Thermogravimetric characteristics, its relation with extractives and chemical properties and combustion characteristics of ten fast-growth species in Costa Rica

•It was determined thermogravimetric and burning behavior of 10 species.•The relationship between TGA parameters with chemical and extractives was established.•Three species presents the highest thermal stability and combustion stages poorly defined.•Three species have a lower thermal stability and...

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Bibliographic Details
Published in:Thermochimica acta 2013-07, Vol.563, p.12-21
Main Authors: Tenorio, Carolina, Moya, Róger
Format: Article
Language:eng ; dut
Subjects:
Acacia mangium
Acceptability
Alnus acuminata
Burned
Chemical properties
Combustion
Cupressus lusitanica
energy
Extractives
Gmelina arborea
Moisture content
Pachira quinata
plantations
reforestation
Residues
Tectona grandis
Terminalia
Terminalia amazonia
Terminalia oblonga
Thermal degradation
Thermal stability
thermogravimetry
Tropics
Vochysia guatemalensis
water content
wood
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Summary:•It was determined thermogravimetric and burning behavior of 10 species.•The relationship between TGA parameters with chemical and extractives was established.•Three species presents the highest thermal stability and combustion stages poorly defined.•Three species have a lower thermal stability and well-defined stages in combustion.•Extractives and chemical compositions presented influence on thermogravimetric behavior. Residues from fast-growth plantations in the tropics have recently become important for energy production. However there is not yet enough information on their combustion and thermal degradation characteristics. The present study aims to determine the behavior of the different parameters of thermogravimetric analysis (TGA) for 10 species of reforestation. The relationship between TGA parameters with chemical and extractives was established too. Also it is identified the different parts of the combustion process at different moisture contents for these species. The results indicate that Bombacopsis quinata, Vochysia guatemalensis and Gmelina arborea are species with the highest thermal stability and they presents combustion stages poorly defined, making them less suitable for a combustion process. By contrast, Tectona grandis, Sweitenia macrophylla and Cupressus lusitanica have a lower thermal stability, but a combustion process with well-defined stages, which makes them more suitable species in combustion processes. Acacia mangium, Terminalia amazonia, Alnus acuminata and Terminalia oblonga showed combustion parameters easily identifiable and moderate thermal stability, considering as acceptable combustion properties. Extractives and chemical compositions presented little influence on the process of combustion and thermal stability of wood. However, moisture content was the greatest influence on the process of combustion and thermal stability.
ISSN:0040-6031
1872-762X
DOI:10.1016/j.tca.2013.04.005