Published September 30, 1985
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Influence of Exchangeable Cations on DTA Characteristics of Kaolinite and Montmorillonite Clays
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Department of Chemical Technology, University of Calcutta, Calcutta-700 009
Manuscript received 28 August 1984, revised 7 May 1985, accepted 11 September 1985
The influence of exchangeable cations in the structure of kaolinite and montmorillonite minerals on the phase transformation on progressive heat treatment, has been studied through DTA curves. Hydration energy of the cations influences the expulsion of water from the clay lattice. The high temperature phase conversions were also influenced catalytically by exchangeable cations.
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