Preparation of spheroidal alumina particles

Details Preparation of spheroidal alumina particles Preparation of spheroidal alumina particles

C - Chemistry, Metallurgy

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C01F 7/02 (2006.01) B01J 2/28 (2006.01) B01J 21/04 (2006.01) B01J 35/08 (2006.01) B01J 37/00 (2006.01) C01F 7/48 (2006.01) C08F 4/12 (2006.01)

Patent

CA 1055918

ABSTRACT OF THE DISCLOSURE A process for preparing aluminum oxide beads from alumina hydrogel, which comprises polymerizing, in a hot and substantially water-immiscible fluid, an aqueous mixture comprising alumina hydrogel and alumina hydrosol and a water-soluble monomer whose uncross- linked polymer is water-soluble or forms a gel, this mixture being dispersed as droplets into a hot fluid in which substantial polymerization of the monomer occurs. The beads are useful as catalysts and catalyst supports in polymeric reactions.

220105

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