Process for the catalytic cracking of vandium- containing feedstocks
Patent
·
OSTI ID:7180652
This patent describes a process for the catalytic cracking of a vanadium-containing hydrocarbon feedstock. The process comprises contacting the hydrocarbon feedstock with a cracking catalyst under cracking conditions in the substantial absence of added molecular hydrogen in a cracking zone to convert components of the feedstock into lower molecular weight constituents. The cracking catalyst comprises: a crystalline aluminosilicate zeolite dispersed in a matrix; and a vanadium passivating agent selected from the group consisting of cerium and neodymium and compounds thereof.
- Assignee:
- Union Oil Co. of California, Los Angeles, CA
- Patent Number(s):
- A; US 4900428
- Application Number:
- PPN: US 6-906327A
- OSTI ID:
- 7180652
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
02 PETROLEUM
020400* -- Petroleum-- Processing
ALUMINIUM COMPOUNDS
ALUMINIUM SILICATES
CATALYSTS
CATALYTIC CRACKING
CHALCOGENIDES
CHEMICAL REACTIONS
CRACKING
DECOMPOSITION
ELEMENTS
ENERGY SOURCES
FOSSIL FUELS
FUELS
HYDROCARBONS
HYDROGEN
INORGANIC ION EXCHANGERS
ION EXCHANGE MATERIALS
MATERIALS
MINERALS
NONMETALS
ORGANIC COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
PASSIVATION
PETROLEUM
PYROLYSIS
RARE EARTH COMPOUNDS
SILICATES
SILICON COMPOUNDS
THERMOCHEMICAL PROCESSES
TRANSITION ELEMENT COMPOUNDS
VANADIUM COMPOUNDS
ZEOLITES
020400* -- Petroleum-- Processing
ALUMINIUM COMPOUNDS
ALUMINIUM SILICATES
CATALYSTS
CATALYTIC CRACKING
CHALCOGENIDES
CHEMICAL REACTIONS
CRACKING
DECOMPOSITION
ELEMENTS
ENERGY SOURCES
FOSSIL FUELS
FUELS
HYDROCARBONS
HYDROGEN
INORGANIC ION EXCHANGERS
ION EXCHANGE MATERIALS
MATERIALS
MINERALS
NONMETALS
ORGANIC COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
PASSIVATION
PETROLEUM
PYROLYSIS
RARE EARTH COMPOUNDS
SILICATES
SILICON COMPOUNDS
THERMOCHEMICAL PROCESSES
TRANSITION ELEMENT COMPOUNDS
VANADIUM COMPOUNDS
ZEOLITES