Patent ID: 6221805
Filing Date: 2001-04-24
Classification: B01D,B01J,Y02T

Abstract:
A catalyst support, comprising:a composite oxide powder containing aluminum and at least one metallic element in addition to the aluminum selected from the group consisting of metallic elements of group IIa in the periodic table of the elements, metallic elements of group IIIa therein, metallic elements of group IVa therein, metallic elements of group Va therein, metallic elements of group VIa therein, metallic elements of group VIIa therein, metallic elements of group IIb therein, Ga, Si, Ge, Sn and noble metal elements, wherein the composite oxide powder is hollow and amorphous, produced by spraying and burning a W/O type emulsion, the W/O type emulsion including an aqueous solution dispersed in an organic solvent, the aqueous solution containing the aluminum and the at least one metallic element in addition to the aluminum.