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Durability testing at one atmosphere of advanced catalysts and catalyst supports for automotive gas turbine engine combustors. Part 1

Technical Report ·
DOI:https://doi.org/10.2172/5172252· OSTI ID:5172252
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Studies were conducted to experimentally demonstrate the durability catalysts and catalyst supports in a combustion environment. A test of 1000 hours duration was completed with two catalysts, using No. 2 diesel fuel and operating at catalytically supported thermal combustion conditions. This atmospheric pressure durability test was conducted, using an air preheat temperature of about 640/sup 0/K and a reference velocity of about 14 meters/second. The adiabatic flame temperature of the fuel/air mixture was 1527/sup 0/K. The performance of the catalysts was determined by monitoring emissions throughout the test, and by examining the physical condition of the catalyst core at the conclusion of the test. Tests were performed periodically to determine changes in catalytic activity of the catalyst core. Detailed parametric studies were also run at the beginning and end of the durability test, using propane as a fuel. The test catalysts proved to be capable of low emissions operation after 1000 hours diesel aging, with no apparent physical degradation of the catalyst support. Typical emissions during the 1000 hours of testing were: unburned hydrocarbons (C/sub 3/ vppM), 4; carbon monoxide (vppM), 50; nitrogen oxides (vppM), 4.
Research Organization:
Engelhard Minerals and Chemicals Corp., Edison, N.J. (USA). Engelhard Industries Div.
DOE Contract Number:
EX-76-A-31-1011
OSTI ID:
5172252
Report Number(s):
CONS/9416-1; NASA-CR-135132
Country of Publication:
United States
Language:
English

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Related Subjects

33 ADVANCED PROPULSION SYSTEMS
330103 -- Internal Combustion Engines-- Turbine
330701* -- Emission Control-- Nitrogen Oxides
330702 -- Emission Control-- Carbon Monoxide
330704 -- Emission Control-- Hydrocarbons
ALKANES
AUTOMOBILES
CARBON COMPOUNDS
CARBON MONOXIDE
CARBON OXIDES
CATALYSTS
CATALYTIC COMBUSTORS
CHALCOGENIDES
COMBUSTORS
DIESEL FUELS
EXHAUST GASES
GAS TURBINES
GASEOUS WASTES
HYDROCARBONS
MECHANICAL STRUCTURES
NITROGEN COMPOUNDS
NITROGEN OXIDES
ORGANIC COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
PERFORMANCE TESTING
PROPANE
SUPPORTS
TESTING
TURBINES
TURBOMACHINERY
VEHICLES
WASTES