Process for demetallation and desulfurization of heavy hydrocarbons
Patent
·
OSTI ID:6775052
A process is described for the hydrodemetallation, hydrodesulfurization and hydrocracking of a hydrocarbon feedstock containing asphaltenes, metals, and Shell hot filtration solid precursors and the conversion of at least 30 vol.% of the feedstock fraction boiling over 1,000/sup 0/F to material boiling below 1,000/sup 0/F. The process comprises contacting the feedstock in at least one ebullated bed reaction zone with hydrogen and a hydrocracking catalyst comprising a Group VIB metal component and a cobalt component on a porous inorganic oxide support. The Group VIB metal is present in an amount ranging from bout 3.5 to about 5.0 wt.% calculated as an oxide and based on total catalyst weight. The cobalt is present in an amount ranging from about 0.4 to about 0.8 wt.% calculated as an oxide and based on total catalyst weight. The catalyst has a surface area of about 150 to about 220 m/sup 2//gm, a total pore volume of about 0.85 to about 1.5 cc/gm, and a pore volume in pores having diameters larger than 1,200 A of about 0.15 to about 0.4 cc/gm.
- Assignee:
- Amoco Corp., Chicago, IL
- Patent Number(s):
- US 4657665
- OSTI ID:
- 6775052
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
04 OIL SHALES AND TAR SANDS
040404* -- Oil Shales & Tar Sands-- Purification
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400201 -- Chemical & Physicochemical Properties
ASPHALTENES
ASPHALTS
BITUMENS
BOILING POINTS
CATALYSTS
CATALYTIC EFFECTS
CHEMICAL REACTIONS
COBALT COMPOUNDS
CRACKING
DECOMPOSITION
DEMETALLIZATION
DESULFURIZATION
ELEMENTS
HIGH TEMPERATURE
HYDROCARBONS
HYDROCRACKING
HYDROGEN
METALS
NONMETALS
ORGANIC COMPOUNDS
OTHER ORGANIC COMPOUNDS
PHYSICAL PROPERTIES
POROSITY
PYROLYSIS
QUANTITY RATIO
SEPARATION PROCESSES
SURFACE AREA
SURFACE PROPERTIES
TAR
THERMOCHEMICAL PROCESSES
THERMODYNAMIC PROPERTIES
TRANSITION ELEMENT COMPOUNDS
TRANSITION TEMPERATURE
VISCOSITY
040404* -- Oil Shales & Tar Sands-- Purification
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400201 -- Chemical & Physicochemical Properties
ASPHALTENES
ASPHALTS
BITUMENS
BOILING POINTS
CATALYSTS
CATALYTIC EFFECTS
CHEMICAL REACTIONS
COBALT COMPOUNDS
CRACKING
DECOMPOSITION
DEMETALLIZATION
DESULFURIZATION
ELEMENTS
HIGH TEMPERATURE
HYDROCARBONS
HYDROCRACKING
HYDROGEN
METALS
NONMETALS
ORGANIC COMPOUNDS
OTHER ORGANIC COMPOUNDS
PHYSICAL PROPERTIES
POROSITY
PYROLYSIS
QUANTITY RATIO
SEPARATION PROCESSES
SURFACE AREA
SURFACE PROPERTIES
TAR
THERMOCHEMICAL PROCESSES
THERMODYNAMIC PROPERTIES
TRANSITION ELEMENT COMPOUNDS
TRANSITION TEMPERATURE
VISCOSITY