Aproveitamento de subprodutos da biomassa da cana-de-açúcar: potencial tecnológico na bioeconomia e transição energética

Eliane Ferreira de Souza; Nathan Ponte Araújo; Maria do Socorro Mascarenhas; Margareth Batistote

doi:10.36560/18420252096

Authors

Eliane Ferreira de Souza SENAI - Departamento Regional do Mato Grosso do Sul
Nathan Ponte Araújo Universidade Estadual de Mato Grosso do Sul
Maria do Socorro Mascarenhas Universidade Estadual de Mato Grosso do Sul
Margareth Batistote Universidade Estadual de Mato Grosso do Sul

DOI:

https://doi.org/10.36560/18420252096

Keywords:

Agro-industrial residues, ashes, soot, circular economy

Abstract

The sugarcane bagasse is widely used for cogeneration in Brazilian bioenergy plants, producing soot and ash as by-products with significant recovery potential. This study aims to conduct a qualitative literature review on the formation, chemical composition, and reuse potential of soot resulting from bagasse combustion, aligned with the principles of bioeconomy and energy transition. The literature search was carried out using the ScienceDirect database and technical documents, considering publications from 2020 to 2025 that addressed sustainable uses of these residues. Data were thematically organized and interpretively analyzed. The results show that soot, composed of fine particles rich in amorphous carbon, can be converted into nanomaterials (such as nanotubes and graphene), environmental adsorbents, industrial pigments, and cement additives. Ashes also show potential for use as soil amendments and inputs for carbon-based materials. It is concluded that bagasse combustion by-products should be considered strategic resources within a circular approach, promoting industrial innovation, sustainability, and reduced reliance on fossil inputs. The valorization of these residues strengthens the biorefinery concept and supports the transition toward a cleaner and more resilient energy matrix.

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