Kinetics of mixed-bed deionization: I
Article first published online: 17 JUN 2004
Copyright © 1960 American Institute of Chemical Engineers
Volume 6, Issue 4, pages 640–647, December 1960
How to Cite
Frisch, N. W. and Kunin, R. (1960), Kinetics of mixed-bed deionization: I. AIChE J., 6: 640–647. doi: 10.1002/aic.690060426
- Issue published online: 17 JUN 2004
- Article first published online: 17 JUN 2004
- Manuscript Accepted: 19 FEB 1960
- Manuscript Revised: 11 FEB 1960
- Manuscript Received: 3 AUG 1959
Mixed-bed deionization of 0.0002 to 0.01N sodium chloride solutions at flow rates in the range of 3 to 70 gal./(min.) (sq. ft.) with bed depths of 0.25 to 3.2 ft. was investigated. The rate of ion exchange was found to be limited by a liquid-film mass transfer mechanism in the high purity water range (< 1 μ micromho/cm. effluent conductivity).
The magnitude of the temperature effect in the range 15° to 45°C. is given. Methods for prediction of effect of both changes in particle size distribution and incomplete regeneration of the component ion exchange resins are presented. A tentative correlation is given which estimates the effect of solute and solvent species.