Definitions for "Trickling filter"
A coarse treatment system in which wastewater is trickled over a bed of stones or other material covered with bacteria that break down the organic waste and produce clean water.
An oxidative process for the treatment of sewage; liquid sprayed onto a rock bed is oxidised by microbes growing on the rock surface.
An attached growth biological process in which the microbial film is attached to non-moving rock or plastic media.