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Numerical Study of the Pyrolysis of Wood Chips for Biocharcoal Production: Influence of Chips Geometry and Initial Moisture Content

Author

Listed:
  • Ablain Tagne Tagne

    (Faculty of Sciences, University of Yaoundé I, Yaoundé P.O. Box 812, Cameroon)

  • Merlin Simo-Tagne

    (Team of Modeling and Simulation in Mechanics and Energetic, Department of Physics, Faculty of Sciences, Mohammed V University, Av Ibn Battouta, P.O. Box 1014, Rabat 10000, Morocco
    INRAE, LERMAB, ERBE-F, University of Lorraine, 27 Rue Philippe Seguin, CS 60036, 88026 Epinal, France
    Department of Forestry and Agriculture, CFA—CFPPA of Mirecourt, 22 Rue du Docteur Grosjean, 88500 Mirecourt, France)

  • Razika Kharchi

    (Centre de Développement des Energies Renouvelables, CDER, P.O. Box 62, Alger 16340, Algeria)

  • Macmanus Chinenye Ndukwu

    (Department of Agricultural and Bioresources Engineering, Michael Okpara University of Agriculture, Umuahia P.M.B. 7267, Nigeria)

  • Nidhoim Assoumani

    (Team of Modeling and Simulation in Mechanics and Energetic, Department of Physics, Faculty of Sciences, Mohammed V University, Av Ibn Battouta, P.O. Box 1014, Rabat 10000, Morocco)

  • Aboubakar Compaoré

    (Laboratoire de Physique et de Chimie de l’Environnement (LPCE), Ecole Doctorale Sciences et Technologie (ED-ST), Université Joseph Ki-Zerbo, Ouagadougou 03 BP 7021, Burkina Faso)

  • Lyes Bennamoun

    (Department of Mechanical Engineering, University of New Brunswick, P.O. Box 4400, Fredericton, NB E3B 5A3, Canada)

  • Yann Rogaume

    (INRAE, LERMAB, ERBE-F, University of Lorraine, 27 Rue Philippe Seguin, CS 60036, 88026 Epinal, France)

  • André Zoulalian

    (INRAE, LERMAB, ERBE, Faculty of Sciences and Techniques, University of Lorraine, P.O. Box 70239, 54506 Vandœuvre-lès-Nancy, France)

Abstract

This study presents the modeling of wood chips pyrolysis, considering the initial moisture content and taking into account the near-parallelepiped geometry of common wood chips, which is not available among the simulated shapes of wood in the literature. The goal is to extend the research and generate useful data on how different varieties of shapes and initial moisture contents influence wood chips pyrolysis. The effects of temperature and thickness variation on the pressure of volatile products, core temperature, and densities of pyrolysis products were studied. The model was validated with the mass fraction of experimental data obtained from beechwood chips with a density of 700 kg/m 3 and thickness of 10 mm–30 mm at 973.15 K–1273.15 K. The mean absolute error (MAE) and mean relative error (MRE) values were, respectively, 0.066 and 10.376% at 973.15 K, and 0.065 and 22.632% at 1273.15 K. High temperature favored the rate of biocharcoal production from the surface to the core, though part of the biocharcoal was lost at the surface.

Suggested Citation

  • Ablain Tagne Tagne & Merlin Simo-Tagne & Razika Kharchi & Macmanus Chinenye Ndukwu & Nidhoim Assoumani & Aboubakar Compaoré & Lyes Bennamoun & Yann Rogaume & André Zoulalian, 2022. "Numerical Study of the Pyrolysis of Wood Chips for Biocharcoal Production: Influence of Chips Geometry and Initial Moisture Content," Energies, MDPI, vol. 15(11), pages 1-20, June.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:11:p:4098-:d:830536
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