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The Estimation of the Possibility of Bioethanol Production from Hemp Cellulose Using the HWE Method

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  • Kamil Roman

    (Institute of Wood Sciences and Furniture, Warsaw University of Life Sciences, 166 Nowoursynowska St., 02-787 Warsaw, Poland)

Abstract

This study investigates the effect of hot water extraction (HWE). The research investigates how different biomass fractions (0–4 mm, 4–8 mm, and 8–16 mm) respond to hydrothermal treatment, with cellulose content analyzed using the Kürschner–Hoffer method. Results indicate that cellulose loss varies across fractions, with the highest degradation observed in the 8–16 mm fraction and the lowest in stalks thinner than 4 mm. The HWE process removes both hemicellulose and lignin selectively, which helps improve enzyme accessibility and maximize bioethanol yields. The absence of fermentation inhibitors suggests that HWE is an effective alternative to acid-based pretreatment. Based on these findings, optimizing process parameters for sustainable bioethanol production from hemp biomass may be possible. Optimal HWE conditions and alternate pretreatment methods should be evaluated in future research to maximize efficiency and industrial feasibility.

Suggested Citation

  • Kamil Roman, 2025. "The Estimation of the Possibility of Bioethanol Production from Hemp Cellulose Using the HWE Method," Energies, MDPI, vol. 18(6), pages 1-27, March.
    • Handle: RePEc:gam:jeners:v:18:y:2025:i:6:p:1441-:d:1612672
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    References listed on IDEAS

    as
    1. Weldu, Yemane W., 2017. "Life cycle human health and ecosystem quality implication of biomass-based strategies to climate change mitigation," Renewable Energy, Elsevier, vol. 108(C), pages 11-18.
    2. Kamil Roman & Jan Barwicki & Witold Rzodkiewicz & Mariusz Dawidowski, 2021. "Evaluation of Mechanical and Energetic Properties of the Forest Residues Shredded Chips during Briquetting Process," Energies, MDPI, vol. 14(11), pages 1-11, June.
    3. Raslavicius, Laurencas & Grzybek, Anna & Dubrovin, Valeriy, 2011. "Bioenergy in Ukraine--Possibilities of rural development and opportunities for local communities," Energy Policy, Elsevier, vol. 39(6), pages 3370-3379, June.
    4. Balat, Mustafa & Balat, Havva, 2009. "Recent trends in global production and utilization of bio-ethanol fuel," Applied Energy, Elsevier, vol. 86(11), pages 2273-2282, November.
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