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Settling Flux as a Function of Suspension Concentration

When a batch of solids in suspension are allowed to settle, say in a measuring cylinder in the laboratory, there is no net flow through the vessel and so [Pg.53]

In hindered settling under gravity the relative velocity between the particles and the fluid (Up - Uf) is Ureix- Thus using the expression for Ureix found in Equation (3.7), we have [Pg.53]

Combining Equation (3.19) with Equation (3.18) gives the following expression for Up, the hindered settling velocity of particles relative to the vessel wall in batch settling  [Pg.53]

Richardson and Zaki (1954) showed by experiment that for Rep 0.3 (under Stokes law conditions where drag is independent of fluid density). [Pg.54]

Khan and Richardson (1989) recommend the use of the following correlation for the value of exponent n over the entire range of Reynolds numbers  [Pg.54]


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As flux

Concentration function

Concentrations as function

Flux concentrators

Flux function

Function of concentration

SETTLE

Settling

Settling of suspensions

Suspension concentrates

Suspension concentration

Suspensions settling

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