JOURNAL OF CHEMICAL ENGINEERING OF JAPAN
Print ISSN : 0021-9592
Transport Phenomena, Fluid Mechanics and Mixing
Effect of Temperature on Permeation of Air through Thin Liquid Films
Pallab GhoshVinay Anant Juvekar
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2003 Volume 36 Issue 6 Pages 711-715

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Abstract

In this work, permeation of air through immobile surfactant monolayers has been studied by measuring the rate of shrinkage of an air bubble pressed to the horizontal air–water interface by gravity. The thin liquid film has been made of an ionic surfactant and an inorganic electrolyte. With an increase in temperature, the rate of permeation has been found to increase. A model has been developed to describe the rate of reduction in the size of the bubble with time. The model fits to the experimental data well. From the variation of the permeability constant with temperature, the validity of the energy barrier theory for gas permeation has been examined.

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© 2003 The Society of Chemical Engineers, Japan
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