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Particle Technology and Fluidization
Classifying the fluidization and segregation behavior of binary mixtures using particle size and density ratios
Article first published online: 26 JUL 2010
DOI: 10.1002/aic.12371
Copyright © 2010 American Institute of Chemical Engineers (AIChE)
Additional Information
How to Cite
Rao, A., Curtis, J. S., Hancock, B. C. and Wassgren, C. (2011), Classifying the fluidization and segregation behavior of binary mixtures using particle size and density ratios. AIChE J., 57: 1446–1458. doi: 10.1002/aic.12371
Publication History
- Issue published online: 5 MAY 2011
- Article first published online: 26 JUL 2010
- Accepted manuscript online: 26 JUL 2010 12:00AM EST
- Manuscript Revised: 30 JUN 2010
- Manuscript Received: 3 MAR 2010
- Abstract
- Article
- References
- Cited By
Keywords:
- fluidization;
- segregation;
- mixing;
- binary mixture
Abstract
Experimental investigations show that fluidized binary mixtures exhibit varied pressure drop profiles and segregation patterns, depending on the level of disparity due to size and/or density differences. In this study, different mixture types are mapped on a graph of density versus size ratios. It is found that the ratio of the minimum fluidization velocities of individual components can be used to categorize these mixtures. A simple correlation is developed to compute the ratio of the minimum fluidization velocities based on the density and size ratios. Categorizing the binary mixtures in this manner gives a qualitative understanding of how the different mixtures behave on fluidization. © 2010 American Institute of Chemical Engineers AIChE J, 2011