低温SMBR系统中高粘性膨胀的发生与控制  

Occurrence and Control Strategy of High Viscosity Sludge Bulking in SMBR under Low Temperature

作　　者：杨明[1] 寇相权[1] 王秀蘅[2] 

机构地区：[1]哈尔滨工业大学建筑设计研究院,黑龙江哈尔滨150090 [2]哈尔滨工业大学市政环境工程学院,黑龙江哈尔滨150090

出　　处：《环境保护科学》2012年第6期33-36,43,共5页Environmental Protection Science

基　　金：黑龙江省自然科学基金项目(E201154)

摘　　要：利用一体式膜生物反应器(SMBR),研究了低温时的高粘性膨胀现象。结果表明:当温度为8℃,SRT为60d时发生了严重的高粘性膨胀。膨胀期间,SMBR对COD的去除并无太大影响,但NH3-N和TN的去除率降低。高粘性膨胀使膜污染速率大大增加,降低了膜清洗周期。通过调整进水配方、增加排泥次数、加大曝气量等方法控制了膨胀现象。The paper discusses the high viscosity sludge bulking phenomenon in Submerged Membrane Bioreactor（SMBR） system under low temperature. The results show that： when the temperature is 8℃, SRT is 60d, the system suffers from high viscosity sludge bulking. During the expansion, the removal rate of COD has no big changes while those of NH3-N and TN decrease in SMBR. The high viscosity sludge bulking also makes the membrane pollution rate increase greatly and reduce the period of membrane cleaning. Besides, the paper also puts forward some methods like changing the recipe of influent, increasing the times of sludge removing, raising the air supply to control bulking phenomenon.

关 键 词：低温 一体化膜生物反应器(SMBR) 高粘性污泥膨胀 膜污染 

分 类 号：X505[环境科学与工程—环境工程]