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Kinetic study of thermal decomposition of dolomite by controlled transformation rate thermal analysis (CRTA) and TG

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Abstract

The mechanism of the thermal decomposition of dolomite was studied. It was shown that a comparison of the kinetic data obtained from the kinetic analysis of a single TG trace and a single curve recorded using the constant rate thermal analysis (CRTA) method allows discrimination of the actual kinetic model obeyed by the reaction and also determination of its corresponding kinetic parameters.

Zusammenfassung

Es wurde der Mechanismus der thermischen Zersetzung von Dolomit untersucht. Es wurde gezeigt, daß ein Vergleich der kinetischen Angaben aus einer kinetischen Analyse eines einfachen TG-Durchlaufes und einer mittels CRTA einmal registrierten Kurve die Unterscheidung desjenigen kinetischen Modelles ermöglicht, dem die Reaktion gerade unterliegt und außerdem die Bestimmung der zugehörigen kinetischen Parameter ermöglicht.

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Authors and Affiliations

  1. Instttuto de Ciencias de Materiales, C. S. I. C., Universidad de Sevilla, 41071, Sevilla, Spain

    J. M. Criado & A. Ortega

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  1. J. M. Criado
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  2. A. Ortega
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Criado, J.M., Ortega, A. Kinetic study of thermal decomposition of dolomite by controlled transformation rate thermal analysis (CRTA) and TG. Journal of Thermal Analysis 37, 2369–2375 (1991). https://doi.org/10.1007/BF01913737

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  • DOI: https://doi.org/10.1007/BF01913737

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