- hydraulic retention time
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a measure of the average length of time that a soluble compound remains in a constructed reactor
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hydraulic retention time
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Hydraulic retention time — The Hydraulic retention time (HRT) is a measure of the average length of time that a soluble compound remains in a constructed reactor.HRT = Volume of aeration tank/influent flowrateIn which Volume is in m3 SI unit and Influent flowrate is in… … Wikipedia
Residence time — is a broadly useful concept that expresses how fast something moves through a system in equilibrium. It is the average time a substance spends within a specified region of space, such as a reservoir. For example, the residence time of water… … Wikipedia
Activated sludge — is a process dealing with the treatment of sewage and industrial wastewaters.cite book | author=Beychok, Milton R. | title=Aqueous Wastes from Petroleum and Petrochemical Plants| edition=1st Edition | publisher=John Wiley Sons Ltd | year=1967 |… … Wikipedia
HRT — is an abbreviation that can stand for:Medical* Habit reversal training * Heart rate turbulence * Hormone replacement therapy (menopause) * Hormone replacement therapy (male to female), for transwomen * Hormone replacement therapy (female to male) … Wikipedia
HRT — steht für: Habit Reversal Training, ein verhaltenstherapeutisches Verfahren zur Behandlung von nervösen Verhaltensangewohnheiten Hand Radio Terminal, ein Handsprechfunkgerät für den Bündelfunk Handlungsregulationstheorie, eine… … Deutsch Wikipedia
Anaerobic digestion — and regenerative thermal oxidiser component of Lübeck mechanical biological treatment plant in Germany, 2007 … Wikipedia
Membrane bioreactor — (MBR) is the combination of a membrane process like microfiltration or ultrafiltration with a suspended growth bioreactor, and is now widely used for municipal and industrial wastewater treatment with plant sizes up to 80,000 population… … Wikipedia
Rain garden — A rain garden is a planted depression that is designed to absorb rainwater runoff from impervious urban areas like roofs, driveways, walkways, and compacted lawn areas. This reduces rain runoff by allowing stormwater to soak into the ground (as… … Wikipedia
Crystallization — Crystallizing and Crystallized redirect here. For the action adventure video game, see Crystalis. For the 2009 song by The xx, see Crystalised. For other uses, see Crystallization (disambiguation). Crystallization … Wikipedia
Crystallization (engineering aspects) — In chemical engineering crystallization occurs in a crystallizer. Crystallization is a unit operation through which a chemical compound, dissolved in a given solvent, precipitates under certain conditions to allow successive separation between… … Wikipedia
