Trickling Filters
A trickling filter is a type of wastewater treatment system. It consists of a fixed bed of Rock (geology), rocks, coke (fuel), coke, gravel, slag, polyurethane foam, sphagnum peat moss, porous media, ceramic, or plastic media over which sewage or other wastewater flows downward and causes a layer of microbial slime (biofilm) to grow, covering the bed of media. Wikt:aerobic, Aerobic conditions are maintained by splashing, diffusion, and either by forced-air flowing through the bed or natural convection of air if the filter medium is porous. The treatment of sewage or other wastewater with trickling filters is among the oldest and most well characterized treatment technologies. The fundamental components of a complete trickling filter system are: * a bed of filter medium upon which a layer of microbial slime is promoted and developed; * an enclosure or a container which houses the bed of filter medium; * a system for distributing the flow of wastewater over the filter medium; an ...
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Benfleet Sewage Treatment Plant, Filter Bed - Geograph
Benfleet may refer to: Places in England *Benfleet railway station, Essex *Benfleet Urban District, a former urban district in Essex *North Benfleet, a village in the Basildon district of Essex *South Benfleet, a town in the borough of Castle Point, Essex Other uses

*Benfleet F.C., a football club based in Benfleet, Essex {{disambiguation ...
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