浸没式平板膜生物反应器处理工业区污水试验研究  

TREATMENT OF INDUSTRIAL PARK WASTEWATER USING A SUBMERGED FLAT-SHEET MEMBRANE BIOREACTOR

作　　者：黄圣散[1] 吴志超[1] 周琪[1] 

机构地区：[1]同济大学环境科学与工程学院,上海200092

出　　处：《环境工程》2005年第6期13-15,共3页Environmental Engineering

基　　金：国家高科技研究发展计划(863计划)资助课题(2002AA601220)

摘　　要：膜生物反应器(MBR)是膜技术和污水生物处理技术相结合的污水处理新工艺,近年来在城市污水和工业废水的处理中得到越来越多的关注。本试验采用浸没式平板膜生物反应器处理某城市工业区污水,并对该平板膜在运行过程中的膜污染情况进行试验研究,同时介绍其污水处理效果。试验表明,该MBR在次临界操作运行的情况下,以通量13L(m2·h)运行33d后,膜污染非常严重,将平板膜取出清洗后改以8L(m2·h)恒流运行,在此后60多d运行时间内,MBR系统保持稳定。同时,系统对该工业区污水CODCr、BOD5、NH3N和浊度的平均去除率分别稳定在80%、95%、90%和98%以上,但对总氮的去除效果一般,去除率只有50%～60%。Membrane bioreactors (MBRs), in which membranes are applied to biological wastewater treatment, have been greatly developed both in the treatment of domestic and industrial wastewater recently.A submerged flat-sheet membrane bioreactor was used for the treatment of industrial park wastewater in a city.The aims of this study were to investigate the changes in membrane fouling in the operation of a flat-sheet membrane bioreactor and also the treatment efficiency was given.Experiment results showed that membrane fouling was serious when the MBR operating at flux 13 L/(m^2·h) for about 33 days, but increasing slowly during 2 months operation at flux 8 L/(m^2·h).The removal efficiency of COD_ Cr,BOD_5,NH_3-N and turbidity was 80%,95%,90% and 98% respectively, but the removal rate of total nitrogen was only 50%～60%.

关 键 词：膜生物反应器 临界通量 膜污染 污水处理 

分 类 号：X703[环境科学与工程—环境工程] X505