Hydrocarbon reforming process

Details Hydrocarbon reforming process Hydrocarbon reforming process

C - Chemistry, Metallurgy

10

G

196/189

C10G 35/06 (2006.01) C10G 35/09 (2006.01) C10G 35/22 (2006.01)

Patent

CA 1050917

ABSTRACT OF THE DISCLOSURE A process wherein the inherent hydrocracking activity of a platinum group metal-rhenium catalyst is reduced without permanently substantially damaging the desired hydrocarbon reforming activity and stability of the catalyst which comprises; (1) contacting a hydrocarbon feed containing from about 15 ppm. to 100 ppm. by weight of sulfur with the catalyst in the presence of hydrogen at hydrocarbon reforming conditions, provided that the total amount of sulfur entering the reaction zone during this contacting equals from about 0.5 moles to about 50 moles of sulfur per mole of rhenium in the catalyst; and (2) introducing a hydrocarbon chargestock containing less than about 10 ppm. by weight of sulfur into the reaction zone and contacting the hydrocarbon chargestock with the catalyst in the presence of hydrogen at hydrocarbon reforming conditions.

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