Use of anionic clay in an fcc process

Details Use of anionic clay in an fcc process Use of anionic clay in an fcc process

B - Operations, Transporting

01

J

B01J 29/04 (2006.01) C10G 11/05 (2006.01)

Patent

CA 2613470

Use in a fluid catalytic cracking process of a catalyst or a catalyst additive comprising an anionic clay or its thermally treated form, said anionic clay comprising at least 0.5 wt% of potassium, calculated as K2O and based on the weight of potassium-containing anionic clay. By using such a catalyst or additive, the SOx emissions from the regenerator of an FCC unit can be reduced.

L'invention concerne l'utilisation, dans un procédé de craquage catalytique fluide, d'un catalyseur ou d'un additif catalytique comprenant une argile anionique ou cette argile sous forme traitée thermiquement, ladite argile anionique comprenant au moins 0,5 % en poids de potassium, calculé en tant que K2O et par rapport au poids de l'argile anionique contenant du potassium. L'utilisation d'un tel catalyseur ou additif permet de réduire les émissions de SOx du régénérateur d'une unité FCC.

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