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research article
The structure of ruthenium supported on titania: a catalyst for low-temperature methanation of carbon dioxide
1990
A structural analysis of the Ru—RuOx/TiO2 catalyst has been carried out. This catalyst is active for CO2 methanation at low temperatures. The preparation conditions are critical in generating the selective dispersion of the metallic particles on rutile crystallites in TiO2-P25. This distribution is limited to the most active samples (CH4 rate = 70 µl/h). On reducing the catalyst at 500°C, in 1 : 1 Ar + H2 for 1 h, Ru metal particles of not, vert, similar 5 nm have been obtained. These particles have a perfect bulk Ru hexagonal packing and clean surfaces.
Type
research article
Authors
Publication date
1990
Published in
Volume
34
Issue
1-2
Start page
66
End page
72
Peer reviewed
REVIEWED
Available on Infoscience
February 21, 2006
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