Thermal degradation kinetics of sawdust under intermediate heating rates

© 2016 Elsevier Ltd. All rights reserved. In this work, thermal degradation behavior of sawdust under N 2 and O 2 environments were investigated to derive the kinetics parameters. Thermogravimetric analysis was carried out at various intermediate heating rates (140-200 °C/min). Kinetic parameters...

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Main Authors:	Jaroenkhasemmeesuk C., Tippayawong N.
Format:	Journal
Published:	2017
Online Access:	https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84964199193&origin=inward http://cmuir.cmu.ac.th/jspui/handle/6653943832/41797
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spelling	th-cmuir.6653943832-417972017-09-28T04:23:26Z Thermal degradation kinetics of sawdust under intermediate heating rates Jaroenkhasemmeesuk C. Tippayawong N. © 2016 Elsevier Ltd. All rights reserved. In this work, thermal degradation behavior of sawdust under N 2 and O 2 environments were investigated to derive the kinetics parameters. Thermogravimetric analysis was carried out at various intermediate heating rates (140-200 °C/min). Kinetic parameters were calculated using Kissinger-Akahira-Sunose and Flynn-Wall-Ozawa models. It was found that the activation energy of both pyrolysis and oxycombustion were different from previous studies. Higher heating rate affected not only the temperature at maximum weight loss, but also the apparent activation energy in any conversions of biomass due to pyrolysis and oxycombustion. Activation energy of sawdust pyrolysis appeared to peak around 40-50% conversions while oxycombustion did around 15-25%. The activation energy was found to be in the range between 35-110 kJ/mol and 35-129 kJ/mol for pyrolysis and oxycombustion, respectively. 2017-09-28T04:23:26Z 2017-09-28T04:23:26Z 2016-06-25 Journal 13594311 2-s2.0-84964199193 10.1016/j.applthermaleng.2015.08.114 https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84964199193&origin=inward http://cmuir.cmu.ac.th/jspui/handle/6653943832/41797
institution	Chiang Mai University
building	Chiang Mai University Library
country	Thailand
collection	CMU Intellectual Repository
description	© 2016 Elsevier Ltd. All rights reserved. In this work, thermal degradation behavior of sawdust under N 2 and O 2 environments were investigated to derive the kinetics parameters. Thermogravimetric analysis was carried out at various intermediate heating rates (140-200 °C/min). Kinetic parameters were calculated using Kissinger-Akahira-Sunose and Flynn-Wall-Ozawa models. It was found that the activation energy of both pyrolysis and oxycombustion were different from previous studies. Higher heating rate affected not only the temperature at maximum weight loss, but also the apparent activation energy in any conversions of biomass due to pyrolysis and oxycombustion. Activation energy of sawdust pyrolysis appeared to peak around 40-50% conversions while oxycombustion did around 15-25%. The activation energy was found to be in the range between 35-110 kJ/mol and 35-129 kJ/mol for pyrolysis and oxycombustion, respectively.
format	Journal
author	Jaroenkhasemmeesuk C. Tippayawong N.
spellingShingle	Jaroenkhasemmeesuk C. Tippayawong N. Thermal degradation kinetics of sawdust under intermediate heating rates
author_facet	Jaroenkhasemmeesuk C. Tippayawong N.
author_sort	Jaroenkhasemmeesuk C.
title	Thermal degradation kinetics of sawdust under intermediate heating rates
title_short	Thermal degradation kinetics of sawdust under intermediate heating rates
title_full	Thermal degradation kinetics of sawdust under intermediate heating rates
title_fullStr	Thermal degradation kinetics of sawdust under intermediate heating rates
title_full_unstemmed	Thermal degradation kinetics of sawdust under intermediate heating rates
title_sort	thermal degradation kinetics of sawdust under intermediate heating rates
publishDate	2017
url	https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84964199193&origin=inward http://cmuir.cmu.ac.th/jspui/handle/6653943832/41797
_version_	1681422068743143424

Thermal degradation kinetics of sawdust under intermediate heating rates

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