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| 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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| jena-CHEMCON-05.pdf | | 183Kb | Adobe PDF | View/Open |
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