Journal
CATALYSIS COMMUNICATIONS
Volume 10, Issue 7, Pages 1057-1061Publisher
ELSEVIER
DOI: 10.1016/j.catcom.2008.12.061
Keywords
Water-gas shift reaction; Cu-based catalyst; Homogeneous precursor; High sustainability; Boehmite
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Funding
- Ministry of Education, Culture, Sports Science and Technology ( MEXT) of Japan [19760545]
- Grants-in-Aid for Scientific Research [19760545] Funding Source: KAKEN
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Coprecipitated-Cu-Al-Ox catalyst calcined at 823 K (CP-823) showed higher activity and sustainability than a commercial Cu/ZnO/Al2O3 catalyst even after 50 cycles of the daily start-up and shut-down (DSS)-like operation in the water-gas shift reaction. The high, stable activity of CP-823 is caused by the formation of highly dispersed and stable Cu metal. A boehmite phase formed in situ during the DSS operation has an important role in inhibition of aggregation of Cu metal particles. (C) 2009 Elsevier B.V. All rights reserved.
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