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    Por favor, use este identificador para citar o enlazar este ítem:https://uvadoc.uva.es/handle/10324/76988

    Título
    Upscaling volatile fatty acids production: Demonstrating the reliability of anaerobic fermentation of food wastes from the lab towards industrial implementation
    Autor
    Gonçalves, Manuel João Afecto
    Greses, Silvia
    Kanine, Omar
    Guez, Jean Sébastien
    Fontanille, Pierre
    Vial, Christophe
    González Fernández, María CristinaAutoridad UVA Orcid
    Año del Documento
    2025
    Editorial
    Elsevier
    Descripción
    Producción Científica
    Documento Fuente
    Science of The Total Environment, 2025, vol. 985, p. 179735
    Zusammenfassung
    In recent years, the anaerobic fermentation (AF) of food waste (FW) has gained significant attention as a sustainable solution for waste valorization. However, the challenge of scaling up biotechnological processes for industrial applications remains a key barrier to commercialization. This investigation addressed this challenge by scaling up an auto-AF process from laboratory scale (4 L) to pilot (50 L) and demonstration scale in an industrial environment (250 L), using a lipid-rich FW (46.6 %, w/w) as the feedstock and endogenous microbiota as the inoculum. The applied operating conditions promoted the hydrolysis (>35 % volatile solids (VS) removal) and acidogenesis (>58 % of soluble chemical oxygen demand (sCOD) acidified) steps. As the reactor size for technology testing was increased, efficient mixing was crucial to ensure a proper homogenization of the fermentation broth. Lactic acid bacteria (LAB) prevailed in the endogenous microbiota, contributing to the enhanced hydrolysis and acidification efficiencies determined at all the scales. The minimal performance variations determined at different reactors' scales, along with the stability of the metabolite profiles, demonstrated the robustness and reliability of AF, opening the door to continue further industrialization.
    Materias Unesco
    3308 Ingeniería y Tecnología del Medio Ambiente
    Palabras Clave
    Anaerobic fermentation
    Food waste
    Volatile fatty acids
    Upscale
    Pilot plant
    Demonstration plant
    Microbial populations
    ISSN
    0048-9697
    Revisión por pares
    SI
    DOI
    10.1016/j.scitotenv.2025.179735
    Patrocinador
    This work was supported by OLEOFERM (EraCoBiotech; PCI2021-121936) funded by MCIN/AEI/10.13039/501100011033 and “European Union NextGenerationEU/PRTR” and by the project OILI with the reference CNS2022-135848.
    Version del Editor
    https://www.sciencedirect.com/science/article/pii/S0048969725013762
    Propietario de los Derechos
    © 2025 The Author(s)
    Idioma
    eng
    URI
    https://uvadoc.uva.es/handle/10324/76988
    Tipo de versión
    info:eu-repo/semantics/publishedVersion
    Derechos
    openAccess
    Aparece en las colecciones
    • IPS - Artículos de revista [170]
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    Dateien zu dieser Ressource
    Nombre:
    Upscaling-volatile-fatty-acids-production.pdf
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