Laminar liquid jet diffusion studies
Article first published online: 17 JUN 2004
Copyright © 1968 American Institute of Chemical Engineers
Volume 14, Issue 2, pages 286–294, March 1968
How to Cite
Duda, J. L. and Vrentas, J. S. (1968), Laminar liquid jet diffusion studies. AIChE J., 14: 286–294. doi: 10.1002/aic.690140215
- Issue published online: 17 JUN 2004
- Article first published online: 17 JUN 2004
- Manuscript Accepted: 17 JUL 1967
- Manuscript Revised: 13 JUL 1967
- Manuscript Received: 28 MAR 1967
A rigorous analysis of jet hydrodynamics is used to develop a technique for determining diffusion coefficients from laminar liquid jet absorption experiments, and the influence of the jet fluid mechanics on the absorption process is clarified. The new technique is used to determine the diffusivities of carbon dioxide, oxygen, argon, nitrous oxide, ethylene, and propylene in water within the temperature range 25° to 40°C.
A critical analysis of available diffusivity data for these gases indicates that there is no conclusive evidence that demonstrates the existence of a significant interfacial resistance in uncontaminated laminar jet experiments. In addition, comparison of existing data shows that the commonly accepted diffusivities for the oxygen-water system may be significantly higher than the actual values. It is concluded that the laminar jet experiment is a rapid, accurate method of obtaining diffusion coefficients of dissolved gases in liquids.