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How pyrolysis conditions shape the structural and functional properties of charcoal? A study of tropical dry forest biomass

Author

Listed:
  • Pereira, Allana Katiussya Silva
  • Longue Júnior, Dalton
  • Silva, Álison Moreira da
  • Cupertino, Gabriela Fontes Mayrinck
  • Souza, Elias Costa de
  • Delatorre, Fabíola Martins
  • Ucella-Filho, João Gilberto Meza
  • de Oliveira, Paulo Renato Souza
  • Rodrigues, Brunela Pollastrelli
  • Dias Júnior, Ananias Francisco

Abstract

Considering that the efficient production of charcoal is crucial for energy diversification and the sustainable use of planted forests, especially for regions subject to water stress, this study analyzed how final temperatures (300, 450 and 600 °C) and pyrolysis times (4, 5, and 7 h) affect the properties of charcoal from forest plantations in a semi-arid region. It was observed the increasing the final pyrolysis temperature from 300 to 600 °C decreased the charcoal yield by 6.72 %, provided higher values for fixed carbon (30.6 % more), heating value (13.9 % more), and stable charcoal consumption during combustion. Apparent density and energy density of charcoal were favored by pyrolysis performed at high temperatures, when combined with reduced pyrolysis times. The control of final pyrolysis temperature and time impacts the quality of wood charcoal from semi-arid regions, providing a product with interesting physical, chemical, thermal and mechanical properties for various industrial sectors.

Suggested Citation

  • Pereira, Allana Katiussya Silva & Longue Júnior, Dalton & Silva, Álison Moreira da & Cupertino, Gabriela Fontes Mayrinck & Souza, Elias Costa de & Delatorre, Fabíola Martins & Ucella-Filho, João Gilbe, 2025. "How pyrolysis conditions shape the structural and functional properties of charcoal? A study of tropical dry forest biomass," Renewable Energy, Elsevier, vol. 243(C).
    • Handle: RePEc:eee:renene:v:243:y:2025:i:c:s096014812500237x
    DOI: 10.1016/j.renene.2025.122575
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