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Pretreatment technologies for an efficient bioethanol production process based on enzymatic hydrolysis: A review
Abstract
Biofuel produced from lignocellulosic materials, so-called second generation bioethanol shows energetic, economic and environmental advantages in comparison to bioethanol from starch or sugar. However, physical and chemical barriers caused by the close association of the main components of lignocellulosic biomass, hinder the hydrolysis of cellulose and hemicellulose to fermentable sugars. The main goal of pretreatment is to increase the enzyme accessibility improving digestibility of cellulose. Each pretreatment has a specific effect on the cellulose, hemicellulose and lignin fraction thus, different pretreatment methods and conditions should be chosen according to the process configuration selected for the subsequent hydrolysis and fermentation steps. This paper reviews the most interesting technologies for ethanol production from lignocellulose and it points out several key properties that should be targeted for low-cost and advanced pretreatment processes.
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“Depending on the purpose of pretreatment, chemical, biological, thermochemical, or thermophysical methods are used, sometimes in combination [105, 106].”
From The promising future of microalgae: Current status, challenges, and optimization of a sustainable and renewable industry for biofuels, feed, and other products (2018) · cites this paper as [105]
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Production of bioethanol from pre-treated cotton fabrics and waste cotton materials
Nikolić, S. B., Lazić, V., Veljovic, D. N., & Mojović, L. V. (2017) · Carbohydrate Polymers · doi:10.1016/j.carbpol.2017.01.090 · Cited by 85
Parajuli, R., Knudsen, M. T., Birkved, M., Djomo, S. N., Corona, A., & Dalgaard, T. (2017) · The Science of The Total Environment · doi:10.1016/j.scitotenv.2017.04.087 · Cited by 84
“Hydrolysis facilitates for an enhanced availability of glucose 4 from the carbohydrate contained in the pretreated biomass (Alvira et al., 2010).”
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Lignocellulose, dietary fibre, inulin and their potential application in food
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“The processing can either be through physical, chemical, physicochemical as well as biological pre-treatment (Alvira et al., 2010).”
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“Steam explosion is one of the efficient pretreatments for corn stover biomass (Alvira et al., 2010).”
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Bioethanol production from brown seaweed, Undaria pinnatifida, using NaCl acclimated yeast
Cho, Y., Kim, H., & Kim, S.-K. (2013) · Bioprocess and Biosystems Engineering · doi:10.1007/s00449-013-0895-5 · Cited by 84
“The depletion of fossil fuels and the increasing problem of CO2 emissions have led to seek alternative sources for biomasses such as corn stover, lignocellulosic biomass, forest products residue and seaweeds [1, 2].”
BackgroundSteam Explosion for Wheat Straw Pretreatment for Sugars Production
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Metadata
- Authors
- Alvira, P., Tomás-Pejó, E., Ballesteros, M., & Negro, M. J.
- Affiliations
- Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (ES)
- Corresponding author
- Negro, M.J.
- Venue
- Bioresource Technology
- Publisher
- Elsevier BV
- Published
- 2010-07
- Volume
- 101
- Issue
- 13
- Pages
- 4851-4861
- ISSN
- 0960-8524 (ISSN-L)
- OpenAlex
- W2053526929
- Cited by
- 3,912
- References
- 89
- Citations by year
- 2026: 102 · 2025: 135 · 2024: 141 · 2023: 162 · 2022: 227 · 2021: 273 · 2020: 274 · 2019: 319 · 2018: 309 · 2017: 369 · 2016: 317 · 2015: 332 · 2014: 293 · 2013: 265 · 2012: 207
- FWCI
- 78.48
- Type
- journal article
- Language
- en
- Open access
- closed
- Licence
- Locations
- Bioresource Technology (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Physical Sciences › Engineering › Biomedical Engineering › Biofuel production and bioconversion
- Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Anaerobic Digestion and Biogas Production
- Physical Sciences › Chemical Engineering › Catalysis › Catalysis for Biomass Conversion
- Keywords
- lignocellulosic biomass, bioethanol production, pretreatment technologies, enzymatic hydrolysis, cellulose digestibility, hemicellulose, lignin, fermentable sugars, cellulosic ethanol
- MeSH terms
- Adsorption, Ethanol, Ammonia, Biotechnology, Cellulose, Conservation of Natural Resources, Energy-Generating Resources, Hydrolysis, Lignin, Oxygen, Porosity, Biomass
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