Kinetic parameter estimation for decomposition of organic peroxides by means of DSC measurements

Autor: I. Ben Talouba, Laurent Balland, Nordine Mouhab, M.A. Abdelghani-Idrissi
Přispěvatelé: Laboratoire de Sécurité des Procédés Chimiques (LSPC), Université de Rouen Normandie (UNIROUEN), Normandie Université (NU)-Normandie Université (NU)-Institut national des sciences appliquées Rouen Normandie (INSA Rouen Normandie), Institut National des Sciences Appliquées (INSA)-Normandie Université (NU)-Institut National des Sciences Appliquées (INSA)
Rok vydání: 2011
Předmět:
Zdroj: Journal of Loss Prevention in the Process Industries
Journal of Loss Prevention in the Process Industries, Elsevier, 2011, 24 (4), pp.391-396. ⟨10.1016/j.jlp.2011.02.001⟩
ISSN: 0950-4230
DOI: 10.1016/j.jlp.2011.02.001
Popis: The thermal stability of organic peroxides (cumene hydroperoxide 80 wt% and dicumyl peroxide) was studied by means of calorimetric measurement (DSC, TA Q1000) in an isotherm mode and a dynamic mode. Analysis of power profiles released in the isothermal mode was combined with the analysis of the decomposed compounds by a gas chromatograph/mass spectrometer (GC/MS) to determine the reaction mechanisms corresponding to each of the two reactions. In this work, a methodology for estimating kinetic parameters was based on the comparison of the power profile (dynamic mode) given by the model to that obtained experimentally by changing the parameters values. Parameter estimation is achieved using the mixed estimation method where a genetic algorithm is combined with a locally convergent method.
Databáze: OpenAIRE