High surface area zirconia

Details High surface area zirconia High surface area zirconia

B - Operations, Transporting

01

J

B01J 21/06 (2006.01) B01J 27/16 (2006.01) B01J 37/08 (2006.01) C01G 25/02 (2006.01) C07C 1/04 (2006.01)

Patent

CA 2043320

High surface area zirconia, having a surface area after calcination, is obtainable by a process comprising aging zirconium hydroxide in the presence of an acid of an element of Group V or VI of the Periodic Table of Elements and calcining the zirconium material so-obtained. The preferred acid is phosphoric acid, in particular orthophosphoric acid. A high surface area zirconia is provided having a surface area of at least 180m2/g after calcination at a temperature of 300 °C.

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