Design and preparation of high-surface-area Cu/ZnO/Al2O3 catalysts using a modified co-precipitation method for the water-gas shift reaction
- Title
- Design and preparation of high-surface-area Cu/ZnO/Al2O3 catalysts using a modified co-precipitation method for the water-gas shift reaction
- Other Titles
- ZnO
- Author
- 서영웅
- Keywords
- Cu/ZnO/Al2O3; Water-gas shift; Co-precipitation; Aurichalcite; Ethylene glycol
- Issue Date
- 2013-07
- Publisher
- Elsevier Science B.V., Amsterdam.
- Citation
- Applied Catalysis A: General, 2013, 462-463, P.220-226
- Abstract
- 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.
- URI
- https://www.sciencedirect.com/science/article/pii/S0926860X1300269X?via%3Dihubhttp://hdl.handle.net/20.500.11754/52420
- ISSN
- 0926-860X
- DOI
- 10.1016/j.apcata.2013.05.010
- Appears in Collections:
- COLLEGE OF ENGINEERING[S](공과대학) > CHEMICAL ENGINEERING(화학공학과) > Articles
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