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A study of the effect of heat on kaolinite by adsorption methods

Published online by Cambridge University Press:  14 March 2018

M. J. Brown  and
S. J. Gregg
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Extract

Both kaolinite and its thermal decomposition products are to be regarded as “active” solids in that they have a fairly large specific surface area, of the order of 10 square metres per gram. It was therefore thought worth while to apply some of the procedures which proved useful in the investigation of other surface active solids, to the problem of the dehydration of kaolinite. The techniques chosen were: (a) the resorption of water by the dehydration product; (b) the sorption isotherm of a vapour (carbon tetrachloride) on the dehydration product, in order to estimate its surface area; (c) the apparent density of the product in a suitable, inert, immersing liquid; (d) X-ray examination of the product (through the kindness of Dr Clark and Mr Parker of English Clays Lovering Pochin Ltd.).

Type
Research Article
Information
Clay Minerals Bulletin , Volume 1 , Issue 7 , June 1952 , pp. 228 - 235
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1952

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References

Gregg, S. J. 1946. J.C.S., 561.Google Scholar
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Grim, Cf. and Bradley, , 1948. Am. Min., 50.Google Scholar
Hüttig, G. F., 1942. Koll. -Z., 97, 281 (1941); 98, 6, 263.Google Scholar