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  • Open Access


    Production of Wood Fibers from Thermally Treated Wood

    Maximilien Gibier*, Pierre Girods, Yann Rogaume

    FDMP-Fluid Dynamics & Materials Processing, Vol.18, No.5, pp. 1427-1439, 2022, DOI:10.32604/fdmp.2022.022057

    Abstract The reduction of the hygroscopicity of wood fibers was investigated through a Thermal Treatment (TT) on wood chips performed before the defibering process. The TT and defibering tests were both carried out on a continuous pilot at semi-industrial scale. The thermal treatment study of wood chips, equivalent to a low temperature pyrolysis, was achieved for four conditions (280°C–320°C) for a duration of 10 min. Mass quantification of solids, condensables and gases (FTIR) at the outcome of the thermal treatment allowed to achieve the mass balances for each condition. The increase of the reactor temperature from 280°C to 320°C leads to… More >

  • Open Access


    Study on Improvement of Hygroscopicity of Magnesite-Bonded Wood Wool Panel

    Li Luo*, Xiaoyu Wang, Kang Zhou, Shenjian Ni, Xiaonin Lu, Bin Na*

    Journal of Renewable Materials, Vol.9, No.10, pp. 1795-1803, 2021, DOI:10.32604/jrm.2021.015027

    Abstract Magnesite-bonded wood wool panel (MWWP) is an inorganic-bonded panel product in which wood excelsior is bonded with magnesite. Lowering the hygroscopicity is one of the key measures to improve the quality of the panel. In this study, moisture absorption mechanism of MWWP and measures generally applied to lower its hygroscopicity were reviewed. Three methods were then experimented to improve the dimensional stability of the panel, including adjusting the molar ratio of raw materials, adding additives and optimizing the conditioning process. The results showed that satisfying dimensional stability could be achieved when the molar ratio of MgO to MgCl2 was 5:1,… More > Graphic Abstract

    Study on Improvement of Hygroscopicity of Magnesite-Bonded Wood Wool Panel

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