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The kinetic patterns of CO oxidation on WO3 promoted with pt or pd
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2007 (English)In: Russian Journal of Physical Chemistry, ISSN 0036-0244, E-ISSN 1531-863X, Vol. 81, no 6, 874-877 p.Article in journal (Refereed) Published
Abstract [en]

The kinetic peculiarities of CO oxidation on WO3 promoted with Pt or Pd were studied. In the region of low catalyst activity (the degree of CO conversion below 20%), the reaction was found to be zero-order in CO and first-order in oxygen. In the high-activity region (CO conversion above 95%), the reaction order was first with respect to CO and zeroth with respect to oxygen. Hysteresis phenomena were observed for the r - c (O-2) and r - c (CO) dependences at certain temperatures. A reaction scheme combining the heterogeneous and heterogeneous-homogeneous mechanisms was suggested.

Place, publisher, year, edition, pages
2007. Vol. 81, no 6, 874-877 p.
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Engineering and Technology
URN: urn:nbn:se:uu:diva-139844DOI: 10.1134/S0036024407060076ISI: 000253705900007OAI: oai:DiVA.org:uu-139844DiVA: diva2:382208
Available from: 2010-12-30 Created: 2010-12-30 Last updated: 2010-12-30

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