for 75 days. In this operation, the removal efficiencies for COD，NH+4-N and TN were 91%-95%，89.57%-100% and 48.25%-90.84%, respectively. The granular sludge appeared disintegration to some extent and the sludge settlement performances deteriorated. Sludge specific resistance from initial resistance of 1.085×1013m/kg rose to 2.712×1013 m/kg at the end; extracellular polymeric substances maintained between 44.71 and 72.23 mg/g. Then,pollution characteristics of the membrane module were studied. It was found that membrane surface cake layer resistance and membrane pore plugging resistance were 5.32×1011m-1 and 2.34×1011m-1, accounted for the total resistance of 67.42% and 29.66%, respectively. Through the analysis of infrared spectrum for membrane fouling matters found that the main fouling matters were proteins and carbohydrate materials for membrane. |
