Sludge: 1L from aerationtank of existing aerobic treatment plant, check SV30 and MLSS, MLVSS.
污泥：1L 取自现有现有好氧污水处理厂曝气池，测定SV30， MLSS和MLVSS。
2
This paper applied optimize theory to study the approach to design the structure of aerationtank.
本文运用最优化理论，对推流式曝气池的结构优化设计作了探讨。
3
Studying the distribution of oxygen demand over the aerationtank a design concept of sectional control of the DO concentration was proposed on the basis of oxygen transfer in wastewater.