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Kinetic study on thermal decomposition of woods in oxidative environment

Shen, DK, Gu, S, Luo, KH, Bridgwater, AV and Fang, MX (2008) Kinetic study on thermal decomposition of woods in oxidative environment Fuel, 88 (6, Jun). pp. 1024-1030.

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Abstract

The purpose of this work is to gain knowledge on kinetics of biomass decomposition under oxidative atmospheres, mainly examining effect of heating rate on different biomass species. Two sets of experiments are carried out: the first set of experiments is thermal decomposition of four different wood particles, namely aspens, birch, oak and pine under an oxidative atmosphere and analysis with TGA; and the second set is to use large size samples of wood under different heat fluxes in a purpose-built furnace, where the temperature distribution, mass loss and ignition characteristics are recorded and analyzed by a data post-processing system. The experimental data is then used to develop a two-step reactions kinetic scheme with low and high temperature regions while the activation energy for the reactions of the species under different heating rates is calculated. It is found that the activation energy of the second stage reaction for the species with similar constituent fractions tends to converge to a similar value under the high heating rate.

Item Type: Article
Authors :
NameEmailORCID
Shen, DKUNSPECIFIEDUNSPECIFIED
Gu, Ssai.gu@surrey.ac.ukUNSPECIFIED
Luo, KHUNSPECIFIEDUNSPECIFIED
Bridgwater, AVUNSPECIFIEDUNSPECIFIED
Fang, MXUNSPECIFIEDUNSPECIFIED
Date : 17 November 2008
Funders : UK Department for Innovation Universities and Skills (DIUS)
Identification Number : 10.1016/j.fuel.2008.10.034
Grant Title : ICUK Proof of Concept award, UK–China Fellowships for Excellence Award
Copyright Disclaimer : Copyright © 2016 Elsevier B.V. or its licensors or contributors.
Uncontrolled Keywords : Thermal decomposition, Biomass, Hemi-cellulose, Cellulose, Kinetics
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 13:51
Last Modified : 17 May 2017 15:13
URI: http://epubs.surrey.ac.uk/id/eprint/840583

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