Abstract
Interfacial turbulence caused by both Rayleigh and Marangoni instablity in the physical absorption and desorption of carbon dioxide into and from nonaqueous solvents was studied experimently. Orderly roll and polygonal convection patterns in liquid films were observed using schlieren photography. Liquid mass-transfer coefficients were measured in a quiescent gasâliquid contactor and in a gasâliquid channel for stratified, laminar, and cocurrent flows, and the results were compared with values calculated by penetration theory. The measured data indicate that the mass-transfer rate is largely enhanced by interfacial turbulence. Correlations for liquid-phase mass-transfer enhancement factors were developed.
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