Determination of distributed activation energy model kinetic parameters using simulated annealing optimization method for nonisothermal pyrolysis of lignin / Thilakavathi Mani in Industrial & engineering chemistry research, Vol. 48 N°3 (Février 2009)  

Public ISBD [article]  inIndustrial & engineering chemistry research > Vol. 48 N°3 (Février 2009) . - p. 1464–1467 Titre : Determination of distributed activation energy model kinetic parameters using simulated annealing optimization method for nonisothermal pyrolysis of lignin Type de document : texte imprimé Auteurs : Thilakavathi Mani, Auteur ; Pulikesi Murugan, Auteur ; Nader Mahinpey, Auteur Année de publication : 2009 Article en page(s) : p. 1464–1467 Note générale : Chemical engineering Langues : Anglais (eng) Mots-clés : Energy model -- distribution kinetic Résumé : The distributed activation energy model (DAEM) has been shown to be more descriptive of the pyrolysis reaction than other applicable models. In this study, the temperature dependency of the preexponential factor has been included in the DAEM. The model equation has been solved using Simpson’s 1/3 rule, and the kinetic parameters were determined using an optimization method. Simulated annealing method has been used to determine the DAEM kinetic parameters for the nonisothermal pyrolysis of lignin using thermogravimetric analysis (TGA) data. The nonisothermal pyrolysis of lignin was conducted at three different heating rates of 5, 10, and 15 °C/min under nitrogen atmosphere. Predicted results from the optimum kinetic parameters have been compared with the experimental data. The DAEM equation predicts the experimental data very well for different heating rates. En ligne : http://pubs.acs.org/doi/abs/10.1021/ie8013605 [article] Determination of distributed activation energy model kinetic parameters using simulated annealing optimization method for nonisothermal pyrolysis of lignin [texte imprimé] / Thilakavathi Mani, Auteur ; Pulikesi Murugan, Auteur ; Nader Mahinpey, Auteur . - 2009 . - p. 1464–1467. Chemical engineering Langues : Anglais (eng) in Industrial & engineering chemistry research > Vol. 48 N°3 (Février 2009) . - p. 1464–1467 Mots-clés : Energy model -- distribution kinetic Résumé : The distributed activation energy model (DAEM) has been shown to be more descriptive of the pyrolysis reaction than other applicable models. In this study, the temperature dependency of the preexponential factor has been included in the DAEM. The model equation has been solved using Simpson’s 1/3 rule, and the kinetic parameters were determined using an optimization method. Simulated annealing method has been used to determine the DAEM kinetic parameters for the nonisothermal pyrolysis of lignin using thermogravimetric analysis (TGA) data. The nonisothermal pyrolysis of lignin was conducted at three different heating rates of 5, 10, and 15 °C/min under nitrogen atmosphere. Predicted results from the optimum kinetic parameters have been compared with the experimental data. The DAEM equation predicts the experimental data very well for different heating rates. En ligne : http://pubs.acs.org/doi/abs/10.1021/ie8013605

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