aerated biological filter的用法和样例：
- An aerated biological filter was used to pretreat the alkaline wastewater in refinery.
- Pilot test was made to study the treatment effects of traditional Chinese medicine wastewater by hydrolysis acidification and two-stage aerated biological filter(BAF).
- It was showed that aeration biological filter and general filter could effectively remove organics,NH3-N and SS in sewage.
- Pilot scale downgrade flow aeration biological filter with fillings whose density is heavier than water density was tested to treat wastewater from cigarette production.
- The effluent from a sewage treatment plant was treated by aeration biological filter and general filter,and then used as cooling water for power plant and irrigation for afforestation.