Catalyst regeneration process

Details Catalyst regeneration process Catalyst regeneration process

C - Chemistry, Metallurgy

10

G

196/116

C10G 35/04 (2006.01) C10G 35/085 (2006.01) C10G 35/09 (2006.01)

Patent

CA 1174628

ABSTRACT OF THE DISCLOSURE A process for regenerating, and reactivating, coked noble metal catalysts, especially platinum-containing poly- metallic catalysts. A gas is employed for burning coke from the coked catalyst comprising an admixture of from about 0.1 percent to about 10 percent oxygen, and at least about 20 percent carbon dioxide. The higher heat capacity of the carbon dioxide permits the use of a higher oxygen content regeneration gas, particularly during the primary coke burn, as contrasted with the regeneration gas used in conventional catalyst regeneration processes which contain large amounts of nitrogen and flue gas as inert gases.

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