Kinetic and mechanism of the thermal degradation of a plywood by using thermogravimetry and Fourier-transformed infrared spectroscopy analysis in nitrogen and air atmosphere

Talal Fateh, T. Rogaume, J. Luche, F. Richard, F. Jabouille

    Research output: Contribution to journalArticle

    18 Citations (Scopus)

    Abstract

    The thermal degradation of plywood was investigated using thermogravimetric analysis (TGA) device. The TGA experiments were conducted between ambient temperature and 1000 °C for seven different heating rates: 5, 10, 15, 20, 30, 40 and 50 °C min-1. The experiments were realized under inert and air atmospheres in order to characterize the plywood thermal decomposition occurring during the pyrolysis and oxidative processes. Throughout all the tests, the gaseous emissions were continuously monitored using a Fourier transformed infra-red spectrometer (FTIR). The progress in the mass, the mass-loss rate (MLR) and gas emissions data allow to propose a mechanism of the thermal decomposition of plywood with six different stages. The reactions (stages) of this mechanism is of a rate represented by a modified Arrhenius law containing four unknown kinetic parameters (A, Ea, n and ν) for each reaction. These 24 unknown parameters are determined by using the inverse optimization method of the genetic algorithms. The model developed is validated regardless of the heating rate and atmosphere (inert or air) chosen. A very good agreement is obtained between the experimental and the numerical mass loss rate evolutions.
    LanguageEnglish
    Pages25-37
    JournalFire Safety Journal
    Volume58
    Early online date28 Feb 2013
    DOIs
    Publication statusPublished - 1 May 2013

    Fingerprint

    plywood
    Plywood
    thermal degradation
    thermogravimetry
    Thermogravimetric analysis
    Infrared spectroscopy
    Pyrolysis
    Nitrogen
    infrared spectroscopy
    nitrogen
    atmospheres
    Kinetics
    air
    kinetics
    Air
    Heating rate
    Gas emissions
    inert atmosphere
    thermal decomposition
    Infrared spectrometers

    Keywords

    • Genetic algorithms
    • Kinetic parameter
    • Pyrolysis
    • TGA-FTIR analysis
    • Thermal decomposition
    • Wood

    Cite this

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    title = "Kinetic and mechanism of the thermal degradation of a plywood by using thermogravimetry and Fourier-transformed infrared spectroscopy analysis in nitrogen and air atmosphere",
    abstract = "The thermal degradation of plywood was investigated using thermogravimetric analysis (TGA) device. The TGA experiments were conducted between ambient temperature and 1000 °C for seven different heating rates: 5, 10, 15, 20, 30, 40 and 50 °C min-1. The experiments were realized under inert and air atmospheres in order to characterize the plywood thermal decomposition occurring during the pyrolysis and oxidative processes. Throughout all the tests, the gaseous emissions were continuously monitored using a Fourier transformed infra-red spectrometer (FTIR). The progress in the mass, the mass-loss rate (MLR) and gas emissions data allow to propose a mechanism of the thermal decomposition of plywood with six different stages. The reactions (stages) of this mechanism is of a rate represented by a modified Arrhenius law containing four unknown kinetic parameters (A, Ea, n and ν) for each reaction. These 24 unknown parameters are determined by using the inverse optimization method of the genetic algorithms. The model developed is validated regardless of the heating rate and atmosphere (inert or air) chosen. A very good agreement is obtained between the experimental and the numerical mass loss rate evolutions.",
    keywords = "Genetic algorithms, Kinetic parameter, Pyrolysis, TGA-FTIR analysis, Thermal decomposition, Wood",
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    Kinetic and mechanism of the thermal degradation of a plywood by using thermogravimetry and Fourier-transformed infrared spectroscopy analysis in nitrogen and air atmosphere. / Fateh, Talal; Rogaume, T.; Luche, J.; Richard, F.; Jabouille, F.

    In: Fire Safety Journal, Vol. 58, 01.05.2013, p. 25-37.

    Research output: Contribution to journalArticle

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    AU - Fateh, Talal

    AU - Rogaume, T.

    AU - Luche, J.

    AU - Richard, F.

    AU - Jabouille, F.

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    N2 - The thermal degradation of plywood was investigated using thermogravimetric analysis (TGA) device. The TGA experiments were conducted between ambient temperature and 1000 °C for seven different heating rates: 5, 10, 15, 20, 30, 40 and 50 °C min-1. The experiments were realized under inert and air atmospheres in order to characterize the plywood thermal decomposition occurring during the pyrolysis and oxidative processes. Throughout all the tests, the gaseous emissions were continuously monitored using a Fourier transformed infra-red spectrometer (FTIR). The progress in the mass, the mass-loss rate (MLR) and gas emissions data allow to propose a mechanism of the thermal decomposition of plywood with six different stages. The reactions (stages) of this mechanism is of a rate represented by a modified Arrhenius law containing four unknown kinetic parameters (A, Ea, n and ν) for each reaction. These 24 unknown parameters are determined by using the inverse optimization method of the genetic algorithms. The model developed is validated regardless of the heating rate and atmosphere (inert or air) chosen. A very good agreement is obtained between the experimental and the numerical mass loss rate evolutions.

    AB - The thermal degradation of plywood was investigated using thermogravimetric analysis (TGA) device. The TGA experiments were conducted between ambient temperature and 1000 °C for seven different heating rates: 5, 10, 15, 20, 30, 40 and 50 °C min-1. The experiments were realized under inert and air atmospheres in order to characterize the plywood thermal decomposition occurring during the pyrolysis and oxidative processes. Throughout all the tests, the gaseous emissions were continuously monitored using a Fourier transformed infra-red spectrometer (FTIR). The progress in the mass, the mass-loss rate (MLR) and gas emissions data allow to propose a mechanism of the thermal decomposition of plywood with six different stages. The reactions (stages) of this mechanism is of a rate represented by a modified Arrhenius law containing four unknown kinetic parameters (A, Ea, n and ν) for each reaction. These 24 unknown parameters are determined by using the inverse optimization method of the genetic algorithms. The model developed is validated regardless of the heating rate and atmosphere (inert or air) chosen. A very good agreement is obtained between the experimental and the numerical mass loss rate evolutions.

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