Basic mixed oxide

Details Basic mixed oxide Basic mixed oxide

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B01J 21/04 (2006.01) B01J 21/10 (2006.01) B01J 21/16 (2006.01) B01J 37/00 (2006.01) C07C 45/72 (2006.01) C07C 45/74 (2006.01) C07C 47/21 (2006.01) C07C 49/203 (2006.01) C07C 49/603 (2006.01) B01J 23/00 (2006.01)

Patent

CA 2026569

Basic mixed oxides useful for base catalyzed reactions such as the aldol condensation of acetone and also useful as catalyst supports are made by mixing an acid such as nitric acid or acetic acid with Pseudoboehmite to form a gel, adding magnesium oxide or hydroxide, in a ratio of magnesium to aluminum of about 1:1 to about 10:1, agitating and heating for about 1 to 24 hours, and subsequently drying and calcining. The resulting polymorphic magnesium-aluminum oxide composition is highly effective in the aldol condensation of acetone to isophorone, and other base catalyzed reactions such as isomerization of olefins, aldol condensation of aldehydes.

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