Stabilized rhenium catalyst

Details Stabilized rhenium catalyst Stabilized rhenium catalyst

B - Operations, Transporting

01

J

252/45, 252/94

B01J 23/36 (2006.01) B01D 53/94 (2006.01) B01J 21/00 (2006.01)

Patent

CA 1067882

ABSTRACT OF THE DISCLOSURE This disclosure teaches a stabilized rhenium catalyst, useful for decreasing the nitrogen oxides content of auto- mobile exhaust gases, in which the rhenium does not volatil- ize away from a catalyst substrate when oxidized to its higher valence state. The rhenium is protected by having sufficient refractory oxide available on the catalyst substrate to trap any higher oxide of rhenium developed when the rhenium is oxidized. - 1 -

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