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6 不同曝气时间下2种改进工艺对COD（a）和TN（b）的处理效果

Fig.6 Treatment effects of COD（a） and TN（b） in two improved processes with different aeration times