Journal
APPLIED CATALYSIS A-GENERAL
Volume 462, Issue -, Pages 220-226Publisher
ELSEVIER
DOI: 10.1016/j.apcata.2013.05.010
Keywords
Cu/ZnO/Al2O3; Water-gas shift; Co-precipitation; Aurichalcite; Ethylene glycol
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Funding
- KIST (Korea Institute of Science and Technology)
- Global Research Laboratory Program though the National Research Foundation of Korea
- Ministry of Science, ICT and Future Planning of Korea
- National Research Foundation of Korea [2009-00406] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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Highly dispersed Cu/ZnO/Al2O3 catalysts were prepared by modifying a conventional co-precipitation method. By manipulating the preparation conditions, in this case solvent, precipitating temperature, and pH, a Cu surface area of 45.5 +/- 1.7 m(2)/g was prepared, which was much greater than the surface area of 11.4-31.7 m(2)/g obtained by the conventional co-precipitation method and seemed to be the largest Cu surface area ever reported in the literature. The preparation of catalysts with a high Cu surface area was attributed to the formation of aurichalcite, a complex containing Cu and Zn. The catalysts prepared by the modified co-precipitation method were used for a water-gas shift reaction, exhibiting higher catalytic activity compared to those prepared by the conventional co-precipitation method. (C) 2013 Elsevier B.V. All rights reserved.
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