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The Impact of a Mild Sub-Critical Hydrothermal Carbonization Pretreatment on Umbila Wood. A Mass and Energy Balance Perspective

Author

Listed:
  • Carlos Alberto Cuvilas

    (Department of Chemical Engineering, Faculty of Engineering, UEM—University Eduardo Mondlane, Av. de Moçambique Km 1.5, P.O. Box 257, Maputo 1100, Mozambique
    Division of Energy and Furnace Technology, Department of Materials Science and Engineering, KTH-Royal Institute of Technology, Brinellvägen 23, S-100 44 Stockholm, Sweden)

  • Efthymios Kantarelis

    (Division of Energy and Furnace Technology, Department of Materials Science and Engineering, KTH-Royal Institute of Technology, Brinellvägen 23, S-100 44 Stockholm, Sweden
    These authors contributed equally to this work.)

  • Weihong Yang

    (Division of Energy and Furnace Technology, Department of Materials Science and Engineering, KTH-Royal Institute of Technology, Brinellvägen 23, S-100 44 Stockholm, Sweden
    These authors contributed equally to this work.)

Abstract

Over the last years, the pretreatment of biomass as a source of energy has become one of the most important steps of biomass conversion. In this work the effect of a mild subcritical hydrothermal carbonization of a tropical woody biomass was studied. Results indicate considerable change in carbon content from 52.78% to 65.1%, reduction of oxygen content from 41.14% to 28.72% and ash slagging and fouling potential. Even though decarboxylation, decarbonylation and dehydration reactions take place, dehydration is the one that prevails. The mass and energy balance was affected by the treatment conditions than the severity of the treatment.

Suggested Citation

  • Carlos Alberto Cuvilas & Efthymios Kantarelis & Weihong Yang, 2015. "The Impact of a Mild Sub-Critical Hydrothermal Carbonization Pretreatment on Umbila Wood. A Mass and Energy Balance Perspective," Energies, MDPI, vol. 8(3), pages 1-11, March.
    • Handle: RePEc:gam:jeners:v:8:y:2015:i:3:p:2165-2175:d:47066
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    Citations

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    Cited by:

    1. Heidari, Mohammad & Salaudeen, Shakirudeen & Arku, Precious & Acharya, Bishnu & Tasnim, Syeda & Dutta, Animesh, 2021. "Development of a mathematical model for hydrothermal carbonization of biomass: Comparison of experimental measurements with model predictions," Energy, Elsevier, vol. 214(C).
    2. Mitchell Ubene & Mohammad Heidari & Animesh Dutta, 2022. "Computational Modeling Approaches of Hydrothermal Carbonization: A Critical Review," Energies, MDPI, vol. 15(6), pages 1-28, March.
    3. Eunhye Song & Seyong Park & Ho Kim, 2019. "Upgrading Hydrothermal Carbonization (HTC) Hydrochar from Sewage Sludge," Energies, MDPI, vol. 12(12), pages 1-9, June.

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