Cu-doped ZrO2 aerogel: A novel catalyst for CO hydrogenation to CH3OH View Full Text


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Article Info

DATE

1994-04

AUTHORS

Y. Sun, P. A. Sermon

ABSTRACT

Sol-gel derived Cu/ZrO2 aerogels have been prepared and then their potential for CO hydrogenation towards methanol has been explored. These aerogels had very high surface areas (i.e. up to 250 m2 g-1) even after reduction in H2 at 573 K. X-ray diffraction and transmission electron microscopy showed that fresh aerogels were amorphous and composed of clusters of particles below 5 nm in size. A fraction of these primary particles grew to about 10 nm after 24 h of the catalysed reaction. The fresh aerogel was very active and stable in this methanol synthesis reaction. A relatively strong interaction of the support with the Cu is indicated by TPR and this appears to correlate well with the high activity shown. Certainly, the high activity was not simply attributable to the high surface area of such aerogel samples. More... »

PAGES

145-151

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/bf01379584

DOI

http://dx.doi.org/10.1007/bf01379584

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1015851517


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