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Forces Between Suspended Bentonite Particles Part II—Calcium Bentonite

Published online by Cambridge University Press:  01 January 2024

H. van Olphen*
Affiliation:
Shell Development Company, Houston, Texas, USA

Abstract

In a previous paper (van Olphen, 1956) data were presented for the rheological and sedimentation behavior of sodium bentonite suspensions in water. From these data particle interaction energies were derived. Analogous data have been collected for calcium bentonite suspensions. It was observed that more clay is required to obtain a gel or a certain sediment volume with calcium bentonite than with sodium bentonite. This result can be quantitatively interpreted on the basis of a larger average particle thickness in the calcium bentonite suspensions. It is furthermore concluded that the interparticle forces are of the same order in both calcium and sodium bentonite suspensions.

Type
Article
Copyright
Copyright © Clay Minerals Society 1957

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References

van Olphen, H. (1956) Forces between suspended bentonite particles, in Clays and Clay Minerals, Natl. Acad. Sci.—Natl. Res. Coun. pub. 456, pp. 204224.Google Scholar