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Please use this identifier to cite or link to this item: http://hdl.handle.net/2080/628

Title: Hydrodynamics of a Three-phase Semi-fluidized Bed with Irregular Particles
Authors: Jena, H M
Roy, G K
Meikap, B C
Keywords: three-phase semi-fluidization
pressure drop
minimum and maximum semi-fluidization velocity
top packed bed
Issue Date: 2007
Publisher: CHEMCON
Citation: Proceedings of the Indian Chemical Engineering Congress-2007 (CHEMCON-2007), HIT, Ananthpur, Kolkata, India
Abstract: In the present study hydrodynamic characteristics of a co-current gas-liquid-solid three-phase semi-fluidized bed has been studied using liquid as the continuous phase and gas as the discontinuous phase Experiments have been conducted in a 100 mm ID, 2m-height vertical Plexiglas column using air, water and dolomite in order to develop a good understanding of each flow regime in gas-liquid-solid semi-fluidization. It is found that pressure drop increases with increase in particle size, gas velocity and bed expansion ratio. The minimum liquid semi-fluidization velocity increases with particle size, bed expansion ratio, but decreases with gas velocity. The height of the top packed bed increases with liquid and gas velocities, but decreases with particle size and bed expansion ratio.
Description: Copyright for the article belongs to CHEMCON
URI: http://hdl.handle.net/2080/628
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