Taking Changchun Shuangyang Wastewater Treatment Plant as example, the controlling methods of activatedsludge culture and debugging operation of CAST at low temperature in the winter were introduced.
以长春市双阳污水处理厂为例，介绍了CAST工艺在冬季低温条件下活性污泥培养与调试运行的控制方法。
2
Ultrasound process can be used in treatment of residual activatedsludge from petrochemical wastewater treatment plant.
采用超声波处理石化污水处理厂的剩余活性污泥。
3
Respirometry is very widely used to characterize the activatedsludge system and to control its operation in wastewater treatment plant.