ZnO and ZrO, has been produced under basic conditions. Hydrozincite, precipitated from a zinc acetate solution under alkaline conditions (after drying and calcination) transformed to ZnO,. This oxygen-deficient solid only reduced marginally in 5 kPa H, at a maximum rate at 770 K, as confirmed by a Z
Characteristics and catalytic properties of La-modified ZrO2supported cobalt catalysts in CO hydrogenation
β Scribed by Soipatta Soisuwan; Benjamas Netiworaruksa; Channarong Charoendechanukor; Tassanee Tubcharoen; Joongjai Panpranot; Piyasan Praserthdam
- Publisher
- Springer-Verlag
- Year
- 2011
- Tongue
- English
- Weight
- 520 KB
- Volume
- 103
- Category
- Article
- ISSN
- 1878-5190
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π SIMILAR VOLUMES
## Abstract A series of cobaltβmolybdenumβalumina catalysts was fabricated using as carriers Ξ»βAl~2~O~3~ doped with various amounts of sodium. Over these surfaces the H.D.S. of thiophene has been studied. A considerable decrease in the catalytic activity was observed with increasing Na^Β±^ content.
CeO 2 -ZrO 2 solid solution was supported on Si-modified alumina (Ce-Zr-O/Si-Al 2 O 3 ) by the reverse microemulsion method. Its structure, thermal stability, and oxygen release capacity were studied by N 2 adsorption, XRD, TPR, Raman spectroscopy, and XPS. The crystalline phase of Ce-Zr-O on Si-Al