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    Por favor, use este identificador para citar o enlazar este ítem:http://uvadoc.uva.es/handle/10324/35166

    Título
    Hemicellulose extraction by hot pressurized water pretreatment at 160 ºC for 10 different woods: Yield and molecular weight
    Autor
    Gallina, GianlucaAutoridad UVA
    Cabeza Sánchez, ÁlvaroAutoridad UVA Orcid
    Grénman, Henrik
    Biasi, Pierdomenico
    García Serna, JuanAutoridad UVA Orcid
    Salmi, Tapio
    Año del Documento
    2018
    Documento Fuente
    The Journal of Supercritical Fluids Volume 133, Part 2, March 2018, Pages 716-725
    Zusammenfassung
    A study on hemicellulose extraction from 10 different tree species was performed using a batchwise operated cascade reactor constituted by 5 units of 200 mL and a buffer vessel of 2000 mL where a flowrate of 150 L h−1 was fully recirculated (close loop operatioin). The experiments were performed at 160 °C, 9 bar and with wood chips particle size of 1.25–2 mm (average solid load of 6.57 g/L). The aim was to identify which wood species were the best candidates to obtain a high yield and/or molecular weight of hemicelluloses. Hydrothermal extractions at different times (from 5 to 80 min) were investigated. The highest yield was obtained with eucalyptus wood (40.3 wt%) after 80 min of extraction. Furthermore, 3 different trends were obtained for molecular weight evolution, where the different tree species can be grouped.
    Revisión por pares
    SI
    DOI
    10.1016/j.supflu.2017.10.001
    Patrocinador
    MINECO and FEDER Funds, Project CTQ2015-64892-R (BioFraHynery)
    Version del Editor
    https://www.sciencedirect.com/science/article/pii/S0896844617303819?via%3Dihub#ack0005
    Idioma
    eng
    URI
    http://uvadoc.uva.es/handle/10324/35166
    Derechos
    openAccess
    Aparece en las colecciones
    • BioEcoUVa - Artículos de revista [195]
    • IPP - Artículos de revista [32]
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    Nombre:
    Gallina-woods-160C-UVaDocs.pdf
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    Universidad de Valladolid

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