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    Por favor, use este identificador para citar o enlazar este ítem:https://uvadoc.uva.es/handle/10324/64826

    Título
    The headspace of microaerobic reactors: Sulphide-oxidising population and the impact of cleaning on the efficiency of biogas desulphurisation
    Autor
    Ramos, I.
    Pérez Fernández, RebecaAutoridad UVA Orcid
    Fernández-Polanco Íñiguez de la Torre, MaríaAutoridad UVA Orcid
    Año del Documento
    2014
    Documento Fuente
    Volume 158, April 2014, Pages 63-73
    Résumé
    O2-limiting/microaerobic conditions were applied in order to control the H2S content of biogas. The S0-rich deposits found all over the headspace of two pilot reactors (R1 and R2) as a result of operating under such conditions for 7 and 15 months (respectively) were sampled and removed. After restarting micro-oxygenation, H2S-free biogas was rapidly obtained, and the O2 demand of R2 decreased. This highlighted the need for a cleaning interval of less than 14 months in order to minimise the micro-oxygenation cost. The H2S removed from R2 after approximately 1 month was recovered from its headspace as S0, thus indicating that the biogas desulphurisation did not take place at the liquid interface. Denaturing gradient gel electrophoresis indicated that the composition, species richness and size of the sulphide-oxidising bacteria population depended on the location, and, more specifically, moisture availability, and indicated increasing species richness over time. Additionally, a possible succession was estimated.
    ISSN
    0960-8524
    Revisión por pares
    SI
    DOI
    10.1016/j.biortech.2014.02.001
    Idioma
    spa
    URI
    https://uvadoc.uva.es/handle/10324/64826
    Tipo de versión
    info:eu-repo/semantics/acceptedVersion
    Derechos
    restrictedAccess
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