Abstract
The increasing demand for energy has prompted scholars to research alternative energy sources. Bamboo is a species of woody perennial grass that belongs to the Gramineae family and the Bambuseae subfamily. It could be considered a possible lignocellulosic substrate for the production of bioethanol due to its favourable environmental effects and increased yearly biomass yield. Non-renewable fossil fuels cannot provide enough energy to meet the needs of contemporary societies. Among the various alternative energy sources, bioethanol has drawn a lot of attention from people all around the world. This paper reviews the cost and process parameters for the synthesis of bioethanol from bamboo. This review aims to increase the effectiveness of the entire ethanol production process by focusing on pretreatment, enzymatic hydrolysis, and fermentation. The emphasis of this review is on the efficient process for producing bioethanol while maintaining environmental sustainability. When compared to other NaOH pretreatment techniques, bamboo substrates prepared with NaOH and ultra-high-pressure explosion (UHPE) exhibit higher enzymatic hydrolyzability when processed under optimal conditions, such as 100 MPa, 121 °C, and 70 rpm for 2 h, yielding 89.7–95.1% ethanol after 24 h. The article lists the bamboo species responsible for creating each product, making it straightforward for producers to study and select the species based on whatever value-added product they wish to produce bioethanol with different parameters.
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The authors acknowledge Department of Science & Technology, Govt. of India, for manpower support for review work under sanction number SP/YO/2019/1589 (G).
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All authors contributed to the study conception and design. Material preparation, data collection, and analysis were performed by Minal Deshmukh and Aadil Pathan. The draft of the manuscript was written by Aadil Pathan, and all authors commented on previous versions of the manuscript. All authors read and approved the final manuscript.
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Deshmukh, M., Pathan, A. Transformations of bamboo into bioethanol through biorefinery. Environ Sci Pollut Res 31, 3343–3360 (2024). https://doi.org/10.1007/s11356-023-31510-8
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DOI: https://doi.org/10.1007/s11356-023-31510-8