Abstract:
Isomerizable hydrocarbons including paraffins, cycloparaffins, olefins and alkylaromatics are isomerized by contacting the hydrocarbon at isomerization conditions with a catalytic composite of alumina having combined therewith a platinum group metallic component, a halogen component and a rhenium component.
Abstract:
A HYDROCARBONACEOUS BLACK OIL IS CONVERTED TO FUEL OIL IN A PLURALITY OF CATALYTIC CONVERSION ZONES. THE FIRST ZONE, CONTAINING A CTALYTIC COMPOSITE OF AN ALUMINA-CONTAINING CARRIER MATERIAL, A BISMUTH COMPONENT AND A GROUP VI-B COMPONENT, FUNCTIONS TO PRODUCE A HYDROCARBON STREAM CONTAINING FROM 1.0% TO ABOUT 2.0% BY WEIHT OF SULFUR, AND PREFERABLY FROM ABOUT 1.30% TO ABOUT 1.70% BY WEIGHT. THE SUBSEQUENT CONVERSION ZONE, CONTAINING A CATALYTIC COMPOSITE OF A SILICEOUS CARIER MATERIAL, A GROUP VIII METAL COMPONENT AND A GROUP VI-B METAL COMPONENT, EFFECTS FURTHER DESULFURIZATION TO A LEVEL OF ABOUT 1.0% BY WEIGHT, OR LESS, THE LIMITATION CURRENTLY PLACED ON HYDROCARBONACEOUS MATERIAL UTILIZED AS FUEL OIL.