Abstract:
A two-stage hydrocracking process for the conversion of heavy hydrocarbon fractions containing at least 50 p.p.m. nitrogen into lighter products using in both stages a catalyst containing a hydrogenating component supported on a mixture of a modified crystalline zeolite and at least one amorphous inorganic oxide.
Abstract:
SIMULTANEOUS PRODUCTION OF HIGH QUALITY MOTOR AND JET FUELS IS ACCOMPLISHED BY PASSING A HYDROCARBON FEED THROUGH A HYDROTREATING ZONE, REMOVING MOTOR FUEL AND JET FUEL FROM THE EFFLUENT, PASSING A FRACTION BOILING ABOVE THE JET FUEL RANGE TO A HYDROCACKING ZONE, RECOVERING FROM THE HYDROCRACKING ZONE EFFLUENT A HIGH QUALITY MOTOR FUEL AND RECYCLING THE JET FUEL AND HEAVIER FRACTION TO THE HYDROTREATING ZONE.
Abstract:
A TWO-STAGE HYDROCRACKING PROCESS IN WHICH A HYDROCARBON CHARGE STOCK WHICH MAY CONTAIN MORE THAN 1000 P.P.M. NITROGEN IS HYDROCRACKED IN A FIRST STAGE CONTAINING A SULFIDED NICKEL TUNGSTEN ON A SUPPORTED COMPOSED OF AT LEAST ONE AMORPHOUS INORGANIC OXIDE AND A MODIFIED CRYSTALLINE ZEOLITE AND THAT PORTION OF THE PRODUCT BOILING ABOVE THE MOTOR FUEL RANGE IS HYDROCRACKED IN A SECOND STAGE CONTAINING A NOBLE METAL CATALYST.