Nonlinear mass transfer and hydrodynamic stability in solubility phenomena

Author:

Bojadjiev Chr.1

Affiliation:

1. 1Institute of Chemical Engineering, Bulgarian Academy of Sciences, Acad. G. Bontchev Str., Bl.103, 1113 Sofia, Bulgaria

Abstract

The dissolution of gases, liquids,or solids in liquids is a heterogeneous reaction, and in many cases, the reaction rate is limited by a diffusive transfer of substance in the boundary layer at the face interphase. In modern industry, intensive interphase mass transfer processes are accomplished by large concentration gradients. This can result in a set of nonlinear effects and the difference between experimental data and predictions of the linear mass transfer theory. One of the main nonlinear effects is a result of the induction of a secondary flow at the interface boundary. This can lead to essential changes of the dissolution rate and the hydrodynamic stability of the system.

Publisher

Walter de Gruyter GmbH

Subject

General Chemical Engineering,General Chemistry

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