Abstract
Experimental data on the volumetric liquid-phase mass transfer coefficient kLa in 10 and 19 cm I.D. bubble columns with single-nozzle gas spargers were obtained with several gases and various pure liquids or aqueous non-electrolyte solutions, and the effect of the physical properties of the gas and liquid on kLa was studied. A new dimensionless correlation for kLa was developed and is shown to correlate the experimental data with an average deviation of 2.5%. Data for absorption of oxygen from air into aqueous solutions of various electrolytes were also obtained and the effect of the presence of electrolyte on kLa was investigated.
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