摘要
就好氧生物选择器工艺系统中曝气池的停留时间、泥龄等运行参数对COD去除率、污泥沉降性能的影响与常规完全混合法系统作了对比研究。并通过污泥对溶解性有机物的吸附试验和动力学参数的分析对好氧生物选择器的工作原理进行了探讨。在达到同样处理效率的前提下 ,选择器系统中曝气池所需的停留时间和泥龄小于对比系统。选择器系统在低负荷条件下能有效地控制污泥丝状菌性膨胀。
This research compared the influence of aeration tank operation parameters such as hydraulic retention time(HRT), sludge retention time(SRT) etc. in aerobic biological selector on COD removal efficiency, sludge settle ability with that in the complete mix activated sludge process (CMAS). Research on the working mechanism of aerobic biological selector was done through sludge absorption test of soluble organic matter and kinetic parameters analysis. To attain the same effluent quality, SRT and HRT for the aerobic biological selector process are shorter than that for CMAS process. Aerobic selector process can control filamentous bulking efficiently under low F/M condition. But it has a failure tendency under long SRT condition.
出处
《给水排水》
CSCD
北大核心
2000年第2期17-21,共5页
Water & Wastewater Engineering
基金
北京市教委科技发展计划项目
