Sorption of barium on kaolinite, montmorillonite and chlorite

Date
1989
Authors
Eylem, C.
Erten, H. N.
Göktürk, H.
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Source Title
The Analyst
Print ISSN
0003-2654
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Publisher
Royal Society of Chemistry
Volume
114
Issue
3
Pages
351 - 353
Language
English
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Abstract

The sorption characteristics of the Ba2+ ion on kaolinite, montmorillonite and chloritetype clays were studied using the batch method. Barium-133 was used as a tracer. The Ba2+ ion concentrations ranged from 10-8 to 10-5 mol l-1; synthetic groundwater was used and the grain size of all the solid particles was <40 μm. About 6, 8 and 12 d of shaking were necessary to reach equilibrium for chlorite, kaolinite and montmorillonite, respectively. The sorption isotherms were described best by Freundlich and Dubinin - Radushkevich type isotherms. Sorption was predominantly reversible for kaolinite and partly reversible for montmorillonite and chlorite.

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