Low surface area alumina

Details Low surface area alumina Low surface area alumina

C - Chemistry, Metallurgy

01

F

252/116, 23/245

C01F 7/20 (2006.01) B01J 35/10 (2006.01) B01J 37/00 (2006.01) C01F 7/02 (2006.01) C04B 35/10 (2006.01)

Patent

CA 1043539

ABSTRACT OF THE DISCLOSURE High purity, low surface area strong alumina bodies are formed from finely particulate alumina by a self-bonding technique in which acid activated microcrystalline boehmite is employed to bond a finely divided alumina selected from the group consisting of predominately gibbsite, bayerite, alpha alumina and crystalline boehmite. A mix of the bond and the alumina is molded by extrusion or other similar forming technique, and fired to produce a body of alpha, kappa, delta or theta alumina, or a mixture thereof, having desireable porosity characteristics, for use as catalysts and catalyst carriers.

190989

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