Catalytic reforming process

Details Catalytic reforming process Catalytic reforming process

C - Chemistry, Metallurgy

10

G

196/197

C10G 35/09 (2006.01)

Patent

CA 1204694

ABSTRACT OF THE DISCLOSURE A catalyst pretreat procedure wherein a copper, selenium, or sulfur promoted platinum-iridium catalyst, preferably a platinum-iridium-selenium catalyst, is contacted with dry hydrogen at a temper- ature ranging from about 600°F - 1000°F, at a hydrogen partial pressure ranging from about 1 - 40 atmospheres at a flow rate sufficient to maintain the moisture level below about 500 parts per million parts by volume of gas in the exit gas stream, for a period of time ranging at least about 16 hours, preferably at least 16 hours to about 200 hours. Treatment of these catalysts at such conditions will provide a selectivity advantage ranging from about 1 to 2 (LV%) higher than a catalyst otherwise similar but not pretreated in this manner.

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