Hydrogen Permeation Properties and Chemical Stability of Novel Pd-Free Alloy Membranes Based on the V-Y System

E. Magnone, S. I. Jeon, J. H. Park, E. Fleury

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

No investigation has yet been accomplished to screen the yttrium-doped effects on vanadium-based metal membranes. Synthesis, hydrogen permeation properties, and chemical stability of a novel palladium (Pd)-coated V 99Y 1 alloy membrane are presented. Hydrogen permeation experiments have been performed to investigate the hydrogen transport properties through the Pd-coated V 99Y 1 alloy membrane in the pressure range of 1.5-3.0bar under pure hydrogen as well as H 2-CO 2 and H 2-CO gas mixtures at 400°C. The maximum hydrogen permeation rate was ~32mLmin -1cm -2 for a 0.5mm thick membrane under pure hydrogen. The results offer new directions in the synthesis of novel non-Pd-based metal membranes for hydrogen separation in precombustion capture applications.

Original languageEnglish
Pages (from-to)469-472
Number of pages4
JournalChemical Engineering and Technology
Volume35
Issue number3
DOIs
StatePublished - Mar 2012

Keywords

  • Alloy membranes
  • Hydrogen permeation
  • Metal membranes
  • Precombustion capture

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