Investigation and modelling of sedimentation of mixed particles

A model was developed to predict the relative velocity necessary for the calculation of the settling velocity in fluid-particle sedimentation systems, both binary and polydisperse suspensions. The model obtained was tested against the experimental data obtained from a counter-current flow system and...

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Bibliographic Details
Published inPowder technology Vol. 91; no. 1; pp. 43 - 47
Main Authors Doheim, Mohamed A., Abu-Ali, Mohamed H., Mabrouk, Shawky A.
Format Journal Article
LanguageEnglish
Published Lausanne Elsevier B.V 01.04.1997
Elsevier
Subjects
Applied sciences
Chemical engineering
Exact sciences and technology
Liquid-liquid and fluid-solid mechanical separations
Modeling
Sedimentation
Separation
Settling
Suspensions
Voidage
Separation
Voidage
Sedimentation
Modeling
Suspensions
Slip speed
Hydrodynamics
Polydispersed particle
Particle suspension
Fluid solid
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Summary:A model was developed to predict the relative velocity necessary for the calculation of the settling velocity in fluid-particle sedimentation systems, both binary and polydisperse suspensions. The model obtained was tested against the experimental data obtained from a counter-current flow system and was found to give an excellent fit. The Reynolds number ranges between 4 and 1300. The model predictions were compared with those of other published models. The model predictions have shown an improvement and do not have the limitations present in the other models.
ISSN:0032-5910
1873-328X
DOI:10.1016/S0032-5910(96)03242-1