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http://hdl.handle.net/2080/629
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| Title: | Experimental Hydrodynamic Study of a Three-phase Semi-Fluidized Bed |
| Authors: | Jena, H M |
| Keywords: | three-phase semi-fluidization
pressure drop
minimum and maximum semi-fluidization velocity
top packed bed |
| Issue Date: | 2006 |
| Publisher: | CHEMCON |
| Citation: | Proceedings of the Indian Chemical Engineering Congress-2006 (CHEMCON-2006), Ankleshwar, India |
| Abstract: | A semi-fluidized bed is characterized by a fluidized bed (acts as CSTR) and a packed bed (acts as a tubular flow reactor) in series within a single contacting vessel. The possible alteration of the internal structure allows the device to be utilized for a wide range of physical, chemical and biochemical applications. Little information is available on semi-fluidization in the gas-liquid-solid three phase systems, which can best be used as immobilized cell bioreactor. In the present study hydrodynamic characteristics viz. the pressure drop, minimum and maximum semi-fluidization velocity, and rate of top packed bed formation 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 has been conducted in a 100 mm ID, 2m-height vertical Plexiglas column using air, water and glass beads in order to develop a good understanding of each flow regime in gas-liquid-solid semi-fluidization. ... |
| Description: | Copyright for the paper belongs to CHEMCON |
| URI: | http://hdl.handle.net/2080/629 |
| Appears in Collections: | Conference Papers
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| jena-CHEMCON-06.pdf | | 166Kb | Adobe PDF | View/Open |
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