Turbulent circulation in bubble columns

This paper presents a new approach to modeling the circulation in turbulent gas-liquid bubble columns, where gas is bubbled through a distributor into a volume of liquid to achieve interphase mass transfer. In the most common type of circulation, called gulfstreaming, liquid carrying a high concentr...

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Bibliographic Details
Published in:AIChE journal 1987-04, Vol.33 (3), p.515-518
Main Authors: Clark, N. N., Atkinson, C. M., Flemmer, R. L. C.
Format: Article
Language:English
Subjects:
Applied sciences
bubbles
Chemical engineering
columns
Exact sciences and technology
Hydrodynamics of contact apparatus
mass transfer
turbulence
two phase flow
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Summary:This paper presents a new approach to modeling the circulation in turbulent gas-liquid bubble columns, where gas is bubbled through a distributor into a volume of liquid to achieve interphase mass transfer. In the most common type of circulation, called gulfstreaming, liquid carrying a high concentration of the gas bubbles rises upward near the center of the vessel. Liquid carrying fewer bubbles flows back downward near the walls of the vessel. The central gulfstream serves to carry gas through the column more rapidly than if the gas rose as ideal bubbles evenly distributed across the column diameter, and alters the efficiency of the column as a reactor.
ISSN:0001-1541
1547-5905
DOI:10.1002/aic.690330321