Publication Date:
2014-06-05
Description:
The Marangoni effect on the mass transfer coefficient of falling films was investigated on inclined stainless-steel plates to elucidate the influence on the mass transfer performance of structured packing surfaces. Desorption of ethanol from water generated the Marangoni effect in the liquid phase while the process of oxygen desorption from water was proceeded. The enhanced liquid phase mass transfer by the Marangoni effect was found to be related to the ethanol concentration in the liquid, inclination of the plate, and liquid flow condition. A generalized correlation was proposed to predict the effective enhancement factor of the system incorporated with the Marangoni effect. The role of the Marangoni effect in real mass transfer processes is not yet clearly understood. The Marangoni impact on the mass transfer coefficient of falling films was performed on differently inclined stainless-steel plates. The extent of enhancement was found to be related to the ethanol concentration in the liquid, inclination of the plate, and liquid flow condition.
Print ISSN:
0930-7516
Electronic ISSN:
1521-4125
Topics:
Chemistry and Pharmacology
,
Process Engineering, Biotechnology, Nutrition Technology
Permalink