Effect of the Brazilian thermal modification process on the chemical composition of Eucalyptus grandis juvenile wood: Part 2: Solubility and ash content

This article reports continuation of a study of the influence of the Brazilian process of thermal modification called VAP HolzSysteme® on the chemical composition of Eucalyptus wood. Flatsawn boards of Eucalyptus grandis juvenile wood were tested for four treatment levels: untreated, and thermally m...

Descripción completa

Guardado en:

Detalles Bibliográficos
Autores principales:	Batista,Djeison Cesar, Bolzón de Muñiz,Graciela Ines, da Silva Oliveira,José Tarcísio, Paes,Juarez Benigno, Nisgoski,Silvana
Lenguaje:	English
Publicado:	Universidad del Bío-Bío 2016
Materias:	VAP HolzSysteme® 1% NaOH solubility ash content
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-221X2016000200006
Etiquetas:	Agregar Etiqueta Sin Etiquetas, Sea el primero en etiquetar este registro!

id	oai:scielo:S0718-221X2016000200006
record_format	dspace
spelling	oai:scielo:S0718-221X20160002000062016-05-13Effect of the Brazilian thermal modification process on the chemical composition of Eucalyptus grandis juvenile wood: Part 2: Solubility and ash contentBatista,Djeison CesarBolzón de Muñiz,Graciela Inesda Silva Oliveira,José TarcísioPaes,Juarez BenignoNisgoski,Silvana VAP HolzSysteme® 1% NaOH solubility ash content This article reports continuation of a study of the influence of the Brazilian process of thermal modification called VAP HolzSysteme® on the chemical composition of Eucalyptus wood. Flatsawn boards of Eucalyptus grandis juvenile wood were tested for four treatment levels: untreated, and thermally modified at final cycle temperatures of 140 °C, 160 °C or 180 °C. Chemical analyses were carried out according to the standards of the Technical Association of the Pulp and Paper Industry and encompassed 1% NaOH solubility and ash content. The 1% NaOH solubility increased in the wood thermally modified at 140 °C and 160 °C in relation to the untreated wood, but did not increase further 180 °C, indicating that the treatment at 180 °C was not enough to cause more degradation of hemicelluloses. In practice, the thermal modification process had no effect on the ash content of wood. The statistical difference observed between the treatment levels untreated and 160 °C (0,04 percentage points) can be attributed to the heterogeneity of wood as a material.info:eu-repo/semantics/openAccessUniversidad del Bío-BíoMaderas. Ciencia y tecnología v.18 n.2 20162016-04-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-221X2016000200006en10.4067/S0718-221X2016005000026
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	VAP HolzSysteme® 1% NaOH solubility ash content
spellingShingle	VAP HolzSysteme® 1% NaOH solubility ash content Batista,Djeison Cesar Bolzón de Muñiz,Graciela Ines da Silva Oliveira,José Tarcísio Paes,Juarez Benigno Nisgoski,Silvana Effect of the Brazilian thermal modification process on the chemical composition of Eucalyptus grandis juvenile wood: Part 2: Solubility and ash content
description	This article reports continuation of a study of the influence of the Brazilian process of thermal modification called VAP HolzSysteme® on the chemical composition of Eucalyptus wood. Flatsawn boards of Eucalyptus grandis juvenile wood were tested for four treatment levels: untreated, and thermally modified at final cycle temperatures of 140 °C, 160 °C or 180 °C. Chemical analyses were carried out according to the standards of the Technical Association of the Pulp and Paper Industry and encompassed 1% NaOH solubility and ash content. The 1% NaOH solubility increased in the wood thermally modified at 140 °C and 160 °C in relation to the untreated wood, but did not increase further 180 °C, indicating that the treatment at 180 °C was not enough to cause more degradation of hemicelluloses. In practice, the thermal modification process had no effect on the ash content of wood. The statistical difference observed between the treatment levels untreated and 160 °C (0,04 percentage points) can be attributed to the heterogeneity of wood as a material.
author	Batista,Djeison Cesar Bolzón de Muñiz,Graciela Ines da Silva Oliveira,José Tarcísio Paes,Juarez Benigno Nisgoski,Silvana
author_facet	Batista,Djeison Cesar Bolzón de Muñiz,Graciela Ines da Silva Oliveira,José Tarcísio Paes,Juarez Benigno Nisgoski,Silvana
author_sort	Batista,Djeison Cesar
title	Effect of the Brazilian thermal modification process on the chemical composition of Eucalyptus grandis juvenile wood: Part 2: Solubility and ash content
title_short	Effect of the Brazilian thermal modification process on the chemical composition of Eucalyptus grandis juvenile wood: Part 2: Solubility and ash content
title_full	Effect of the Brazilian thermal modification process on the chemical composition of Eucalyptus grandis juvenile wood: Part 2: Solubility and ash content
title_fullStr	Effect of the Brazilian thermal modification process on the chemical composition of Eucalyptus grandis juvenile wood: Part 2: Solubility and ash content
title_full_unstemmed	Effect of the Brazilian thermal modification process on the chemical composition of Eucalyptus grandis juvenile wood: Part 2: Solubility and ash content
title_sort	effect of the brazilian thermal modification process on the chemical composition of eucalyptus grandis juvenile wood: part 2: solubility and ash content
publisher	Universidad del Bío-Bío
publishDate	2016
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-221X2016000200006
work_keys_str_mv	AT batistadjeisoncesar effectofthebrazilianthermalmodificationprocessonthechemicalcompositionofeucalyptusgrandisjuvenilewoodpart2solubilityandashcontent AT bolzondemunizgracielaines effectofthebrazilianthermalmodificationprocessonthechemicalcompositionofeucalyptusgrandisjuvenilewoodpart2solubilityandashcontent AT dasilvaoliveirajosetarcisio effectofthebrazilianthermalmodificationprocessonthechemicalcompositionofeucalyptusgrandisjuvenilewoodpart2solubilityandashcontent AT paesjuarezbenigno effectofthebrazilianthermalmodificationprocessonthechemicalcompositionofeucalyptusgrandisjuvenilewoodpart2solubilityandashcontent AT nisgoskisilvana effectofthebrazilianthermalmodificationprocessonthechemicalcompositionofeucalyptusgrandisjuvenilewoodpart2solubilityandashcontent
_version_	1714202623129681920

Effect of the Brazilian thermal modification process on the chemical composition of Eucalyptus grandis juvenile wood: Part 2: Solubility and ash content

Ejemplares similares