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 language | English |
|---|---|
| Article number | 338 |
| Pages (from-to) | 1-11 |
| Number of pages | 11 |
| Journal | Membranes |
| Volume | 10 |
| Issue number | 11 |
| DOIs | |
| Publication status | Published - 2020 Nov |
Bibliographical note
Funding Information:This work was supported by the Research and Development Program of the Korea Institute of Energy Research (KIER) (Project No. B6-2451), Republic of Korea. This work was supported by the Research and Development Program of the Korea Institute of Energy Research (KIER) (Project No. B6-2451), Republic of Korea.
Publisher Copyright:
© 2020 by the authors. Licensee MDPI, Basel, Switzerland.
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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