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Intensification of Bioethanol Production from Different Lignocellulosic Biomasses, Induced by Various Pretreatment Methods: An Updated Review

Author

Listed:
  • Maria El Hage

    (Centre d’Analyses et de Recherche, Unité de Recherche Technologies et Valorisations Agro-Alimentaire, Faculté des Sciences, Université Saint-Joseph de Beyrouth, Beirut 1104 2020, Lebanon)

  • Hiba N. Rajha

    (Ecole Supérieure d’Ingénieurs de Beyrouth (ESIB), Université Saint-Joseph de Beyrouth, CST Mkalles Mar Roukos, Beirut 1107 2050, Lebanon)

  • Zoulikha Maache-Rezzoug

    (Laboratoire LaSIE, UMR-CNRS 7356, La Rochelle Université, Avenue Michel Crépeau, 17042 La Rochelle, France)

  • Mohamed Koubaa

    (Université de Technologie de Compiègne, ESCOM, TIMR (Integrated Transformations of Renewable Matter), Centre de Recherche Royallieu, CS 60319, 60203 Compiègne CEDEX, France)

  • Nicolas Louka

    (Centre d’Analyses et de Recherche, Unité de Recherche Technologies et Valorisations Agro-Alimentaire, Faculté des Sciences, Université Saint-Joseph de Beyrouth, Beirut 1104 2020, Lebanon)

Abstract

While world energy demand has certainly decreased with the beginning of the COVID-19 pandemic in 2020, the need has been significantly on the rise since 2021, all as the world’s fossil fuel resources are depleting; it is widely accepted that these resources emit greenhouse gases (GHG), which are the leading cause for the climate crisis. The main contributors to global warming are manufacturing, energy, and agriculture. The agricultural sector is composed of diversified and potential mobilizable sources of waste which can become an attractive alternative to fossil fuels for energy production, and thus sequester and use carbon. Therefore, a paradigm shift towards more sustainable energy alternatives, efficient waste management, and new technologies is necessary. One good solution is the energetic valorization of lignocellulosic biomass (LCB) which can also originate from agricultural wastes. The biomass consists of cellulose, hemicellulose, and lignin, which are sources of fermentable sugars that can be used for bioethanol production. However, the recovery of sugars requires the pretreatment of LCB before enzymatic hydrolysis, due to its inaccessible molecular structure. Different pretreatment technologies, including acid and alkaline pretreatments for selected biomasses (such as hemp, rice straw, corn straw, sugarcane bagasse, and wheat straw) are discussed and compared. Therefore, this review highlights the potential of agricultural waste as a renewable resource for energy production.

Suggested Citation

  • Maria El Hage & Hiba N. Rajha & Zoulikha Maache-Rezzoug & Mohamed Koubaa & Nicolas Louka, 2022. "Intensification of Bioethanol Production from Different Lignocellulosic Biomasses, Induced by Various Pretreatment Methods: An Updated Review," Energies, MDPI, vol. 15(19), pages 1-26, September.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:19:p:6912-:d:921021
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    Citations

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    Cited by:

    1. Nevena Ilić & Marija Milić & Sunčica Beluhan & Suzana Dimitrijević-Branković, 2023. "Cellulases: From Lignocellulosic Biomass to Improved Production," Energies, MDPI, vol. 16(8), pages 1-21, April.
    2. Maria El Hage & Nicolas Louka & Sid-Ahmed Rezzoug & Thierry Maugard & Sophie Sablé & Mohamed Koubaa & Espérance Debs & Zoulikha Maache-Rezzoug, 2023. "Bioethanol Production from Woody Biomass: Recent Advances on the Effect of Pretreatments on the Bioconversion Process and Energy Yield Aspects," Energies, MDPI, vol. 16(13), pages 1-31, June.
    3. Deshmukh, Minal & Pathan, Aadil, 2024. "Bambusa tulda: A potential feedstock for bioethanol and its blending effects on the performance of spark ignition engine," Renewable and Sustainable Energy Reviews, Elsevier, vol. 192(C).

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