沸石强化A/O生物脱氮工艺中有机污染物的降解作用研究  

A full-scale study on organic contaminant degraded mechanism from biological A/O process enhanced by zeolite

作　　者：成官文[1] 吴志超[2] 章非娟[2] 黄翔峰[2] 

机构地区：[1]桂林工学院资源与环境工程系,桂林541004 [2]同济大学污染控制与资源化研究国家重点实验室,上海200092

出　　处：《环境工程学报》2007年第3期5-10,共6页Chinese Journal of Environmental Engineering

基　　金：国家"863"高技术研究发展计划资助项目(2003AA601020);上海市水务局项目;桂林工学院博士基金项目

摘　　要：拉曼光谱、TOC和UV254测试结果显示,在沸石强化A/O生物脱氮-同步化学除磷工艺中,城市污水中的溶解性和非溶解性有机污染物易被含沸石活性污泥吸附,由于含沸石活性污泥的异养菌较常规A/O生物脱氮工艺污泥的异养菌高数倍至55倍,其有机污染物的生物降解能力得到改善,COD去除率维持在90%左右,0.22μm膜过滤液TOC去除率接近97%,0.45μm滤纸过滤液TOC去除率达到92%,并使包括一些难降解有机物在内的有机污染物得到进一步降解。The analytical results of Raman spectrum, TOC and UV254 indicated that in a full-scale test of biological A/O process enhanced by zeolite, dissolved and non-dissolved organic contaminants in municipal wastewater are easily adsorbed and degraded by the activated sludge contained zeolite. Because the activated sludge containing zeolite has more bacterium than the activited sludge of biological A/O process, the biodegradabilities of organic contaminants are improved in the process. Organic contaminants,including 90% of COD in municipal wastewater,97% of TOC in filter effluent of 0.22μm filtration membrane,92% of TOC in filter effluent of 0.45μm filtration membrane and nonbiodegradable organics, are removed or further degraded by the activated sludge in biological A/O process enhanced by zeolite.

关 键 词：A/O工艺 有机污染物 沸石 

分 类 号：X703.1[环境科学与工程—环境工程]