| 摘要 |
PURPOSE:To prevent the release of Al at the time of supporting a principal catalytic metal on aluminosilicate by ion exchange and during use as a catalyst. CONSTITUTION:A co-catalytic metal selected from among Ga, In, B, Mn, Bi, Sc, Y and Mg is supported near Al in aluminosilicate and then a principal catalytic metal is supported on the aluminosilicate by ion exchange. |
