Trickling filter design guideline – How do trickling filters work?

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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 […]

Trickling filter process – Advantages in comparison to activated sludge

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Trickling filters, also known as bio filters, are normally a fixed-bed, biological reactor operating in aerobic conditions. In the filter, microorganisms are attached to the inter packing material which was composed of rocks or gravel in the past and is nowadays a wide range of plastic fill media. Fill media support is placed on the […]