膜-生物反应器中溶解性有机物的三维荧光分析 - 北京玛格泰克科技 .pdfVIP

中国环境科学 2009,29(3) ：290~295 China Environmental Science 膜-生物反应器中溶解性有机物的三维荧光分析 1 1* 1 1 2 2 唐书娟 ,王志伟 ,吴志超 ,王新华 ,陆继来 ,夏明芳 (1. 同济大学环境科学与工程学院,污染控制与资源化 研究国家重点实验室,上 200092 ；2.江苏省环境科学研究院,江苏 南京 210036) 摘要：采用三维荧光技术研究了膜-生物反应器(MBR)处理生活污水过程及膜污染物中溶解性有机物(DOM)的变化,并与传统的厌氧/缺氧/ 好氧(AAO)活性污泥工艺进行了对比.结果表明,生活污水 DOM 中主要的荧光物质有类蛋白质(荧光峰 A 和 B)及类腐殖质(荧光峰 C),经 MBR 处理后,荧光峰的强度降低了 16%~35%,同时类蛋白质的结构也发生了变化.与好氧段滤液相比,溶解性膜污染物中类腐殖质含量较低, 主要的荧光物质为分子量较小、共轭性较弱的类蛋白质.AAO 工艺中厌氧段加强了对荧光峰 A 和 C 的去除,处理过程中类蛋白质结构的变 化与 MBR 工艺有显著不同. 关键词：三维荧光光谱；膜-生物反应器；溶解性有机物；膜污染；污水处理 中图分类号：X703 文献标识码：A 文章编号：1000-6923(2009)03-0290-06 Excitation-emission matrix fluorescence spectra analysis of dissolved organic matter in membrane bioreactor. 1 1* 1 1 2 2 TANG Shu-juan , WANG Zhi-wei , WU Zhi-chao , WANG Xin-hua , LU Ji-lai , XIA Ming-fang (1.State Key Laboratory of Pollution Control and Resource Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China ；2.Jiangsu Academy of Environmental Science, Nanjing 210036, China). China Environmental Science, 2009,29(3)：290~295 Abstract ：Fluorescence spectrum of dissolved organic matter (DOM) in domestic wastewater and membrane foulants during membrane bioreactor (MBR) treatment process was analysed and the comparison of DOM between MBR and traditional anaerobic/anoxic/aerobic process was also carried out. The fluorescent components in domestic wastewater DOM were mainly protein-like (Peak A and Peak B) and humic-like fluorophores (Pe