Comparison of dehydrocyclization reactions with Pt- and Pt-Sn alumina catalysts
Conference
·
· Am. Chem. Soc., Div. Pet. Chem., Prepr.; (United States)
OSTI ID:5725915
In order to improve the upgrading of naphtha to high octane gasoline, the dehydrocyclization of n-octane, n-propylcyclopentane and isooctanes at atmospheric (482/sup 0/C) and 400 psig (500/sup 0/C) pressure has been compared using acidic and neutral Pt/Al/sub 2/O/sub 3/ and Pt-Sn/Al/sub 2/O/sub 3/ catalysts. Data for conversions, and product distribution (ethyl benzene, xylene isomers, total aromatics) are presented and are similar to those predicted by cyclohexane formation from n-octane rather than by n-propyl cyclopentane formation. Although less active than the Pt catalyst, the Pt-Sn catalyst gave lower alkane: aromatic ratios at 400 psig. Tin improves both dehydrocyclization activity and ageing rate of Pt catalysts. Radiotracer studies of these systems are in progress.
- Research Organization:
- Univ. of Kentucky, Lexington
- OSTI ID:
- 5725915
- Report Number(s):
- CONF-830303-
- Conference Information:
- Journal Name: Am. Chem. Soc., Div. Pet. Chem., Prepr.; (United States) Journal Volume: 28:2
- Country of Publication:
- United States
- Language:
- English
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OSTI ID:224032
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Related Subjects
02 PETROLEUM
020400* -- Petroleum-- Processing
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400800 -- Combustion
Pyrolysis
& High-Temperature Chemistry
ALKANES
ALKENES
ALUMINIUM COMPOUNDS
ALUMINIUM OXIDES
ANTIKNOCK RATINGS
AROMATICS
AROMATIZATION
CATALYSTS
CATALYTIC EFFECTS
CATALYTIC REFORMING
CHALCOGENIDES
CHEMICAL PREPARATION
CHEMICAL REACTIONS
COAL TAR OILS
COMPARATIVE EVALUATIONS
CYCLOALKANES
CYCLOALKENES
DEHYDROGENATION
DISTILLATES
ELEMENTS
ENERGY SOURCES
FOSSIL FUELS
FUELS
GASOLINE
HYDROCARBONS
ISOMERIZATION
LIQUID FUELS
MEDIUM PRESSURE
METALS
NAPHTHA
OCTANE
OILS
ORGANIC COMPOUNDS
OTHER ORGANIC COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
PETROLEUM
PETROLEUM DISTILLATES
PETROLEUM FRACTIONS
PETROLEUM PRODUCTS
PH VALUE
PLATINUM
PLATINUM METALS
PRESSURE DEPENDENCE
REACTION INTERMEDIATES
REFORMER PROCESSES
SYNTHESIS
TIN
TRANSITION ELEMENTS
XYLENES
020400* -- Petroleum-- Processing
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400800 -- Combustion
Pyrolysis
& High-Temperature Chemistry
ALKANES
ALKENES
ALUMINIUM COMPOUNDS
ALUMINIUM OXIDES
ANTIKNOCK RATINGS
AROMATICS
AROMATIZATION
CATALYSTS
CATALYTIC EFFECTS
CATALYTIC REFORMING
CHALCOGENIDES
CHEMICAL PREPARATION
CHEMICAL REACTIONS
COAL TAR OILS
COMPARATIVE EVALUATIONS
CYCLOALKANES
CYCLOALKENES
DEHYDROGENATION
DISTILLATES
ELEMENTS
ENERGY SOURCES
FOSSIL FUELS
FUELS
GASOLINE
HYDROCARBONS
ISOMERIZATION
LIQUID FUELS
MEDIUM PRESSURE
METALS
NAPHTHA
OCTANE
OILS
ORGANIC COMPOUNDS
OTHER ORGANIC COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
PETROLEUM
PETROLEUM DISTILLATES
PETROLEUM FRACTIONS
PETROLEUM PRODUCTS
PH VALUE
PLATINUM
PLATINUM METALS
PRESSURE DEPENDENCE
REACTION INTERMEDIATES
REFORMER PROCESSES
SYNTHESIS
TIN
TRANSITION ELEMENTS
XYLENES