Enhancing biomass energy recovery in Brazil's agro-industrial sector: Innovating biogas, biomethane, and hydrogen production through peach syrup waste management

Anderson Gabriel Corrêa, Willian Cézar Nadaleti, Eduarda Gomes de Souza, Maele Costa dos Santos, Pascal Silas Thue and Tracey Temple

Renewable Energy, 2025, vol. 247, issue C

Abstract: This study aimed to assess the potential for energy recovery from waste generated by the peach processing industry in the Brazilan state of Rio Grande do Sul. The generation of semi-solid residues during the production of peach in syrup, as the potential for biogas, CH4, and H2 production through anaerobic digestion, was investigated. The undertaking of two different methodologies allowed us to estimate the potential for H2 production and to facilitate comparisons. The processing ranges from 216 to 19,200 tons of fruit annually and generates 4800 tons.year−1of semisolid residues. The results indicate that CH4 production could reach 5.79E+05 m3 year−1, giving a total electricity generation of 1.74E+06 kWh.year−1. Additionally, a total H2 production of 5.60E+06 m3 year−1 was estimated. These findings suggest that the management of the waste bi-products from peach processing industry has significant potential for contributing to renewable energy generation.

Keywords: Peach processing; Methane; Biohydrogen; Renewable energy; Circular economy (search for similar items in EconPapers)
Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:247:y:2025:i:c:s0960148125006913

DOI: 10.1016/j.renene.2025.123029

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