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Authors: A. Pétrissans 1 ; M. Chaouch 1 ; P. Gérardin 1 ; M. Pétrissans 1 and R. Younsi 2

Affiliations: 1 Université Nancy I, France ; 2 École Polytechnique de Montréal, Canada

Keyword(s): Heat treatment, Modelling, Reaction kinetics, Thermo-degradation, Wood.

Related Ontology Subjects/Areas/Topics: Conceptual Modeling ; Formal Methods ; Simulation and Modeling

Abstract: Torrefaction is a thermal treatment step in a relatively low temperature range of 210–240˚C, which aims to improve the dimensional stability and durability of wood. The weight loss kinetics for torrefaction of wood samples was studied using equipment specially conceived to measure mass losses during thermal treatment. Laboratory experiments were performed under nitrogen for heating rates of 1˚C.min-1. A mathematical model for the kinetics of the thermodegradation process was used and validated. Measurements of temperature distribution and anhydrous weight loss were performed on dry sample of poplar wood during pyrolysis in an inert atmosphere at 230°C. The mathematical formulation describing the simultaneous heat and mass transfers requires coupled nonlinear partial differential equations. These unsteady-state mathematical model equations were solved numerically by the commercial package FEMLAB. A detailed discussion of the computational model and the solution algorithm is given. Onc e the validity of different assumptions of the model had been analyzed, the experimental results were compared with those calculated by the model. Acceptable agreement was achieved. (More)

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Paper citation in several formats:
Pétrissans, A.; Chaouch, M.; Gérardin, P.; Pétrissans, M. and Younsi, R. (2011). KINETICS MODELING OF WOOD TORREFACTION - Weight Loss Kinetics. In Proceedings of 1st International Conference on Simulation and Modeling Methodologies, Technologies and Applications - SIMULTECH; ISBN 978-989-8425-78-2; ISSN 2184-2841, SciTePress, pages 116-121. DOI: 10.5220/0003578101160121

@conference{simultech11,
author={A. Pétrissans. and M. Chaouch. and P. Gérardin. and M. Pétrissans. and R. Younsi.},
title={KINETICS MODELING OF WOOD TORREFACTION - Weight Loss Kinetics},
booktitle={Proceedings of 1st International Conference on Simulation and Modeling Methodologies, Technologies and Applications - SIMULTECH},
year={2011},
pages={116-121},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0003578101160121},
isbn={978-989-8425-78-2},
issn={2184-2841},
}

TY - CONF

JO - Proceedings of 1st International Conference on Simulation and Modeling Methodologies, Technologies and Applications - SIMULTECH
TI - KINETICS MODELING OF WOOD TORREFACTION - Weight Loss Kinetics
SN - 978-989-8425-78-2
IS - 2184-2841
AU - Pétrissans, A.
AU - Chaouch, M.
AU - Gérardin, P.
AU - Pétrissans, M.
AU - Younsi, R.
PY - 2011
SP - 116
EP - 121
DO - 10.5220/0003578101160121
PB - SciTePress

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