The Zhujiahe sewage treatment plant is the first of its kind in Qingzhen City,Guizhou Province. As a second rank sewage treatment plant,it has made use of the advanced CASS technology. This paper gives a brief account of its design method and parameters.

• 清镇朱家河污水处理厂是清镇市第一座城市二级污水处理厂 ,污水处理工艺采用了较先进的CASS工艺 ,现简述其工艺设计方法及参数取值。