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Technological Prospects of Biochar Derived from Viticulture Waste: Characterization and Application Perspectives

Author

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  • Veronica D’Eusanio

    (Department of Chemical and Geological Sciences, University of Modena and Reggio Emilia, 41125 Modena, Italy
    National Interuniversity Consortium of Materials Science and Technology (INSTM), 50121 Firenze, Italy)

  • Antonio Lezza

    (Department of Chemical and Geological Sciences, University of Modena and Reggio Emilia, 41125 Modena, Italy)

  • Biagio Anderlini

    (Department of Chemical and Geological Sciences, University of Modena and Reggio Emilia, 41125 Modena, Italy)

  • Daniele Malferrari

    (Department of Chemical and Geological Sciences, University of Modena and Reggio Emilia, 41125 Modena, Italy)

  • Marcello Romagnoli

    (Interdepartmental Centre H2-MORE, University of Modena and Reggio Emilia, Via Università 4, 41121 Modena, Italy
    Department of Engineering “Enzo Ferrari”, University of Modena and Reggio Emilia, Via Vivarelli 10, 41125 Modena, Italy)

  • Fabrizio Roncaglia

    (Department of Chemical and Geological Sciences, University of Modena and Reggio Emilia, 41125 Modena, Italy
    National Interuniversity Consortium of Materials Science and Technology (INSTM), 50121 Firenze, Italy
    Interdepartmental Centre H2-MORE, University of Modena and Reggio Emilia, Via Università 4, 41121 Modena, Italy)

Abstract

The increasing demand for sustainable agricultural practices aimed at reducing carbon dioxide emissions has driven the exploration of converting viticulture residues into biochar. This study investigates the potential technological applications of biochar as a filler for the production of electrically conductive composite materials, suitable to Bipolar Plate (BP) manufacturing. Grape seeds (GSs), defatted grape seeds (DGSs), wood stems (WSs), and whole grape seeds (WGSs) were converted into biochar samples through low-temperature (300 °C) pyrolysis for 3 or 24 h. The composition and thermal stability of biochar were evaluated through thermogravimetric analysis (TG), which provided valuable insights into interpreting the in-plane conductivity (IPC) values of the BP samples. Pyrolyzed GS and DGS biochar samples demonstrated enhanced thermal stability and conferred higher IPC values compared to WS counterparts. This indicates a clear correlation between the formation of carbon-rich structures during pyrolysis and overall electrical conductivity. In contrast, pyrolyzed WGSs produced BP samples with lower IPC values due to the presence of lipids, which were not effectively degraded by the low-temperature pyrolysis.

Suggested Citation

  • Veronica D’Eusanio & Antonio Lezza & Biagio Anderlini & Daniele Malferrari & Marcello Romagnoli & Fabrizio Roncaglia, 2024. "Technological Prospects of Biochar Derived from Viticulture Waste: Characterization and Application Perspectives," Energies, MDPI, vol. 17(14), pages 1-14, July.
    • Handle: RePEc:gam:jeners:v:17:y:2024:i:14:p:3421-:d:1433473
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    Cited by:

    1. Veronica D’Eusanio & Mirco Rivi & Daniele Malferrari & Andrea Marchetti, 2024. "Optimizing Hempcrete Properties Through Thermal Treatment of Hemp Hurds for Enhanced Sustainability in Green Building," Sustainability, MDPI, vol. 16(23), pages 1-18, November.

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