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    Por favor, use este identificador para citar o enlazar este ítem:http://uvadoc.uva.es/handle/10324/38622

    Título
    A novel technique based in a cylindrical microwave resonator for high pressure phase equilibrium determination
    Autor
    Susial Martín, RodrigoAutoridad UVA
    Gómez Hernández, Ángel
    Lozano Martín, DanielAutoridad UVA Orcid
    Campo Maldonado, Dolores del
    Martín González, María del CarmenAutoridad UVA Orcid
    Segovia Puras, José JuanAutoridad UVA Orcid
    Año del Documento
    2019
    Editorial
    Elsevier
    Descripción
    Producción Científica
    Documento Fuente
    Journal of Chemical Thermodynamics, 2019, vol. 135, pp. 124-132.
    Resumo
    The development of a novel technique based on a cylindrical microwave resonator for high pressure phase equilibrium determination is described. Electric permittivity or dielectric constant is a physical property that depends on temperature and pressure ε(p,T). Based on this property, a measuring technique consisting of a cylindrical resonant cavity that works in the microwave spectrum has been developed. Equilibrium data of fluid mixtures are measured at high pressure using a synthetic method, where phase transition is determined under isothermal conditions due to the change of the dielectric constant. This technique may be a more accurate alternative to conventional visual synthetic methods. The technique was validated measuring pure CO2, and phase behaviour was then determined for two binary mixtures [CO2 (0.6) + CH4 (0.4)] and [CO2 (0.4) + CH4 (0.6)], results for which are presented. These systems are interesting for the study of biogas–like mixtures. In addition, data were compared with the equation of state used for natural gas GERG-2008, and also, they were modelled using Peng-Robinson equation of state and Wong- Sandler mixing rules, which are widely employed in chemical industries and which give good results.
    Materias (normalizadas)
    Termodinámica
    Materias Unesco
    2213.09 Equilibrios Termodinámico
    3322.05 Fuentes no Convencionales de Energía
    Palabras Clave
    Phase equilibria
    High pressure
    CO2
    CH4
    Cylindrical microwave resonator
    Equation of state
    Biogas
    ISSN
    0021-9614
    Revisión por pares
    SI
    DOI
    10.1016/j.jct.2019.03.027
    Patrocinador
    Trabajo financiado por el Ministerio de Industria, Economía y Competitividad (ENENE2013-47812-R y ENE2017-88474-R) y la Junta de Castilla y León (VA035U16 y VA280P18)
    Version del Editor
    https://reader.elsevier.com/reader/sd/pii/S0021961418310310?token=B8BFC5A334C503C1241BBBA289B1DC4AA1B2EDD1D1D32505E579F313DE45B4D48F597A65721C91B6ACB645271F92F998
    Propietario de los Derechos
    Elsevier
    Idioma
    eng
    URI
    http://uvadoc.uva.es/handle/10324/38622
    Tipo de versión
    info:eu-repo/semantics/acceptedVersion
    Derechos
    openAccess
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    • DEP46 - Artículos de revista [100]
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    Universidad de Valladolid

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