淹没式加压MBR膜污染机理及治理措施  

MEMBRANE FOULING IN SUBMERGED PRESSURIZED MEMBRANE BIOREACTOR AND CORRESPONDING MEASURE TO REDUCE THE FOULING

作　　者：张西旺[1] 金奇庭[1] 任锦霞[1] 

机构地区：[1]西安建筑科技大学环境与市政工程学院,陕西西安710055

出　　处：《水处理技术》2005年第3期61-64,共4页Technology of Water Treatment

基　　金：陕西省教育厅专项科研基金(02JK136)

摘　　要：研究了加压MBR膜通量衰减规律,膜污染阻力的分布;尝试了空曝、水反冲洗、压缩空气反冲洗、物化清洗四种膜清洗方式的膜通量恢复。研究结果表明:加压MBR膜通量衰减迅速,运行17d后膜通量衰减83.5%;膜污染阻力主要由凝胶极化阻力Rp和内部污染阻力Rif构成。The law of membrane flux attenuation and membrane fouling resistance of submerged pressurized membrane bioreactor(P-MBR) were studied, and the measures to reduce the membrane fouling were baken to enhance membrane flux, such as no-effluent aeration, air and water backflush, physical-chemical cleaning. The results showed that the membrane flux declined quickly, and the flux reduced by 83.5% after operating for 17d 17 th/d; the membrane fouling resistance was mainly caused by polarization layer resistance(Rp)and internal fouling resistance(Rif).

关 键 词：膜污染 MBR 膜通量 膜清洗 反冲洗 淹没 治理措施 加压 机理 凝胶 

分 类 号：P315[天文地球—地震学] X703[天文地球—固体地球物理学]