Validation of a dynamic model of hydrogen permeation through Pd-based membranes

Angelo Rossi, Giacomo Lamonaca, Alessia Santucci, Silvano Tosti

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2 Citations (Scopus)

Abstract

Pd-based membranes have been studied for pure hydrogen separation from syngas: in particular, a mathematical model of a Pd membrane for hydrogen separation has been developed. This model can be used in process and assessment studies of the parameters which characterize the mass transfer phenomena (such as: hydrogen permeability, surface coverage and limiting step). By coupling the permeation and water gas shift reaction kinetics, it can also be used to evaluate the performances of the membrane reactor. Further, it can be helpful to evaluate the best assembly and sizing of a H2/CO2separation system. The model takes into account the kinetics of H2adsorption/desorption on Pd surface, the H2permeation into the palladium bulk and in the porous layer, and the kinetics of CO, CO2, H2O, O2, H2S competitive adsorption/desorption on Pd surface. It is also comprehensive of flux equations and bulk mass, momentum and energy balance. The results released by the model were compared to the experimental data during both the transient phase and the steady state conditions. A satisfactory agreement between model and experimental data was found. © 2010 Elsevier Ltd.
Original languageEnglish
Pages (from-to)521 - 530
Number of pages10
JournalInternational Journal of Greenhouse Gas Control
Volume5
Issue number3
DOIs
Publication statusPublished - May 2011
Externally publishedYes

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All Science Journal Classification (ASJC) codes

  • Pollution
  • Energy(all)
  • Management, Monitoring, Policy and Law
  • Industrial and Manufacturing Engineering

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