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Type: Artigo de periódico
Title: Model-free kinetics applied to sugarcane bagasse combustion
Author: Ramajo-Escalera, B
Espina, A
Garcia, JR
Sosa-Arnao, JH
Nebra, SA
Abstract: Vyazovkin's model-free kinetic algorithms were applied to determine conversion, isoconversion and apparent activation energy to both dehydration and combustion of sugarcane bagasse. Three different steps were detected with apparent activation energies of 76.1 +/- 1.7, 333.3 +/- 15.0 and 220.1 +/- 4.0 kJ/mol in the conversion range of 2-5%, 15-60% and 70-90%, respectively. The first step is associated with the endothermic process of drying and release of water. The others correspond to the combustion (and carbonization) of organic matter (mainly cellulose, hemicellulose and lignin) and the combustion of the products of pyrolysis. (c) 2006 Elsevier B.V. All rights reserved.
Subject: thermal analysis
model-free kinetics
sugarcane bagasse
Country: Holanda
Editor: Elsevier Science Bv
Rights: fechado
Identifier DOI: 10.1016/j.tca.2006.07.001
Date Issue: 2006
Appears in Collections:Unicamp - Artigos e Outros Documentos

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