摘要
在SBAR反应器中培养出成熟好氧颗粒污泥,并应用于处理实际城市生活污水。在逐步增加城市生活污水COD含量的情况下,考察了颗粒污泥对COD以及NH3-N的处理效果,平均去除率分别达70%和90%。实验过程中反应器中不同阶段颗粒污泥的生物量浓度基本在2000～3500mg/L范围内变化,且一直具有良好的沉降性,污泥容积指数(SVI)为35～50mL/gMLSS。本文还初步探讨了在利用好氧颗粒污泥处理实际城市生活污水过程中的同步硝化和反硝化作用。
The mature aerobic granular sludge was cultivated successfully in a SBAR reactor, and was applied to the treatment of municipal domestic sewage. Under the condition of increasing COD content of municipal domestic sewage gradually, the effect of the granular sludge on COD and NH3-N removal was investigated. It was shown that both average removal rates reached to 20% and 90% respectively; the biomass concentration of granular sludge at different stages basically kept within 2000-2500mg/L and moreover, the granular sludge possessed better sedimentation performance, sludge volume index（SVI） was within 35-50mL/gMLSS. In addition, the paper primarily enquires into the action of synchronous nitrification and denitrification in the course of treating practical municipal sewage utilizing aerobic granular sludge.
出处
《水处理技术》
CAS
CSCD
北大核心
2006年第8期73-77,共5页
Technology of Water Treatment
