Abstract

A theoretical model is developed in order to predict the gas absorption rate during gas bubble formation and rise through a shallow liquid pool. The model takes a rather straightforward approach to the hydrodynamics of bubble formation and rise, allows for the general case of mass transfer with simultaneous mnth-order chemical reaction and includes a novel description of the age distribution of liquid elements at the gas—liquid interface. Model predictions are successfully verified with data from two typical industrially-important systems investigated in a laboratory foam column reactor.

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