Sulfiding of low platinum content catalyst

Claim 2

incorporating rhenium in the catalyst in an amount from 0.01 to 5 weight percent;

Claim 3

sulfiding the catalyst prior to use in the reforming process.

Claim 4

The process of claim 1 wherein said porous solid carrier is an inorganic oxide.

Claim 5

The process of claim 2 wherein said inorganic oxide is alumina.

Claim 6

prior to use in the reforming process, contacting the catalyst with flowing hydrogen at a temperature above about 500* F. for at least 0.1 hour;

Claim 7

discontinuing the sulfur addition; and

Claim 8

continuing the flow of hydrogen in contact with the catalyst for at least 0.1 hour.

Claim 9

adding a sulfur compound to the flowing hydrogen, the amount of sulfur being at least equal in moles of sulfur to the moles of the platinum and rhenium in the catalyst, calculated as the metals;

Claim 11

discontinuing the sulfur addition; and

Claim 12

In a reforming process wherein a naphtha feed containing less than about 10 p.p.m. sulfur is contacted, at reforming conditions including a temperature from 700* F. to 1,050* F. and a pressure from 25 to 1,000 p.s.i.g., in the presence of hydrogen with a catalyst consisting essentially of a metal component selected from the group consisting of platinum and platinum plus 0.001 to 1 weight percent iridium and a porous solid carrier to produce a high-octane gasoline product, the improved method of obtaining a low fouling rate during the process, which comprises:

Claim 13

continuing the flow of hydrogen in contact with the catalyst for at least 0.1 hour.

Claim 14

The process of claim 4 wherein the metal component is about 0.01- 0.3 weight percent platinum plus 0.001 to 1 weight percent iridium.