Abstract
The fundamental characteristics of interfacial turbulence in gas-liquid mass transfer were studied by desorbing six surface-active solutes from their aqueous solutions in a liquidjet column and a wetted-wall column, and calculating the liquid-phase mass transfer coefficient from the observed transfer rate using oxygen as a tracer. The enhancement factor R and the Marangoni number Ma were correlated by the general equation R = (Ma/Ma /SUB c/) /SUP n/, where n is a constant equal to 0.4 + 0.1. A graphical method for determining the critical Marangoni number Ma /SUB c/ is proposed.
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