| CASS工艺改进及对城镇污水含氮污染物的去除 | 
| 郑丽丽,刘闯,王倩,李肖燕,马莉萍,梁文艳 | 
| Improvement of CASS process and enhanced removal of nitrogen-containing pollutants from urban wastewater | 
| Lili ZHENG,Chuang LIU,Qian WANG,Xiaoyan LI,Liping MA,Wenyan LIANG | 
| 图3 不同循环周期下3种工艺的DO变化(a)和COD处理效果(b) | 
| Fig.3 DO changes (a) and COD treatment effects (b) of three processes under different cycle periods | 
|   |