ISIJ International
Online ISSN : 1347-5460
Print ISSN : 0915-1559
ISSN-L : 0915-1559
Characteristics of Entrainment at Liquid/Liquid Interfaces due to Rising Bubbles
Georg ReiterKlaus Schwerdtfeger
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1992 Volume 32 Issue 1 Pages 57-65

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Abstract

The entrainment phenomena occurring at liquid/liquid interfaces during passage of single bubbles have been investigated using the systems water/cyclohexane, mercury/water, and mercury/silicon oil. Measurements were performed on the increase of the continuous interfacial area, the residence time of the bubble at the interface, the length of the liquid jet of the lower phase drawn upwards, the number and size of droplets of the lower phase in the upper phase, the residence time of the droplets and their velocity of fall. Dimensionless correlations were derived for some of these quantities, and some consideration is given of the application of the data in mass transfer models.

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