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Registro Completo |
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Biblioteca(s): |
Embrapa Florestas. |
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Data corrente: |
19/07/2010 |
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Data da última atualização: |
22/03/2011 |
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Autoria: |
RODRIGUES, T. O.; ROUSSET, P. L. A. |
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Afiliação: |
Thiago Oliveira Rodrigues; Patrick Louis Albert Rousset. |
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Título: |
Effects of torrefaction on energy properties of Eucalyptus grandis wood. |
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Ano de publicação: |
2009 |
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Fonte/Imprenta: |
Cerne, Lavras. v. 15, n.4, p. 446-452, out./dez. 2009. |
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Idioma: |
Inglês |
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Conteúdo: |
Torrefaction is a thermal treatment that promotes homogenization and improvement of energy properties of biomass.
This study aims to evaluate the effects of torrefaction on the main energy properties of Eucalyptus grandis wood. Wood was torrefied
at three distinct temperatures (220°C, 250°C and 280°C) and analyzed for gravimetric yield (ratio of dry wood mass to torrefied
wood mass), bulk density (ratio of dry torrefied mass to dry torrefied volume), heating value (higher HHV, lower LHV and useful
UHV), energy density (ratio of heating value to bulk density) and energy yield (product of gravimetric yield and ratio of HHV of
torrefied wood to HHV of feedstock). The obtained results revealed significant differences for all properties being analyzed except for
bulk density, which showed no statistical difference between the control and the treatment at 220°C. Temperature 250°C generated
the best energy density as a function of the increase in heating value and the slight decrease in bulk density. |
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Palavras-Chave: |
Heating value; Thermal treatment. |
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Thesaurus Nal: |
density; energy. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01512naa a2200181 a 4500
001 1858064
005 2011-03-22
008 2009 bl uuuu u00u1 u #d
100 1 $aRODRIGUES, T. O.
245 $aEffects of torrefaction on energy properties of Eucalyptus grandis wood.
260 $c2009
520 $aTorrefaction is a thermal treatment that promotes homogenization and improvement of energy properties of biomass. This study aims to evaluate the effects of torrefaction on the main energy properties of Eucalyptus grandis wood. Wood was torrefied at three distinct temperatures (220°C, 250°C and 280°C) and analyzed for gravimetric yield (ratio of dry wood mass to torrefied wood mass), bulk density (ratio of dry torrefied mass to dry torrefied volume), heating value (higher HHV, lower LHV and useful UHV), energy density (ratio of heating value to bulk density) and energy yield (product of gravimetric yield and ratio of HHV of torrefied wood to HHV of feedstock). The obtained results revealed significant differences for all properties being analyzed except for bulk density, which showed no statistical difference between the control and the treatment at 220°C. Temperature 250°C generated the best energy density as a function of the increase in heating value and the slight decrease in bulk density.
650 $adensity
650 $aenergy
653 $aHeating value
653 $aThermal treatment
700 1 $aROUSSET, P. L. A.
773 $tCerne, Lavras.$gv. 15, n.4, p. 446-452, out./dez. 2009.
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Embrapa Florestas (CNPF) |
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