Trickling filters are one type of treatment process used in treatment plants. Wastewater is trickled over a bed of rocks or other media and the bacteria on the media break down the pollutants in the wastewater.
Trickling filters are one type of treatment process used in treatment plants. Wastewater is trickled over a bed of rocks or other media and the bacteria on the media break down the pollutants in the wastewater.