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Laboratory tests prove that fluidized floc beds behave in accordance with general equation of fluidization; increase of viscosity decreases output of clarifier during low temperatures; sludge remover should move slowly to prevent separation of eddy; flow in funnel shape sludge-blanket zone is not steady or radial; separated vortex in inlet of this chamber may still cause floc eruption at sludge-blanket level; discharge of suspension into sludge thickener is computed as overflow over weir and depends on floc density, height of overflow layer, and fraction concentration; collecting of clarified water is calculated as potential flow; minimum clearwater depth is one-half distance between two collecting troughs.
Laboratory tests prove that fluidized floc beds behave in accordance with general equation of fluidization; increase of viscosity decreases output of clarifier during low temperatures; sludge remover should move slowly to prevent separation of eddy; flow in funnel shape sludge-blanket zone is not steady or radial; separated vortex in inlet of this chamber may still cause floc eruption at sludge-blanket level; discharge of suspension into sludge thickener is computed as overflow over weir and depends on floc density, height of overflow layer, and fraction concentration; collecting of clarified water is calculated as potential flow; minimum clearwater depth is one-half distance between two collecting troughs.
Flow in sludge-blanket clarifiers
ASCE -- Proc (J Sanitary Eng Div)
Tesarik, I. (author)
1967
16 pages
Article (Journal)
English
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