aerated biological filtration的用法和样例：
- An aerated biological filter was used to pretreat the alkaline wastewater in refinery.
- To elevated levels of ammonia and nitrite in their water. Efficient biological filtration is very important.
- Pilot test was made to study the treatment effects of traditional Chinese medicine wastewater by hydrolysis acidification and two-stage aerated biological filter(BAF).
- Brandnew world patented versatile biological filtration material which greatly increases the power of the filtration system.