Catalysts over steam activated zeolite catalyst
This patent describes a process for catalytically cracking a hydrocarbon feedstock to a conversion product comprising hydrocarbon compounds of lower molecular weight than the feedstock hydrocarbon compounds, which process comprises contacting the feedstock at cracking conditions with a catalyst composition prepared by the method which comprises forming a composite of a crystalline aluminosilicate zeolite having a silica:alumina ratio of at least about 250:1 and a Constraint Index from 1 to 12, a binder that contains alumina, and water, and contacting the composite with steam for at least one hour by heating the composite in the presence of water at a temperature from about 300/sup 0/ to 500/sup 0/C such that the pressure during steaming ranging between 100 to 500 kPa, to enhance the activity of the catalyst.
- Assignee:
- Mobil Oil Corp., New York, NY
- Patent Number(s):
- US 4784747
- OSTI ID:
- 6774572
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
020400* -- Petroleum-- Processing
ACTIVATION ENERGY
ALUMINIUM COMPOUNDS
ALUMINIUM OXIDES
ALUMINIUM SILICATES
BINDERS
CATALYSTS
CATALYTIC CRACKING
CHALCOGENIDES
CHEMICAL COMPOSITION
CHEMICAL PREPARATION
CHEMICAL REACTIONS
CRACKING
DECOMPOSITION
ENERGY
HYDROCARBONS
HYDROGEN COMPOUNDS
INORGANIC ION EXCHANGERS
ION EXCHANGE MATERIALS
MATERIALS
MINERALS
ORGANIC COMPOUNDS
OXIDE MINERALS
OXIDES
OXYGEN COMPOUNDS
PYROLYSIS
QUANTITY RATIO
SILICA
SILICATES
SILICON COMPOUNDS
SILICON OXIDES
STEAM
SYNTHESIS
THERMOCHEMICAL PROCESSES
WATER
ZEOLITES