Energy gains of Eucalyptus by torrefaction process

Abstract: The aim of this study was to evaluate the changes in the characteristics of Eucalyptus spp. from Paraíba Valley region, Sao Paulo - Brazil after torrification process. Torrification is a thermochemical process that occurs at temperatures lower than the pyrolysis process as a pretreatment t...

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Autores principales: Romão,Erica Leonor, Conte,Rosa Ana
Lenguaje:English
Publicado: Universidad del Bío-Bío 2021
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Acceso en línea:http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-221X2021000100403
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spelling oai:scielo:S0718-221X20210001004032021-05-30Energy gains of Eucalyptus by torrefaction processRomão,Erica LeonorConte,Rosa Ana Biomass biofuel Eucalyptus spp. thermogravimetric torrefaction. Abstract: The aim of this study was to evaluate the changes in the characteristics of Eucalyptus spp. from Paraíba Valley region, Sao Paulo - Brazil after torrification process. Torrification is a thermochemical process that occurs at temperatures lower than the pyrolysis process as a pretreatment to improve biomass characteristics for use as biofuel energy in power generation. An experimental study was carried out in a batch reactor at three temperatures (240 °C, 260 °C and 280 °C) with residence time of 30 and 60 minutes. At the indicated operating conditions by elemental analysis, higher heating value and thermogravimetric analysis were evaluated. Result showed that there was a reduction in the oxygen/carbon (O/C) and hydrogen/carbon (H/C) ratios, causing an increase in the thermal energy quality of torrified wood, about of 28 % and 47 % at temperatures of 260 °C with residence time of 60 minutes and 280 °C with 30 minutes, respectively. A thermogravimetric analysis showed that at 260 °C the hemicellulose was almost completely degraded leaving the fuel in better conditions for combustion or gasification processes.info:eu-repo/semantics/openAccessUniversidad del Bío-BíoMaderas. Ciencia y tecnología v.23 20212021-01-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-221X2021000100403en10.4067/s0718-221x2021000100403
institution Scielo Chile
collection Scielo Chile
language English
topic Biomass
biofuel
Eucalyptus spp.
thermogravimetric
torrefaction.
spellingShingle Biomass
biofuel
Eucalyptus spp.
thermogravimetric
torrefaction.
Romão,Erica Leonor
Conte,Rosa Ana
Energy gains of Eucalyptus by torrefaction process
description Abstract: The aim of this study was to evaluate the changes in the characteristics of Eucalyptus spp. from Paraíba Valley region, Sao Paulo - Brazil after torrification process. Torrification is a thermochemical process that occurs at temperatures lower than the pyrolysis process as a pretreatment to improve biomass characteristics for use as biofuel energy in power generation. An experimental study was carried out in a batch reactor at three temperatures (240 °C, 260 °C and 280 °C) with residence time of 30 and 60 minutes. At the indicated operating conditions by elemental analysis, higher heating value and thermogravimetric analysis were evaluated. Result showed that there was a reduction in the oxygen/carbon (O/C) and hydrogen/carbon (H/C) ratios, causing an increase in the thermal energy quality of torrified wood, about of 28 % and 47 % at temperatures of 260 °C with residence time of 60 minutes and 280 °C with 30 minutes, respectively. A thermogravimetric analysis showed that at 260 °C the hemicellulose was almost completely degraded leaving the fuel in better conditions for combustion or gasification processes.
author Romão,Erica Leonor
Conte,Rosa Ana
author_facet Romão,Erica Leonor
Conte,Rosa Ana
author_sort Romão,Erica Leonor
title Energy gains of Eucalyptus by torrefaction process
title_short Energy gains of Eucalyptus by torrefaction process
title_full Energy gains of Eucalyptus by torrefaction process
title_fullStr Energy gains of Eucalyptus by torrefaction process
title_full_unstemmed Energy gains of Eucalyptus by torrefaction process
title_sort energy gains of eucalyptus by torrefaction process
publisher Universidad del Bío-Bío
publishDate 2021
url http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-221X2021000100403
work_keys_str_mv AT romaoericaleonor energygainsofeucalyptusbytorrefactionprocess
AT conterosaana energygainsofeucalyptusbytorrefactionprocess
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