Recracking of cat naphtha for maximizing light olefins yields

Details Recracking of cat naphtha for maximizing light olefins yields Recracking of cat naphtha for maximizing light olefins yields

C - Chemistry, Metallurgy

10

G

C10G 11/18 (2006.01)

Patent

CA 2220794

A process for increasing the yield of C3 and C4 olefins by injecting light cat naphtha together with steam into an upstream reaction zone of a FCC riser reactor. The products of the upstream reaction zone are conducted to a downstream reaction zone and combined with fresh feed in the downstream reaction zone.

Méthode pour augmenter le rendement en oléfines C3 et C4 par injection de naphtas légers de craquage catalytique avec de la vapeur dans une zone de réaction en amont d'un réacteur à colonne montante de FCC. Les produits de cette zone sont amenés jusqu'à une zone de réaction en aval, et combinés avec une alimentation fraîche dans la zone de réaction en aval.

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