| 某兰炭废水酚氨回收装置改造实践 | 
| 武祝民, 李若征, 滕济林 | 
| Reformation practice of phenol-ammonia recovery unit for treating semi-coking wastewater | 
| Zhumin WU, Ruozheng LI, Jilin TENG | 
| 图5 改造后装置出水氨氮 | 
| Fig. 5 Ammonia nitrogen in the effluent of the innovated device | 
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