Sieverts law pressure exponent for hydrogen permeation through Pd-based membranes: coupled influence of non-ideal diffusion and multi-component external mass transfer (Articolo in rivista)

Type
Label
  • Sieverts law pressure exponent for hydrogen permeation through Pd-based membranes: coupled influence of non-ideal diffusion and multi-component external mass transfer (Articolo in rivista) (literal)
Anno
  • 2013-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.ijhydene.2013.09.102 (literal)
Alternative label
  • Caravella A.; Hara S.; Drioli E.; Barbieri G. (2013)
    Sieverts law pressure exponent for hydrogen permeation through Pd-based membranes: coupled influence of non-ideal diffusion and multi-component external mass transfer
    in International journal of hydrogen energy; pergamon press, new york (Stati Uniti d'America)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Caravella A.; Hara S.; Drioli E.; Barbieri G. (literal)
Pagina inizio
  • 16229 (literal)
Pagina fine
  • 16244 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 38 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 16 (literal)
Note
  • ISI Web of Science (WOS) (literal)
  • copu (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • National Institute of Advanced Industrial Science and Technology (AIST), Research Institute for Innovation in Sustainable Chemistry, Central 5, Higashi 1-1-1, Tsukuba, Ibaraki 305-8565, Japan National Research Council e Institute on Membrane Technology (ITM-CNR), Via P. Bucci, Cubo 17C, Rende, Cosenza 87036, Italy University of Calabria, Department of Environment and Chemical Engineering, Via P. Bucci, Cubo 44A, Rende, Cosenza 87036, Italy (literal)
Titolo
  • Sieverts law pressure exponent for hydrogen permeation through Pd-based membranes: coupled influence of non-ideal diffusion and multi-component external mass transfer (literal)
Abstract
  • This paper focuses on the suitability of using a Sieverts-type empirical law to describe hydrogen permeation through Pd-based membranes in the presence of both concentration-dependent hydrogen transport through the selective layer e referred to as \"non-ideal\" behaviour e and external mass transfer resistance. In particular, the functionality of the pressure exponent with temperature, pressure and membrane thickness is provided, showing that the Sieverts-type empirical law can be used to incorporate the external mass transfer influence just up to a moderate external resistance. The explanation for this fact is recognised in the inadequacy of the Sieverts-type empirical law to describe the behaviour of the flux limited by external resistance for a sufficiently large permeation driving force. The methodology described in this paper is effective also when the permeation-determining steps cannot be established, helping researchers to a correct interpretation of permeation tests in the presence of severe mass transfer resistance (literal)
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