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    Por favor, use este identificador para citar o enlazar este ítem:http://uvadoc.uva.es/handle/10324/28604

    Título
    Effect of pretreatments on biogas production from microalgae biomass grown in pig manure treatment plants
    Autor
    Martín Juarez, JuditAutoridad UVA
    Riol Pastor, Elena
    Fernández Sevilla, Jose María
    Muñoz Torre, RaúlAutoridad UVA Orcid
    García Encina, Pedro AntonioAutoridad UVA Orcid
    Bolado Rodríguez, SilviaAutoridad UVA Orcid
    Año del Documento
    2018
    Editorial
    Elsevier
    Documento Fuente
    Bioresource Technology. https://doi.org/10.1016/j.biortech.2018.02.063.
    Résumé
    Methane production from pretreated and raw mixed microalgae biomass grown in pig manure was evaluated. Acid and basic pretreatments provided the highest volatile solids solubilisation (up to 81%) followed by alkaline-peroxide and ultrasounds (23%). Bead milling and steam explosion remarkably increased the methane production rate, although the highest yield (377 mL CH4/g SV) was achieved by alkali pretreatment. Nevertheless, some pretreatments inhibited biogas production and resulted in lag phases of 7-9 days. Hence, experiments using only the pretreated solid phase were performed, which resulted in a decrease in the lag phase to 2-3 days for the alkali pretreatment and slightly increased biomass biodegradability of few samples. The limiting step during the BMP test (hydrolysis or microbial inhibition) for each pretreatment was elucidated using the goodness of fitting to a first order or a Gompertz model. Finally, the use of digestate as biofertilizer was evaluated applying a biorefinery concept.
    Palabras Clave
    Anaerobic digestion
    Fertilizer
    Inhibition
    Kinetic model
    Methane
    Revisión por pares
    SI
    DOI
    10.1016/j.biortech.2018.02.063
    Patrocinador
    Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria – INIA”, “Ministerio de Economía y Competitividad – MINECO (RTA2013-00056-C03-02) supported by FEDER program,
    Junta de Castilla y León – JCyL (VA094U14)
    Junta de Castilla y León – JCyL Doctorate Scholarship.
    Version del Editor
    https://www.sciencedirect.com/science/article/pii/S0960852418302566
    Idioma
    eng
    URI
    http://uvadoc.uva.es/handle/10324/28604
    Derechos
    openAccess
    Aparece en las colecciones
    • DEP48 - Artículos de revista [265]
    • GTA - Artículos de revista [41]
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    BITE_biogas_2018.pdf
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    Attribution-NoDerivatives 4.0 InternationalExcepté là où spécifié autrement, la license de ce document est décrite en tant que Attribution-NoDerivatives 4.0 International

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