Catalytic cracking catalysts for high octane gasoline products
Patent
·
OSTI ID:6305950
This patent describes a cracking catalyst comprising a zeolite aluminosilicate having a mole ratio of oxides in the dehydrated state of (0.85-1.1)M/sub 2/n/O:Al/sub 2/O/sub 3:x/SiO/sub 2/ ''M'' is a cation having a valence of ''n;'' ''x'' has a value greater than 6.0 to about 7.0, has an x-ray powder diffraction pattern having at least the d-spacing of Table A; has extraneous silicon atoms in the crystal lattice in the form of framework SiO/sub 4/ tetrahedra; an inorganic oxide matrix; has an effective amount between greater than zero to less than 5 weight percent, based on weight percent, based on the weight of the aluminoscilate employed in the catalyst, expressed as the oxide, of at least one rare earth cation selected from the group consisting of cerium, lanthanum, praseodymium, neodymium, promethium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium and lutetium; and less than 1.2 weight percent Na/sub 2/O based on the wright of the aluminosilicate employed in the catalyst.
- Assignee:
- Union Carbide Corp., Danbury, CT
- Patent Number(s):
- US 4678765
- OSTI ID:
- 6305950
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
02 PETROLEUM
020400* -- Petroleum-- Processing
ALKANES
ALUMINIUM COMPOUNDS
ALUMINIUM SILICATES
ANTIKNOCK RATINGS
CATALYSTS
CATALYTIC CRACKING
CATALYTIC EFFECTS
CERIUM COMPOUNDS
CERIUM OXIDES
CHALCOGENIDES
CHEMICAL REACTIONS
COHERENT SCATTERING
CRACKING
DECOMPOSITION
DEHYDRATION
DIFFRACTION
EUROPIUM COMPOUNDS
EUROPIUM OXIDES
FUELS
GASOLINE
HYDROCARBONS
INORGANIC ION EXCHANGERS
ION EXCHANGE MATERIALS
LANTHANUM COMPOUNDS
LANTHANUM OXIDES
LIQUID FUELS
MATERIALS
MINERALS
NEODYMIUM COMPOUNDS
NEODYMIUM OXIDES
OCTANE
ORGANIC COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
PETROLEUM PRODUCTS
PRASEODYMIUM COMPOUNDS
PRASEODYMIUM OXIDES
PROMETHIUM COMPOUNDS
PROMETHIUM OXIDES
PYROLYSIS
QUANTITY RATIO
RARE EARTH COMPOUNDS
SAMARIUM COMPOUNDS
SAMARIUM OXIDES
SCATTERING
SILICATES
SILICON COMPOUNDS
SILICON OXIDES
THERMOCHEMICAL PROCESSES
X-RAY DIFFRACTION
ZEOLITES
020400* -- Petroleum-- Processing
ALKANES
ALUMINIUM COMPOUNDS
ALUMINIUM SILICATES
ANTIKNOCK RATINGS
CATALYSTS
CATALYTIC CRACKING
CATALYTIC EFFECTS
CERIUM COMPOUNDS
CERIUM OXIDES
CHALCOGENIDES
CHEMICAL REACTIONS
COHERENT SCATTERING
CRACKING
DECOMPOSITION
DEHYDRATION
DIFFRACTION
EUROPIUM COMPOUNDS
EUROPIUM OXIDES
FUELS
GASOLINE
HYDROCARBONS
INORGANIC ION EXCHANGERS
ION EXCHANGE MATERIALS
LANTHANUM COMPOUNDS
LANTHANUM OXIDES
LIQUID FUELS
MATERIALS
MINERALS
NEODYMIUM COMPOUNDS
NEODYMIUM OXIDES
OCTANE
ORGANIC COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
PETROLEUM PRODUCTS
PRASEODYMIUM COMPOUNDS
PRASEODYMIUM OXIDES
PROMETHIUM COMPOUNDS
PROMETHIUM OXIDES
PYROLYSIS
QUANTITY RATIO
RARE EARTH COMPOUNDS
SAMARIUM COMPOUNDS
SAMARIUM OXIDES
SCATTERING
SILICATES
SILICON COMPOUNDS
SILICON OXIDES
THERMOCHEMICAL PROCESSES
X-RAY DIFFRACTION
ZEOLITES