Abstract
A semiempirical model of mass transfer accompanied by interfacial turbulence is proposed which accounts for the linear dependence of the mass transfer coefficients on the driving force under interfacial turbulence conditions. Power correlations are also discussed in the framework of the model, and it is shown that different types of correlation are caused by different types of Marangoni convection: chaotically pulsating cells and spatially ordered ones. The model proposed enables one to explain and to describe quantitatively the following experimentally found kinetic regularities of mass transfer under interfacial turbulence: time dependence of mass transfer coefficients in stirred systems; enhancement of the transfer of a tracer component; effect of the solute concentration and phase resistances ratio on mass transfer rates.
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