Abstract

A method based on the use of the two temperatures of the inflection determined on a single derivative differential thermal analysis (DDTA) curve and of the temperature of the extremum determined on the differential thermal analysis (DTA) curve is proposed for computing the activation energy and the order of reaction of a chemical process. The obtained formulae do not contain the heating rate. If the conversion degree corresponding to the three temperatures required by the formulae are known, the third kinetic parameter, A, may be also computed. The formulae are fitted to the reaction order model.

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