Catalyst additives for the removal of nh3 and hcn from a gas...

Details Catalyst additives for the removal of nh3 and hcn from a gas... Catalyst additives for the removal of nh3 and hcn from a gas...

C - Chemistry, Metallurgy

10

G

C10G 11/18 (2006.01) B01J 23/46 (2006.01) C10G 11/05 (2006.01)

Patent

CA 2528286

In the regeneration of a cracking catalyst in a regeneration zone operated in a partial combustion mode, NH3 and HCN in the regenerator flue gas are reduced by incorporating into the regenerator precious metals such as ruthenium, rhodium, iridium, or mixtures thereof.

Dans la régénération d'un catalyseur de craquage se trouvant dans une zone de régénération exploitée en mode de combustion partielle, la teneur en NH¿3? et en HCN d'un effluent gazeux du régénérateur est réduite par l'incorporation dans le régénérateur de métaux précieux, comme le ruthénium, le rhodium, l'iridium ou des mélanges de ceux-ci.

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