Aluminum oxide catalyst supports from alumina sols

Details Aluminum oxide catalyst supports from alumina sols Aluminum oxide catalyst supports from alumina sols

B - Operations, Transporting

01

J

B01J 32/00 (2006.01) B01D 53/94 (2006.01) B01J 21/04 (2006.01) B01J 35/04 (2006.01) B01J 37/02 (2006.01) B05D 3/02 (2006.01) B01D 53/36 (1990.01)

Patent

CA 2115041

2115041 9303840 PCTABS00020 This invention is directed to a method of providing a channeled substrate with a porous washcoat used as a supporting structure for a catalyst. The substrate is coated with a reactive mixture made of components comprising aluminum alkoxide, water, and acid or the alkoxide in an alcohol. The aluminum alkoxide contains hydrolyzable alkoxy groups and has the chemical formula: Al(OR)3, wheere R is an alkyl or branched alkyl group of 3 to 6 carbon atoms. The method also includes drying and calcining the coating to form a .gamma.-alumina washcoat.

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