Trickling filter design guideline – How do trickling filters work?
![Featured Video Play Icon](https://aqua-equip.com/wp-content/plugins/featured-video-plus/img/playicon.png)
Trickling filters are biological reactors within wastewater treatment plants which are used to remove organic matter and/or ammonia from wastewater. Compared to the activated sludge process the microorganisms are not suspended in the mixed liquor but they are attached to a fixed bed surface. Nowadays, the fixed bed surface is usually provided by structured plastic […]