Potential of Agave sisalana residues in the production of second-generation biofuels: a systematic review
DOI:
https://doi.org/10.47236/2594-7036.2025.v9.1686Keywords:
Agave sisalana, Bioethanol, Second-generation biofuels, Pretreatment, Agro-industrial residuesAbstract
Agave is widely cultivated in Brazil, with 96% of the plant being discarded as waste after fiber extraction. This biomass, rich in cellulose, hemicellulose, and lignin, offers high potential for bioethanol production. This study aimed to analyze the technological pathways for converting Agave sisalana industrial residues into second-generation biofuels. A systematic review was conducted using the Scopus and Google Scholar databases, covering publications from 2015 to 2024. The following keywords were used: “agave and residues or biofuels and from and agave,” “agave residues,” and “sustainable processing Agave.” A total of 38 publications addressing pretreatment, hydrolysis, and fermentation processes for the conversion of Agave residues into biofuels were analyzed. The results demonstrated that Agave bagasse can be efficiently converted into ethanol through pretreatment methods such as autohydrolysis and steam explosion, achieving ethanol yields above 85%. However, the economic viability still faces challenges, especially related to the optimization of enzymatic cocktails and the integration of new technologies. It is concluded that sisal residues represent a sustainable solution for bioenergy production, thus contributing to the circular economy and the mitigation of environmental impacts.Downloads
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