Publication: Pyrolysis and combustion kinetic study and complementary study of ash fusibility behavior of sugarcane bagasse, sugarcane straw, and their pellets-case study of agro-industrial residues
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2019-04-01
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American Chemical Society
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Abstract
Pyrolysis and combustion kinetics of sugarcane bagasse and straw was analyzed using thermogravimetric measurements and applying the DAEM. The kinetic parameters of pyrolysis and combustion reactions were determined, obtaining pyrolysis activation energies of approximately 175 kJ/mol for bagasse and 200 kJ/mol for straw. The combustion activation energies ranged from 162.3 to 282.7 kJ/mol for bagasse and from 130.7 to 292.0 kJ/mol for the straw. The ash melting temperature of both sugarcane residues was also measured. The fluid temperature values found were 1396 and 1352 degrees C for bagasse and straw, respectively. The analyses were performed for raw material and milled pellets of sugarcane bagasse and straw, obtaining slightly lower values of the kinetic parameters for the milled pellets and negligible differences for the ash melting temperatures.
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This document is the Accepted Manuscript version of a Published Work that appeared in final form in “Energy and Fuels”, copyright © 2018 American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see “Pyrolysis and Combustion Kinetic Study and Complementary Study of Ash Fusibility Behavior of Sugarcane Bagasse, Sugarcane Straw, and Their Pellets—Case Study of Agro-Industrial Residues. Kelly Roberta de Palma, Nestor García-Hernando, Maria Aparecida Silva, Edson Tomaz, and Antonio Soria-Verdugo. Energy Fuels 2019, 33, 4, 3227–3238
Keywords
Activation-Energy Model, Steam Explosion Pretreatment, Thermal-Decomposition, Biomass, Temperature, Mechanisms, Microalgae, Scale, Thermogravimetry, Degradation
Bibliographic citation
de Palma, Kelly Roberta, Garcia-Hernando, Nestor, Silva, Maria Aparecida, Tomaz, Edson, Soria-Verdugo, Antonio. (2019). Pyrolysis and Combustion Kinetic Study and Complementary Study of Ash Fusibility Behavior of Sugarcane Bagasse, Sugarcane Straw, and Their Pellets-Case Study of Agro-Industrial Residues. Energy Fuels, 33, (4), 3227–3238. https://doi.org/10.1021/acs.energyfuels.8b04288