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Description: Calculating Detention Time
Calculating Detention Time
Detention time is the period of time that a wastewater flow is retained in a basin, tank, or reservoir for storage or completion of physical, chemical, or biological reaction. Detention time is sometimes referred to as contact or retention time. Detention time is calculated by determining the volume of the container (tank, wetwell, pond) and dividing it by the flow in gallons per minute (gpm), hour (gph), day (gpd) or million gallons per day (MGD).
Author(s)
Water Environment Federation
Contributing authorsJorj Long
SourceWater Environment Federation
Document typeFact Sheet
PublisherWater Environment Federation
Print publication date Feb 2016
Volume / Issue
Content sourceOperator Initiative Advisory Panel
Word count4
Subject keywordsPlant Operations and MaintenancetrainingstudytestEnglish unitsproblemcalculationdetention timemathmath helpOperationOperator TrainingOperator

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