This paper deals with a modified CASS(cyclic activated sludge system)process in treating beer brewery wastewater,focusing on coping with sludge baulking.

• 在CASS变型工艺处理啤酒废水的可行性研究阶段,由于某种原因造成了污泥膨胀现象,影响了工艺的正常运行。