Acid-base and catalytic properties of ZrO2-SnO2.
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概要
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The acid-base properties of ZrO<SUB>2</SUB>–SnO<SUB>2</SUB> with different compositions have been measured by the indicator method and the adsorption with NH<SUB>3</SUB> and CO<SUB>2</SUB> and the catalytic activities studied. The ZrO<SUB>2</SUB>–SnO<SUB>2</SUB> (atomic ratio=9 : 1) catalyst which was found to have the highest acid strength and the maximum acid amount exhibited the highest activities for the isomerization of cyclopropane and the dehydration of 2-butanol. The activities of the catalysts with different compositions for the two reactions correlated with the acidic properties. On the other hand, the activities for the isomerization of 1-butene and the decomposition of diacetone alcohol (4-hydroxyl-4-methyl-2-pentanone) correlated with the basic properties. The activity for the dehydrogenation of 2-butanol was found to increase with an increase of the SnO<SUB>2</SUB> content. The active sites on the ZrO<SUB>2</SUB>–SnO<SUB>2</SUB> catalysts are discussed.
- 公益社団法人 日本化学会の論文
著者
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Wang Gong-Wei
Department of Chemistry, Faculty of Science, Hokkaido University
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Hattori Hideshi
Department of Chemistry, Faculty of Science, Hokkaido University
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Tanabe Kozo
Department of Chemistry, Faculty of Science, Hokkaido University
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