Transcription of Wastewater Technology Fact Sheet: Sequencing Batch Reactors
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Wastewater Technology Fact Sheet: Sequencing Batch Reactors
United StatesEnvironmental ProtectionAgencyOffice of WaterWashington, 932-F-99-073 September 1999 WastewaterTechnology Fact SheetSequencing Batch ReactorsDESCRIPTIONThe Sequencing Batch reactor (SBR) is a fill-and-draw activated sludge system for wastewatertreatment. In this system, Wastewater is added to asingle Batch reactor, treated to removeundesirable components, and then , aeration, and clarification can all beachieved using a single Batch reactor. To optimizethe performance of the system, two or more batchreactors are used in a predetermined sequence ofoperations. SBR systems have been successfullyused to treat both municipal and industrialwastewater. They are uniquely suited forwastewater treatment applications characterized bylow or intermittent flow Batch processes similar to the SBRare not a recent development as commonly 1914 and 1920, several full-scale fill-and-draw systems were in operation.
easily modified for nutrient removal in the future, if it becomes necessary. This makes SBRs extremely flexible to adapt to regulatory changes for effluent ... volum e, reactor size, and detention times can be calculated. Additionally, the aeration equipment, decanter, and associated piping can then be sized.
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