Two-stage catalytic process to produce lubricating oils
Patent
·
OSTI ID:6784822
A high viscosity index mineral lubricating oil is produced by processing a heavy hydrocarbon feedstock, e.g., a deasphalted residiuum in two (2) catalytic steps. The feedstock is first catalytically hydrocracked, hydrotreated then catalytically hydrogenated and can be fractionated and dewaxed to provide a finished product. Improved step (1) catalysts comprise at least one group vib metal, group viii metal and mixtures thereof on a support involving both silica-alumina and alumina.
- Assignee:
- Atlantic Richfield Co
- Patent Number(s):
- US 4238316
- OSTI ID:
- 6784822
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
02 PETROLEUM
020400* -- Petroleum-- Processing
CATALYSTS
CHEMICAL REACTIONS
CRACKING
DECOMPOSITION
ELEMENTS
HYDROCRACKING
LUBRICANTS
LUBRICATING OILS
METALS
MINERAL OILS
MOLYBDENUM
NICKEL
OILS
ORGANIC COMPOUNDS
OTHER ORGANIC COMPOUNDS
PETROLEUM PRODUCTS
PRODUCTION
PYROLYSIS
REFRACTORY METALS
THERMOCHEMICAL PROCESSES
TRANSITION ELEMENTS
TUNGSTEN
VISCOSITY
020400* -- Petroleum-- Processing
CATALYSTS
CHEMICAL REACTIONS
CRACKING
DECOMPOSITION
ELEMENTS
HYDROCRACKING
LUBRICANTS
LUBRICATING OILS
METALS
MINERAL OILS
MOLYBDENUM
NICKEL
OILS
ORGANIC COMPOUNDS
OTHER ORGANIC COMPOUNDS
PETROLEUM PRODUCTS
PRODUCTION
PYROLYSIS
REFRACTORY METALS
THERMOCHEMICAL PROCESSES
TRANSITION ELEMENTS
TUNGSTEN
VISCOSITY