Acidic properties of SiO2-MoO3 and MoO3, and their catalytic activities.
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概要
- 論文の詳細を見る
MoO<SUB>3</SUB>, SiO<SUB>2</SUB>, and SiO<SUB>2</SUB>–MoO<SUB>3</SUB> of different compositions were prepared and their surface and catalytic properties examined. A large number of acid sites were generated by mixing SiO<SUB>2</SUB> with MoO<SUB>3</SUB>, while each component oxide by itself did not exhibit any appreciable acidic properties. The oxidizing property of MoO<SUB>3</SUB> was enhanced by mixing with SiO<SUB>2</SUB>. No new compounds were detected in the oxide mixture by X-ray diffraction. The activity for depolymerization of 2,4,6-trimethyl-1,3,5-trioxane correlated well with the surface acidity. In the isomerization of 1-butene, both MoO<SUB>3</SUB> and SiO<SUB>2</SUB>–MoO<SUB>3</SUB> were active. The active sites on MoO<SUB>3</SUB> were poisoned by CO<SUB>2</SUB> but not by NH<SUB>3</SUB>, while those on SiO<SUB>2</SUB>–MoO<SUB>3</SUB> were poisoned by NH<SUB>3</SUB> but not by CO<SUB>2</SUB>.
- 公益社団法人 日本化学会の論文
著者
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Hattori Hideshi
Department of Chemistry, Faculty of Science, Hokkaido University
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Maruyama Kazumasa
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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