Abstract:Circular clarifiers have earned a reputation for being the most trouble free with respect to the sludge collection mechanisms. Square, hexagonal and octagonal tanks are somewhat like circular in the form of the hydraulic flow regimes that are typically established. For purposes of this chapter, tanks of these shapes are considered essentially equivalent to circular tanks.
Circular clarifiers are used extensively in all three levels of wastewater treatment. These include primary, secondary and tertiary treatment. The science of circular clarifier design is continuing to evolve. New features for removing sludge, controlling algae and other goals of treatment are found on almost an annual basis.
Document Type: Research Article
Publication date: January 1, 2005
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