高通量自生动态膜生物反应器的运行特性  

Operating Characteristics of Self-forming Dynamic Membrane Bioreactor at High Flux

作　　者：吴盈禧[1] 陈福泰[1] 黄霞[1] 

机构地区：[1]清华大学环境模拟与污染控制国家重点实验室,北京100084

出　　处：《中国给水排水》2004年第2期5-7,共3页China Water & Wastewater

基　　金：国家自然科学基金资助项目 (5 0 1 780 39)

摘　　要：自生动态膜生物反应器利用过滤过程中在粗网材料表面形成的动态膜进行泥水分离 ,与由微滤、超滤构成的传统膜生物反应器相比具有组件费用低、过滤压力小等优点。考察了动态膜生物反应器在高通量 [4 0L/ (m2 ·h) ]下处理生活污水的运行特性 ,结果表明 ,反应器稳定运行33d后动态膜的过滤压差从零上升到 2 4 5Pa ;系统对COD和氨氮的平均去除率分别为 78%和91 %。In the self-forming dynamic membrane bioreactor, the dynamic membrane, which was formed on the surface of coarse mesh material during filtration was used for separation of sludge and water, and it had the advantages of low cost of membrane module and low filtration pressure as compared with conventional membrane bioreactor made up of microfiltration or ultrafiltration. Investigation was made on the operating characteristics of dynamic membrane bioreactor in treatment of domestic sewage at a flux of 40 L/(m^2·h). The result showed that when the reactor operates steadily for 33 days, filtration pressure difference of the dynamic membrane rises from zero to 245 Pa; and removal rate of COD and NH^+_4-N in the system is averaged respectively at 78% and 91%.

关 键 词：自生动态膜生物反应器 粗网材料 膜通量 过滤压差 

分 类 号：X703.1[环境科学与工程—环境工程]