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Model for SrCsCaMgNa ion-exchange uptake kinetics on chabazite

✍ Scribed by Susan M. Depaoli; Joseph J. Perona

Publisher
American Institute of Chemical Engineers
Year
1996
Tongue
English
Weight
638 KB
Volume
42
Category
Article
ISSN
0001-1541

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✦ Synopsis

Abstract

Many nuclear facilities throughout the world must separate strontium‐90 and cesium‐137 from natural waters containing calcium, magnesium, and sodium. Our research showed that chabazite, a zeolite with a hexagonal ring structure, is cost‐effective for this purpose. A batch kinetic uptake model for this five‐component ion‐exchange system was developed and tested against experimental data. The pore‐diffusion model of Yao and Tien is used with the equilibrium model of Perona. The resulting model is fast and stable, and represents the experimental data well.

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