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Octane enhancement and total liquid product yield improvements in catalytic cracking using in-situ crystallized ZSM-5 clai aggregates

Patent ·
OSTI ID:5919532
;
Octane and total yield improvement in catalytic cracking of petroleum fractions under cracking conditions can be obtained by adding to conventional cracking catalysts small amounts of an additive catalyst comprising a class of zeolites characterized by a silica to alumina mole ratio greater than 5 and a Constraint Index of 1 to 12 wherein the zeolite additive catalyst is prepared via in-situ crystallization of preformed aggregates.
Assignee:
Mobil Oil Corp.
Patent Number(s):
US 4522705
OSTI ID:
5919532
Country of Publication:
United States
Language:
English

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Related Subjects

02 PETROLEUM
020400 -- Petroleum-- Processing
020800* -- Petroleum-- Waste Management
ADDITIVES
ALUMINIUM COMPOUNDS
ALUMINIUM OXIDES
ANTIKNOCK RATINGS
CATALYSTS
CATALYTIC CRACKING
CHALCOGENIDES
CHEMICAL PREPARATION
CHEMICAL REACTION YIELD
CHEMICAL REACTIONS
CRACKING
CRYSTALLIZATION
DECOMPOSITION
ENERGY SOURCES
FOSSIL FUELS
FUELS
INORGANIC ION EXCHANGERS
ION EXCHANGE MATERIALS
MATERIALS
MINERALS
OXIDE MINERALS
OXIDES
OXYGEN COMPOUNDS
PETROLEUM
PETROLEUM FRACTIONS
PETROLEUM RESIDUES
PHASE TRANSFORMATIONS
PYROLYSIS
SILICA
SILICON COMPOUNDS
SILICON OXIDES
SYNTHESIS
THERMOCHEMICAL PROCESSES
YIELDS
ZEOLITES