| 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4 改造后酚氨回收工艺流程 | 
| Fig. 4 Process flow chart of phenol-ammonia recovery after transformation | 
|   |