biofiltration

例句：

1. 1.Biofiltration is a process used to remove pollutants from water.
   生物过滤是一种用于从水中去除污染物的过程。
2. 2. The biofilter is designed to remove heavy metals from the wastewater.
   生物滤器设计用来从废水中去除重金属。
3. 3. Biofiltration has been shown to be an effective way to treat industrial wastewater.
   研究表明，生物过滤是一种有效处理工业废水的方法。