A new metal oxide catalyst in alcohol condensation

The characteristics of a new ternary catalyst obtained from tin dioxide, cerium dioxide and rhodium oxide (Sn–Ce–Rh–O) are presented. The material is also used as a chemical gas sensor. The properties of this catalyst have been compared to the properties of pure tin dioxide. The Sn–Ce–Rh–O catalyst...

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Bibliographic Details
Published in:Applied catalysis. A, General General, 2001-06, Vol.214 (2), p.243-249
Main Authors: Teterycz, H, Klimkiewicz, R, Licznerski, B.W
Format: Article
Language:English
Subjects:
Catalysis
Catalyst
Catalytic reactions
Cerium dioxide
Chemistry
Dipropylketone
Exact sciences and technology
General and physical chemistry
Ketonization
n-Butanol
Rhodium oxide
Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry
Tin dioxide
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Summary:The characteristics of a new ternary catalyst obtained from tin dioxide, cerium dioxide and rhodium oxide (Sn–Ce–Rh–O) are presented. The material is also used as a chemical gas sensor. The properties of this catalyst have been compared to the properties of pure tin dioxide. The Sn–Ce–Rh–O catalyst shows high activity and selectivity in the ketonisation of n-butanol. At the temperature of 350°C and 1 h −1 load, dipropylketone has been obtained with 89% selectivity at 88% n-butanol conversion. The catalytic material has a crystal structure of a rutile type. It is built from very small crystallites of 5 nm size on average. The distribution of particular components of the catalyst is homogeneous. The specific area of the Sn–Ce–Rh–O catalyst is 70 m 2/g.
ISSN:0926-860X
1873-3875
DOI:10.1016/S0926-860X(01)00499-9