A Study of Water Influence on Carbon Monoxide Adsorption and Oxidation on Nanocrystals of: γ-Fe2O3, Au/Fe2O3 and MnxZn1-xFe2O4 |
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| Journal | Materials Science Forum (Volume 518) |
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| Volume | Recent Developments in Advanced Materials and Processes |
| Edited by | Dragan P. Uskokovic, Slobodan K. Milonjic and Dejan I. Rakovic |
| Pages | 85-90 |
| DOI | 10.4028/www.scientific.net/MSF.518.85 |
| Citation | V. Dondur et al., 2006, Materials Science Forum, 518, 85 |
| Online since | July, 2006 |
| Authors | V. Dondur, Nenad Radić, Boško Grbić, Miha Drofenik |
| Keywords | CO Adsorption, Ferrite, Oxidation, Supported Gold Catalysts |
| Abstract | In this paper the adsorption and oxidation of CO on nanocrystalline Au/γ-Fe2O3, Au/α- Fe2O3, γ-Fe2O3 and a series of mixed ferrite with MnxZn1-xFe2O4 composition are investigated. The catalysts were prepared by co-precipitation method and characterized using X-ray diffraction (XRPD), specific surface (BET), transition electron spectroscopy (TEM) and magnetization measurements. A temperature programmed desorption (TPD) study of the water and CO interaction with nanocrystalline adsorbents is presented. The catalytic activities towards CO oxidation increased in the following order: γ-Fe2O3 < MnxZn1-xFe2O4 < Au/γ-Fe2O3 . |
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