Two-catalyst hydrocracking process

Patent · Tue Dec 02 04:00:00 EST 1975

OSTI ID:7274936

Bertolacini, R J; Gutberlet, L C; Kozinski, A A

The process comprises contacting a feedstock which boils above about 350/sup 0/F, and which contains nitrogen in an amount within the range of about 1 ppm to about 3,000 ppm in a feed-preparation zone in the presence of hydrogen and under hydrodenitrogenation conditions with a hydrodenitrogenation catalyst to obtain a denitrogenated effluent, and contacting at least a portion of the denitrogenated effluent in a hydrocracking zone in the presence of hydrogen and under hydrocracking conditions with a hydrocracking catalyst to obtain a hydrocracked effluent. The hydrodenitrogenation catalyst comprises as a hydrogenation component a Group VIA metal and Group VIII metal and/or their compounds and a cocatalytic acidic support comprising a large-pore crystalline aluminosilicate material and a refractory inorganic oxide. The hydrocracking catalyst comprises as a hydrogenation component a Group VIA metal and a Group VIII metal and/or their compounds, and an acidic support of large-pore crystalline aluminosilicate material. For both hydrodenitrogenation catalyst and the hydrocracking catalyst, the preferred hydrogenation component comprises nickel and tungsten and/or their compounds and the preferred large-pore crystalline aluminosilicate material is ultrastable, large-pore crystalline aluminosilicate material. The preferred process is a single-stage process.

• Assignee: Standard Oil Co.
• Patent Number(s): US 3923638
• OSTI ID: 7274936
• Country of Publication: United States
• Language: English

Related Subjects

02 PETROLEUM
020400* -- Petroleum-- Processing
ALUMINIUM COMPOUNDS
ALUMINIUM SILICATES
CATALYTIC EFFECTS
CHEMICAL REACTIONS
CRACKING
DECOMPOSITION
DENITRIFICATION
ELEMENTS
ENERGY SOURCES
FOSSIL FUELS
FUELS
HYDROCRACKING
HYDROGENATION
METALS
NICKEL
OXYGEN COMPOUNDS
PETROLEUM
PYROLYSIS
REFRACTORY METALS
SILICATES
SILICON COMPOUNDS
TRANSITION ELEMENTS
TUNGSTEN