四级A/O镶嵌MBBR工艺在高原污水厂的设计应用
宋海东, 魏琦, 蒋伟国, 李志伟

Design and application of four-stage A/O and MBBR process in plateau wastewater treatment plant
Haidong SONG, Qi WEI, Weiguo JIANG, Zhiwei LI
图1 改造前(a)和改造后(b)的工艺流程
Fig. 1 Process flow before transformation (a) and after transformation (b)