Abstract

Mass transfer characteristics of a multistage vibrating disk column are studied for the extraction of methyl isobutyl ketone-acetic acid-water system. The disk vibration definitely increases the mass transfer rate, and in the high vibration range the over-all mass transfer capacity coefficient becomes nearly three times that in the absence of disk vibration. The increase in mass transfer rate by disk vibration is mainly caused by the increase in dispersed-phase holdup and the decrease in droplet size, and the resulting remarkable increase in interfacial area.

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