高浓度活性污泥法对二沉池的要求探讨  

Requirements of high concentration activated sludge process on secondary clarifier

作　　者：周克钊 

机构地区：[1]中国市政工程西南设计研究总院,成都610081

出　　处：《给水排水》2013年第9期46-51,共6页Water & Wastewater Engineering

摘　　要：根据深圳市罗芳污水处理厂的中试结果,探讨高浓度活性污泥法对二沉池的要求。按照澄清功能对污泥沉降速度进行分析,以浓缩功能对活性污泥固体通量进行判断,结果表明,工程设计中应适当降低二沉池表面水力负荷和提高污泥回流比。同时,根据不同的污泥沉降性能,得出了具体的能够稳定维持系统高浓度活性污泥的设计参数。In this paper, based on the results oI pilot test ot anenznen Luofang Wastewater Treatment Plant, the requirements of high concentration activated ary sludge process on second clarifier was discussed. The impacts of sludge settling rate on clarifying effects and the impacts of activated sludge solid flux on condensing effects were analyzed. The results showed that decreasing secondary clarifier surface hydraulic load properly and improving sludge reflux ratio should be con- ducted in project design. Meanwhile, according to the different sludge steeling characteristics, this study also got the detalied design parameters stabilize and maintain high concentration activated sludge in the system.

关 键 词：高浓度活性污泥法 二沉池表面水力负荷 污泥回流比 限制固体通量 

分 类 号：X703[环境科学与工程—环境工程]