A study of segregation in a gas-solid fluidized bed: Particles of different density

Segregation and mixing of large particles (≈4 mm) of different density are studied. An experimental technique is developed based upon division of the bed into slices before the gas supply is turned off. Three binary systems (polyethylene, alumina and glass) have been studied, varying the mixture com...

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Bibliographic Details
Published inPowder technology Vol. 58; no. 3; pp. 169 - 174
Main Authors García-Ochoa, F., Romero, A., Villar, J.C., Bello, A.
Format Journal Article
LanguageEnglish
Published Lausanne Elsevier B.V 01.07.1989
Elsevier
Subjects
Applied sciences
Chemical engineering
Exact sciences and technology
Fluidization
Mixing
Specific gravity
Segregation
Fluidization
Measurement method
Experimental study
Modeling
Fluidized bed
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Summary:Segregation and mixing of large particles (≈4 mm) of different density are studied. An experimental technique is developed based upon division of the bed into slices before the gas supply is turned off. Three binary systems (polyethylene, alumina and glass) have been studied, varying the mixture composition and the gas velocity. Concentration and voidage profiles along the bed height are measured. Results are described according to the Gibilaro—Rowe model.
ISSN:0032-5910
1873-328X
DOI:10.1016/0032-5910(89)80111-1