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Preferential CO oxidation over supported Pt catalysts
- Authors
- Jeon, Kyung-Won; Jeong, Dae-Woon; Jang, Won-Jun; Shim, Jae-Oh; Na, Hyun-Suk; Kim, Hak-Min; Lee, Yeol-Lim; Jeon, Byong Hun; Kim, Seong-Heon; Bae, Jong Wook; Roh, Hyun-Seog
- Issue Date
- Jun-2016
- Publisher
- 한국화학공학회
- Keywords
- Preferential CO Oxidation; Pt/Al2O3; Dispersion; Reducibility; Electron Transfer
- Citation
- Korean Journal of Chemical Engineering, v.33, no.6, pp 1781 - 1787
- Pages
- 7
- Indexed
- SCIE
SCOPUS
KCI
- Journal Title
- Korean Journal of Chemical Engineering
- Volume
- 33
- Number
- 6
- Start Page
- 1781
- End Page
- 1787
- ISSN
- 0256-1115
1975-7220
- Abstract
- Preferential CO oxidation reaction has been carried out at a gas hourly space velocity of 46,129 h(-1) over supported Pt catalysts prepared by an incipient wetness impregnation method. Al2O3, MgO-Al2O3 (MgO=30 wt% and 70 wt%) and MgO were employed as supports for the target reaction. 1 wt% Pt/Al2O3 catalyst exhibited very high performance (X (CO) > 90% at 175 C-A degrees for 100 h) in the reformate gases containing CO2 under severe conditions. This result is mainly due to the highest Pt dispersion, easier reducibility of PtO (x) , and easier electron transfer of metallic Pt. In addition, 1 wt% Pt/Al2O3 catalyst was also tested in the reformate gases with both CO2 and H2O to evaluate under realistic condition.
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Related Researcher
- Jeon, Byong Hun
- COLLEGE OF ENGINEERING (DEPARTMENT OF EARTH RESOURCES AND ENVIRONMENTAL ENGINEERING)