RESÍDUOS AGROINDUSTRIAIS UTILIZADOS PARA FABRICAÇÃO DE ETANOL DE SEGUNDA GERAÇÃO

Mariana dos Santos Vicente; Matheus Vicente; Marco Antônio Vicente; Leonardo Lucas  Madaleno

doi:10.52138/citec.v16i1.394

Authors

Mariana dos Santos Vicente Fatec Nilo De Stéfani https://orcid.org/0009-0004-5536-7317
Matheus Vicente https://orcid.org/0009-0000-3992-7653
Marco Antônio Vicente https://orcid.org/0009-0003-6482-6506
Leonardo Lucas Madaleno Fatec-JB

DOI:

https://doi.org/10.52138/citec.v16i1.394

Keywords:

Etanol celulósico; Biocombustíveis; Restos culturais; Destinação correta; Biorrefinaria.

Abstract

In light of the climate challenges faced in recent years, reducing the concentration of greenhouse gases in the atmosphere has become a top priority for most nations. Biofuel production has emerged as a crucial strategy in this effort to mitigate emissions. Within this context, the aim of this review was to assess the potential use of agro-industrial residues for the production of second-generation (2G) ethanol as an environmentally sustainable disposal method. A comprehensive literature review was conducted on the current status of 2G ethanol production in Brazil, with a particular focus on the utilization of sugarcane bagasse and the main obstacles encountered in the process. Additionally, non-conventional agricultural residues, such as those from banana, coffee, citrus, cotton, and soy, were examined, revealing that the production of cellulosic biofuel from these sources is economically viable. The study also describes the production of 2G ethanol using two different crop residues under a common methodology. Furthermore, to enhance the profitability of 2G ethanol production, the integration of other biofuels such as biodiesel and biogas—produced from the residual by-products of cellulosic ethanol—within the same biorefinery is proposed. Second-generation ethanol represents a pathway toward more sustainable energy production and, importantly, provides an environmentally sound solution for the disposal of waste materials otherwise deemed to have no economic value.

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