Experimental studies for measuring the extent of gas exchange between the bubble and emulsion phases in gas-solid fluidized beds were conducted using ozone as a tracer. Measurements were made on the changes of ozone concentration immediately inside the bubbles which were injected successively into t
Gas-bubble hold-up and axial dispersion coefficient of emulsion phases in fluidized beds
β Scribed by Y. Kawase; M. Moo-Young
- Book ID
- 112055229
- Publisher
- John Wiley and Sons
- Year
- 1987
- Tongue
- English
- Weight
- 276 KB
- Volume
- 65
- Category
- Article
- ISSN
- 0008-4034
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π SIMILAR VOLUMES
Gas hold-up and liquid phase axial dispersion coefficient have been measured in water filled bubble columns of 5.08, 14.0 and 29sOcm dia. as a function of the superficial gas velocity. From the gas hold-up measurements the following relationship between the relative velocity between gas and liquid,
Results on heat transfer coefficients and gas-holdup were reported when small quantities of air were dispersed in a liquid (water) fluidized bed of quartz particles (928 and 649 TV mean dia.), the weight of which was varied from 250 to 1250 g. In the case of holdup studies, glass beads of 4 mm were