温度对厌氧流化床旋转膜生物反应器处理城市污水的影响研究  

Study on the Effect of Temperature on the Municipal Wastewater Treatment by Anaerobic Fluidized Bed-Rotating Membrane Bioreactor

作　　者：马剑锋[1] 朱雷[1] 许颖[2] 艾力江·努尔拉[2] 夏俊林[2] 黄霞[2] 

机构地区：[1]武汉科技大学城市建设学院,湖北武汉430070 [2]清华大学环境学院,环境模拟与污染控制国家重点联合实验室,北京100084

出　　处：《水处理技术》2017年第6期91-95,共5页Technology of Water Treatment

基　　金：科技部国际合作项目(2013DFG92240)

摘　　要：采用厌氧流化床旋转膜生物反应器(AFRMBR)中试装置,考察温度对其处理城市污水过程中反应器运行及微生物群落的影响。结果表明,膜出水COD保持在50 mg/L左右,COD去除率可达90%以上,温度变化对整体COD去除率无明显影响。温度在30℃以上时,产气量达到0.2 L/g,温度降低,产气量随之减少至0.04 L/g。膜污染过程表现出显著的三阶段污染模式。温度对污泥混合液中溶解性微生物代谢产物(SMP)的影响较大,温度降低,SMP含量升高。主要产甲烷微生物,如甲烷鬃毛菌属和甲烷杆菌属在温度30℃以上时相对丰度较高,产气效果较好。The effect of temperature on the pilot-scale anaerobic fluidized bed-rotating membrane bioreactor （AFRMBR） operation in muiaicipal waste-water treatment process and microbial community were researched. The results showed that the membrane effluent COD maintained around 50 mg/L and removal rate could reach 90%, and the change of temperature had little effect on COD removal. Biogas production rate reached 0.2 L/g when temperature was above 30℃, then gradually decreased to 0.04 Leg with temperature decreasing to 15℃. The three-stage membrane fouling process was observed. During the operation, the change of temperature significantly affected on the content of soluble microbial products （SMP）, that is, the content of SMP was increasing with the decreasing of temperature. The results indicated that the relative abundance ofmethanogenie microorganisms was high, like Methanosaeta and Methanobacterium when temperature was above 30 ℃, so the biogas production was better.

关 键 词：厌氧膜生物反应器 城市污水 微生物群落结构 温度 膜污染 

分 类 号：X799.3[环境科学与工程—环境工程]