Hydrogen purification from compact palladium membrane module using a low temperature diffusion bonding technology

Duck Kyu Oh, Kwan Young Lee, Jong Soo Park

Research output: Contribution to journalArticlepeer-review

Abstract

This study investigates a compact palladium membrane module (CPMM) for hydrogen purification, assembled by diffusion bonding at a low-temperature (450 C). This CPMM resulted in hydrogen (H2) flux of 18.3 mL cm−2 min−1 with H2 /N2 selectivity of over 1100. The H2 purification test using a 60% H2 /40% CO2 mixed gas confirmed that the CPMM can separate H2 with a concentration of more than 99%, with a pressure difference of 5 bar. Moreover, the volume of the diffusion bonded membrane module is decreased by 81.4% than the flame-type membrane module pre-studied in our laboratory.

Original languageEnglish
Article number338
Pages (from-to)1-11
Number of pages11
JournalMembranes
Volume10
Issue number11
DOIs
Publication statusPublished - 2020 Nov

Keywords

  • Carbon dioxide
  • Compact module
  • Diffusion bonding
  • Hydrogen
  • Palladium membrane
  • Purification

ASJC Scopus subject areas

  • Chemical Engineering (miscellaneous)
  • Process Chemistry and Technology
  • Filtration and Separation

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