High purity alumina bodies

Details High purity alumina bodies High purity alumina bodies

C - Chemistry, Metallurgy

04

B

25/143, 261/2, 2

C04B 35/10 (2006.01) B01J 21/04 (2006.01) C01F 7/02 (2006.01)

Patent

CA 1186701

- 34 - Abstract of the Disclosure High purity alpha-alumina bodies useful as catalyst supports are made by peptizing boehmite alumina in an acidic mixture containing flouride anions, extruding the peptized alumina into shaped bodies and drying and calcining the bodies. The alpha-alumina bodies are charactrized by a narrow pore-size distribution. having 85 percent of the total pore volume comprising pores of a diameter of from 10,000 to 200,000 Angstroms and by a surface area of less than one square meter per gram.

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