An oxygen storing material with high thermal stability and a...

Details An oxygen storing material with high thermal stability and a... An oxygen storing material with high thermal stability and a...

B - Operations, Transporting

01

J

B01J 23/10 (2006.01) B01D 53/94 (2006.01) B01J 20/06 (2006.01) C01B 13/02 (2006.01) B01J 35/10 (2006.01)

Patent

CA 2234348

The invention relates to an oxygen storing material with high thermal stability which contains cerium oxide and at least one stabiliser from the group praseodymium oxide, lanthanum oxide, yttrium oxide and neodymium oxide. The stabiliser(s) and optionally cerium oxide are present in highly dispersed form on the specific surface area of a high surface area support material from the group aluminium oxide, zirconium oxide, titanium oxide, silicon dioxide, cerium oxide and mixed oxides thereof, and the oxygen storing material still has a specific surface area of more than 20, preferably more than 30 m2/g, after calcination in air at 900°C for a period of 10 hours.

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