Abstract:
HIGHLY DISPERSED ALLOY MATERIALS OF NICKEL AND MOLYBDENUM AND/OR TUNGSTEN HAVING A VERY HIGH SURFACE AREA ARE MADE BY THE CONTROLLED REDUCTION OF A MXTURE OF COMPOUNDS OF THE METALS IN A REDUCING ATMOSPHERE. THESE ALLOYS AND THEIR SULFIDES ARE USEFUL IN CATALYSIS SUCH AS HYDROCRACKING, HYDROGENATION-DEHYDROGENATION AND HYDROISOMERIZATION.
Abstract:
ISOMERIZABLE HYDROCARBONS ARE ISOMERIZED USING A CATALYTIC COMPOSITE COMPRISING A COMBINATION FO A PLATINUM GROUP COMPONENT AND A TIN COMPONENT WITH A POROUS CARRIER MATERIAL. A CATALYTIC COMPOSITE COMPRISING A PLATINUM GROUP METALLIC COMPONENT, A TIN COMPONENT AND A FRIEDEL-CRAFTS METAL HALIDE COMPONENT COMBINED WITH A REFRACTORY INORGANIC OXIDE IS ALSO DISCLOSED.
Abstract:
ISOMERIZABLE HYDROCARBONS ARE ISOMERIZED USING A CATALYTIC COMPOSITE COMPRISING A COMBINATION OF A PLATINUM GROUP COMPONENT AND A LEAD COMPONENT UNIFORMLY DISTRIBUTED THROUGHOUT A POROUS CARRIER MATERIAL WHEREIN THE CATALYTIC COMPOSITE CONTAINS, ON AN ELEMENTAL BASIS, ABOUT 0.01 TO ABOUT 2 WT. PERCENT PLATINUM GROUP COMPONENT AND LEAD IN AN ATOMIC RATIO OF LEAD TO PLATINUM GROUP COMPONENT OF FROM ABOUT 0.05:1 TO ABOUT 0.9:1. A CATALYTIC COMPOSITE COMPRISING A REFRACTORY INORGANIC OXIDE COMBINED WITH A FRIEDEL-CRAFTS METAL HALIDE AND HAVING UNIFORMLY DISPERSED THEREWITH A PLATINUM GROUP COMPONENT AND A LEAD COMPONENT IS ALSO DISCLOSED.
Abstract:
A catalytic slurry process for effecting the conversion of a hydrocarbonaceous charge stock containing asphaltenes, metallic contaminants and excessive quantities of sulfurous compounds. The slurry constitutes the charge stock, hydrogen and from about 1.0 percent to about 25.0 percent by weight of finely divided catalyst particles. The charge stock is converted by processing the slurry in at least two individual reaction zones having separation facilities therebetween. That portion of the first reaction zone product effluent containing the catalyst particles and unconverted nondistillables is processed in a succeeding reaction zone. At least the major portion of the product effluent from the succeeding reaction zone is recycled to combine with the fesh feed charge stock. Preferred catalysts are the unsupported sulfides of the metals from Groups V-B, VI-B and VIII.
Abstract:
A CATALYST FOR OXIDIZING OLEFINS TO PRODUCE UNSATURATED ALDEHYDES AND MONOCARBOXYLIC ACIDS WHICH COMPRISES OXIDES OF NICKEL, CHROMIUM, MOLYBDENUM AND TELLURIUM IN A MOLAR RATIO OF 0.5-5 NICKEL, 0.5-2 CHROMIUM, 0.5-4 TELLURIUM AND MOLYBDENUM IN AN AMOUNT SUCH THAT THE RATIO OF NICKEL TO MOLYBDENUM IS FROM 0.1 TO LESS THAN 1.