Trickle beds of I meter in length and resp. 5, 10 and 20cm in diameter were operated in the so-called pulsing flow regime. The packing was 2.5 rcsp. 4 mm Raschig rings. Air was taken as the gas phase. Several liquids were used. In this contribution we describe the transition from gas-continuous to p
Cocurrent gas—liquid flow in packed columns
✍ Scribed by B.E.T. Hutton; L.S. Leung
- Publisher
- Elsevier Science
- Year
- 1974
- Tongue
- English
- Weight
- 396 KB
- Volume
- 29
- Category
- Article
- ISSN
- 0009-2509
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✦ Synopsis
A model is proposed for cocurrent gas liquid flow through a packed bed. For a given packing, gas and liquid flow rates, we proposed that (i) liquid holdup is a function only of pressure gradient and liquid flow rate and (ii) pressure gradient is only a function of liquid holdup and gas flow rate. Equations are presented which permit the prediction of pressure gradient and liquid holdup for cocurrent upflow and cocurrent downflow in a packed bed. Predictions from the model are shown to be in reasonable agreement with the experimental observations of Turpin and Huntington.
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