Methods to be used in reforming processes employing multi-metall

Details Methods to be used in reforming processes employing multi-metall Methods to be used in reforming processes employing multi-metall

1975-10-09

1977-09-13

Gantz, Delbert E.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Reforming

208139, 252439, C10G 3508, B01J 2702

Patent

active

040480585

ABSTRACT:
There are disclosed a method for sulfiding a multi-metallic catalyst or a bi-metallic catalyst and a method for initiating the reforming of a petroleum hydrocarbon feedstock in a reforming reaction zone containing a multi-metallic catalyst or a bi-metallic catalyst.
The method for sulfiding is employed when a hydrogen-rich gas containing light hydrocarbons is used in the sulfiding of the catalyst. The method comprises passing a stream of said gas over said catalyst at a temperature of about 350.degree. F. to about 470.degree. F., injecting a sulfur-containing compound into the stream of gas up-stream from said catalyst in order to provide a sulfur-carrying gas, and contacting said catalyst with said sulfur-carrying gas at said temperature for a time that is sufficient to provide a sulfur concentration on said catalyst of about 0.1 to about 2.5 moles of sulfur per mole of total active metal. A typical sulfur-containing compound is dimethyl sulfide.

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