| 移动床生物滤池对炼化污水COD的去除研究 | 
| 张超 | 
| Study on the removal of COD from refinery wastewater by moving bed biological filter | 
| Chao ZHANG | 
| 图2 第1阶段移动床生物滤池及石化污水处理场BAF的出水COD | 
| Fig. 2 Effluent COD in moving bed biofilter and BAF of petrochemical wastewater treatment plant at stage 1 | 
|   |