焦化废水处理工程实例分析

张志超,牛涛,于豹,石伟

Case analysis of coking wastewater treatment project

Zhichao ZHANG,Tao NIU,Bao YU,Wei SHI

图5 系统总氮、硝态氮、氨氮的变化情况

Fig. 5 The changes of nitrate，ammonia and total nitrogen in the system