Effect of thermal treatment variables on the thermogravimetric properties of eucalypt wood

Abstract: Thermal treatments have the effect of reducing the hygroscopicity and improving the resistance to microbiological attack of wood by the degradation of its chemical constituents. During the treatments, the mass of the wood is reduced, a factor that can affect the quality of the materials ac...

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Autores principales:	Soratto,Déborah Nava, Silva,Carlos Miguel Simões da, Vital,Benedito Rocha, Carneiro,Angélica de Cássia Oliveira, Bianche,Juliana Jerásio, Boschetti,Walter Torezani Neto, Freitas,Thaís Pereira, Ferreira,Juliana Ceccato
Lenguaje:	English
Publicado:	Universidad del Bío-Bío 2020
Materias:	Eucalyptus grandis chemical composition mass loss thermally treated wood thermogravimetric analysis.
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-221X2020000200241
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spelling	oai:scielo:S0718-221X20200002002412020-05-08Effect of thermal treatment variables on the thermogravimetric properties of eucalypt woodSoratto,Déborah NavaSilva,Carlos Miguel Simões daVital,Benedito RochaCarneiro,Angélica de Cássia OliveiraBianche,Juliana JerásioBoschetti,Walter Torezani NetoFreitas,Thaís PereiraFerreira,Juliana Ceccato Eucalyptus grandis chemical composition mass loss thermally treated wood thermogravimetric analysis. Abstract: Thermal treatments have the effect of reducing the hygroscopicity and improving the resistance to microbiological attack of wood by the degradation of its chemical constituents. During the treatments, the mass of the wood is reduced, a factor that can affect the quality of the materials according to their use. The objective was to verify the effect of the thermal treatment variables on the thermogravimetric properties and the chemical composition of Eucalyptus grandis. The treatments were carried out in a vacuum oven with three atmosphere conditions - vacuum; N2; vacuum+N2 at temperatures of 140, 180 and 220 °C for 6 hours. It was observed that the mass loss during treatments differed only according to the temperatures used. The extractive content, total lignin and holocellulose presented significant changes only at 220°C in all three atmospheres. In the thermogravimetric analysis, the greatest value of residual mass was found in the treatment that used nitrogen and 220 °C, thus demonstrating that this treatment was more invasive, leading to the conclusion that the vacuum application can help to reduce the degradation of the constituents of the eucalypt wood. Wood, which can lead to the production of thermally treated wood without great losses in the mechanical properties.info:eu-repo/semantics/openAccessUniversidad del Bío-BíoMaderas. Ciencia y tecnología v.22 n.2 20202020-04-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-221X2020000200241en10.4067/S0718-221X2020005000210
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Eucalyptus grandis chemical composition mass loss thermally treated wood thermogravimetric analysis.
spellingShingle	Eucalyptus grandis chemical composition mass loss thermally treated wood thermogravimetric analysis. Soratto,Déborah Nava Silva,Carlos Miguel Simões da Vital,Benedito Rocha Carneiro,Angélica de Cássia Oliveira Bianche,Juliana Jerásio Boschetti,Walter Torezani Neto Freitas,Thaís Pereira Ferreira,Juliana Ceccato Effect of thermal treatment variables on the thermogravimetric properties of eucalypt wood
description	Abstract: Thermal treatments have the effect of reducing the hygroscopicity and improving the resistance to microbiological attack of wood by the degradation of its chemical constituents. During the treatments, the mass of the wood is reduced, a factor that can affect the quality of the materials according to their use. The objective was to verify the effect of the thermal treatment variables on the thermogravimetric properties and the chemical composition of Eucalyptus grandis. The treatments were carried out in a vacuum oven with three atmosphere conditions - vacuum; N2; vacuum+N2 at temperatures of 140, 180 and 220 °C for 6 hours. It was observed that the mass loss during treatments differed only according to the temperatures used. The extractive content, total lignin and holocellulose presented significant changes only at 220°C in all three atmospheres. In the thermogravimetric analysis, the greatest value of residual mass was found in the treatment that used nitrogen and 220 °C, thus demonstrating that this treatment was more invasive, leading to the conclusion that the vacuum application can help to reduce the degradation of the constituents of the eucalypt wood. Wood, which can lead to the production of thermally treated wood without great losses in the mechanical properties.
author	Soratto,Déborah Nava Silva,Carlos Miguel Simões da Vital,Benedito Rocha Carneiro,Angélica de Cássia Oliveira Bianche,Juliana Jerásio Boschetti,Walter Torezani Neto Freitas,Thaís Pereira Ferreira,Juliana Ceccato
author_facet	Soratto,Déborah Nava Silva,Carlos Miguel Simões da Vital,Benedito Rocha Carneiro,Angélica de Cássia Oliveira Bianche,Juliana Jerásio Boschetti,Walter Torezani Neto Freitas,Thaís Pereira Ferreira,Juliana Ceccato
author_sort	Soratto,Déborah Nava
title	Effect of thermal treatment variables on the thermogravimetric properties of eucalypt wood
title_short	Effect of thermal treatment variables on the thermogravimetric properties of eucalypt wood
title_full	Effect of thermal treatment variables on the thermogravimetric properties of eucalypt wood
title_fullStr	Effect of thermal treatment variables on the thermogravimetric properties of eucalypt wood
title_full_unstemmed	Effect of thermal treatment variables on the thermogravimetric properties of eucalypt wood
title_sort	effect of thermal treatment variables on the thermogravimetric properties of eucalypt wood
publisher	Universidad del Bío-Bío
publishDate	2020
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-221X2020000200241
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_version_	1714202688784171008

Effect of thermal treatment variables on the thermogravimetric properties of eucalypt wood

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