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| The '''hydraulic retention time''' ('''HRT'''), also known as '''hydraulic residence time''' or t (tau), is a measure of the average length of [[time]] that a [[solubility|soluble]] compound remains in a constructed [[bioreactor]].
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| Hydraulic retention time is the [[volume]] of the [[aeration]] tank divided by the influent [[flow measurement|flowrate]]:
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| <math> HRT = \frac{Volume\; of\; aeration\; tank}{influent\; flowrate} </math> | |
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| where using [[SI Unit]]s ''Volume'' is in [m<sup>3</sup>] and ''Influent flowrate'' is in [m<sup>3</sup>/h].
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| HRT is usually expressed in hours (or sometimes days).
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| {{DEFAULTSORT:Hydraulic Retention Time}}
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| [[Category:Hydrology]]
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| [[Category:Environmental engineering]]
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| [[Category:Hydraulic engineering]]
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| [[Category:Chemical engineering]]
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| [[Category:Waste treatment technology]]
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| {{Chem-stub}}
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| {{Hydrology-stub}}
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| [http://www.lenntech.com/wwtp/calculate-hrt.htm Calculate HRT] | |
Revision as of 08:11, 1 March 2014
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