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Nickel catalysts promote the reaction of hydrogen transfer involving an organic hydrogen donor (isopropyl alcohol) and an acceptor (cyclohexanone). We found that Neobead D exhibited high activity this reaction. Therefore, catalytic activities of solid oxide catalysts such as silica-alumina (Fig. 3) alkalitreated silica-alumina (Fig. 5) and magnesium or calcium oxide supported on Neobead C (alumina) (Figs. 7, 8) were examined. Moreover, the acidities, basicities and acid and base strengths of these catalysts at various compositions were measured (Figs. 4, 6, 9, 10). The results indicated that the catalytic activity for this reaction depended on both the acid and base sites on the surface of the solid oxide catalyst involved. Very strong or very weak acidity and basicity lessened the catalytic activity. Acid and base sites of moderated strengths were effective for this reaction.
- 公益社団法人 石油学会の論文
公益社団法人 石油学会 | 論文
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