Direct sampling and characterization of gaseous species responsible for fireside corrosion in fossil fuel-fired systems. Third quarterly progress report, October 1--December 31, 1976
The direct, high-capacity, free jet, molecular beam sampling system, designed and constructed for this program, has been tested for performance and sensitivity. These tests involve both one atmosphere permanent gases and CH/sub 4/-air flames with and without the addition of fine KHCO/sub 3/ powder. Sampling one atmosphere argon through the 0.020 in. conical flame sampling orifice resulted in the expected amount of Ar/sub 2/ for an isentropic, shock-free expansion. Tests with air and CH/sub 4/-air flames showed complicating phenomena and troublesome interferences to be expected in coal-air flame sampling. Tests with KHCO/sub 3/ added to the CH/sub 4/-air flame revealed random noise spikes caused by impact of the particulate matter somewhere in the quadrupole mass spectrometer. Even with such interference, K/sup +/ could be detected at the 10 ppM of neutral species level, indicating that we should proceed directly to a search for such species in coal-air flames.
- Research Organization:
- Midwest Research Inst., Kansas City, MO (USA)
- OSTI ID:
- 7220460
- Report Number(s):
- FE-2288-12
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
01 COAL, LIGNITE, AND PEAT
014000* -- Coal
Lignite
& Peat-- Combustion
090110 -- Hydrocarbon Fuels-- Properties-- (1979-1989)
10 SYNTHETIC FUELS
AIR
ALKALI METAL COMPOUNDS
ALKANES
BEAMS
BOILERS
BURNERS
CARBON COMPOUNDS
CARBONACEOUS MATERIALS
CARBONATES
CHEMICAL REACTIONS
COAL
COMBUSTION
COMBUSTION PRODUCTS
CORROSIVE EFFECTS
CRYOGENIC FLUIDS
DESIGN
ENERGY SOURCES
FLAMES
FLUIDS
FOSSIL FUELS
FOSSIL-FUEL POWER PLANTS
FUELS
GASES
HYDROCARBONS
METHANE
MOLECULAR BEAMS
ORGANIC COMPOUNDS
OXIDATION
OXYGEN COMPOUNDS
PERFORMANCE
POTASSIUM CARBONATES
POTASSIUM COMPOUNDS
POWER PLANTS
SAMPLING
THERMAL POWER PLANTS
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014000* -- Coal
Lignite
& Peat-- Combustion
090110 -- Hydrocarbon Fuels-- Properties-- (1979-1989)
10 SYNTHETIC FUELS
AIR
ALKALI METAL COMPOUNDS
ALKANES
BEAMS
BOILERS
BURNERS
CARBON COMPOUNDS
CARBONACEOUS MATERIALS
CARBONATES
CHEMICAL REACTIONS
COAL
COMBUSTION
COMBUSTION PRODUCTS
CORROSIVE EFFECTS
CRYOGENIC FLUIDS
DESIGN
ENERGY SOURCES
FLAMES
FLUIDS
FOSSIL FUELS
FOSSIL-FUEL POWER PLANTS
FUELS
GASES
HYDROCARBONS
METHANE
MOLECULAR BEAMS
ORGANIC COMPOUNDS
OXIDATION
OXYGEN COMPOUNDS
PERFORMANCE
POTASSIUM CARBONATES
POTASSIUM COMPOUNDS
POWER PLANTS
SAMPLING
THERMAL POWER PLANTS
THERMOCHEMICAL PROCESSES