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Please use this identifier to cite or link to this item: http://hdl.handle.net/2080/627

Title: Hydrodynamics of a Three-phase Fluidized Bed
Authors: Jena, H M
Roy, G K
Meikap, B C
Issue Date: 2005
Publisher: Chemcon
Citation: Indian Chemical Engineering Congress-2005 (CHEMCON-2005), IIT, Delhi, P
Abstract: The hydrodynamic characteristics viz. the pressure drop, bed expansion and phase hold up of a co-current gas-liquid-solid three-phase fluidized bed has been studied using liquid as the continuous phase and gas as the discontinuous phase. These have been done in order to develop a good understanding of each flow regime in gas-liquid and liquid-solid fluidization. Air, water and glass beads (2.18mm, 3.05mm and 4.05mm) are used as the gas, liquid and solid phases respectively. The experiments were carried out in a 100 mm ID, 2m-height vertical Plexiglas column. The column consists of three sections, viz., the gas-liquid disengagement section, test section and gas-liquid distributor section. Bed pressure measurements have been made to predict the minimum liquid fluidization velocity. By keeping gas velocity at a fixed value, the liquid velocity was varied and the effect on phase hold-up, minimum liquid fluidization velocity, pressure drop and the expansion ratio was studied for different ...
Description: Copyright for the paper belongs to CHEMCON
URI: http://hdl.handle.net/2080/627
Appears in Collections:Conference Papers

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