Anaerobic — is a technical word which literally means without air (where air is generally used to mean oxygen), as opposed to aerobic. In wastewater treatment the absence of oxygen is indicated as anoxic ; and anaerobic is used to indicate the absence of a… … Wikipedia
Anaerobic digester types — The following is a partial list of different types of anaerobic digesters. These processes and systems harness anaerobic digestion for purposes such as sewage treatment and biogas generation.Examples include: *Anaerobic activated sludge process… … Wikipedia
Anaerobic digestion — and regenerative thermal oxidiser component of Lübeck mechanical biological treatment plant in Germany, 2007 … Wikipedia
Filter (aquarium) — Aquarium filters are critical components of both freshwater and marine aquaria.cite book |last=Riehl |first=Rüdiger. Editor. |coauthors=Baensch, HA |title=Aquarium Atlas |year=1996. 5th Edn. |publisher=Tetra Press |location=Germany |isbn=3 88244… … Wikipedia
Upflow anaerobic sludge blanket digestion — Upflow Anaerobic Sludge Blanket (UASB) technology, normally referred to as UASB reactor, is a form of anaerobic digester that is used in the treatment of wastewater. The UASB reactor is a methanogenic (methane producing) digester that evolved… … Wikipedia
Trickling filter — A trickling filter consists of a fixed bed of rocks, gravel, slag, polyurethane foam, sphagnum peat moss, or plastic media over which sewage or other wastewater flows downward and causes a layer or film of microbial slime to grow, covering the… … Wikipedia
denitrification filter — an aquarium filter that provides nitrate (NO3) removal using anaerobic bacteria that separate nitrogen from oxygen … Dictionary of ichthyology
Hybrid reactor — A hybrid reactor is an anaerobic digester that combines a UASB reactor with an anaerobic filter. This combination is an advanced form enabling improved solid retention time in the treatment of waste water.ee also*Anaerobic digester types … Wikipedia
AF — AF, aF, af or .af may stand for:AFBusinesses, organizations and projects* Air France, IATA airline designator for Air France * Abercrombie Fitch, an American based, international clothing retailer * Alliance française * A F Records, a record… … Wikipedia
Sewage treatment — The objective of sewage treatment is to produce a disposable effluent without causing harm to the surrounding environment, and also prevent pollution.[1] Sewage treatment, or domestic wastewater treatment, is the process of removing contaminants… … Wikipedia