High severity process for the production of aromatic...

Details High severity process for the production of aromatic... High severity process for the production of aromatic...

C - Chemistry, Metallurgy

10

G

260/683.9

C10G 35/04 (2006.01) C10G 59/02 (2006.01)

Patent

CA 1109082

ABSTRACT OF THE DISCLOSURE Disclosed is a process for the production of high- purity C6 to C8 aromatic hydrocarbons in high yield from a naphtha feed fraction by high-severity catalytic reforming, using a halogen promoted reforming catalyst, and fractional distillation. The process comprises reforming the naphtha feed under reforming conditions of high severity in a plura- lity of sequentially arranged reaction zones in which the concentration of the halogen component of the reforming catalyst is adjusted to provide a minimal hydrocracking acti- vity relative to the other reforming reactions to the catalyst in the first reaction zones, and an enhanced hydrocracking activity to the catalyst in the last reaction zones.

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