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    Por favor, use este identificador para citar o enlazar este ítem:http://uvadoc.uva.es/handle/10324/28440

    Título
    Energy recovery from effluents of supercritical water oxidation reactors
    Autor
    García Rodríguez, Yoana
    Mato Chaín, Fidel AntonioAutoridad UVA Orcid
    Martín, Alexandra
    Bermejo Roda, Maria DoloresAutoridad UVA Orcid
    Cocero Alonso, María JoséAutoridad UVA Orcid
    Año del Documento
    2015
    Editorial
    Elsevier
    Descripción
    Producción Científica
    Documento Fuente
    The Journal of Supercritical Fluids, 2015, Volume 104, pp. 1-9
    Resumen
    Supercritical water oxidation (SCWO) reactors can process waste effluents achieving high conversions, but the required extreme pressure and temperature operational conditions entail high-energy operational expenditure. SCWO has the potential to be considered a clean energy generation process, as the process effluent is a high temperature, high pressure stream with a high enthalpy content that can be converted to heat and shaft work. This ensures the self-sustained reaction and can generate excess shaft power to drive both the high-pressure pump and the air compressor. On the contrary, an efficient heat and power recovery from SCWO reactors outlet streams using conventional procedures presents several problems. First, Rankine cycles impose indirect heat transfer to the working fluid and are unable to recover the pressure energy and second, direct expansion of the effluents entails costly development of specific, efficient expansion equipment. In this work, we investigate the options for energy recovery of SCWO reactors coupled with commercial gas turbines (GT). SCWO outlet streams are mainly composed of water, nitrogen and carbon dioxide. These operating values nearly resemble the well-known and already-implemented GT steam injection procedures. The temperature of the flue gases (approx. 500 °C) and the direct shaft work usage offers adequate energy integration possibilities for both feed preheating and compression. The wide range of commercially available GT sizes enables process scaling.
    Revisión por pares
    SI
    DOI
    10.1016/j.supflu.2015.05.014
    Patrocinador
    Ministerio de Economía, Industria y Competitividad - FEDER (Proyect CTQ2013-44143-R)
    Version del Editor
    https://www.sciencedirect.com/science/article/pii/S0896844615300127
    Idioma
    eng
    URI
    http://uvadoc.uva.es/handle/10324/28440
    Derechos
    openAccess
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    • BioEcoUVa - Artículos de revista [195]
    • DEP48 - Artículos de revista [265]
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    Attribution-NonCommercial-NoDerivatives 4.0 InternationalLa licencia del ítem se describe como Attribution-NonCommercial-NoDerivatives 4.0 International

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