Combustion of coal gas fuels in a staged combustor
Conference
·
· Am. Soc. Mech. Eng., (Pap.); (United States)
OSTI ID:5618347
Gaseous fuels produced from coal resources have been considered for use in industrial gas turbines. Such fuels generally have heating values much lower than the typical gaseous fuel, natural gas; the low heating value could result in unstable or inefficient combustion. Additionally, coal gas fuels may contain ammonia which, if oxidized in an uncontrolled manner, could result in unacceptable NO /SUB x/ exhaust emission levels. Previous investigations have indicated that staged, rich-lean combustion represents a desirable approach to achieve stable, efficient, low NO /SUB x/ emission operation for coal-derived liquid fuels containing up to 0.8-wt pct nitrogen. An experimental program has been conducted to determine whether this fuel tolerance can be extended to include coalderived gaseous fuels. The results of tests with three nitrogen-free fuels having heating values of 100, 250, and 350 Btu/scf and a 250 Btu/scf heating value doped to contain 0.7 pct ammonia are presented.
- Research Organization:
- United Technologies Research Center, United Technologies Corporation, East Hartford, Connecticut
- OSTI ID:
- 5618347
- Report Number(s):
- CONF-830309-
- Conference Information:
- Journal Name: Am. Soc. Mech. Eng., (Pap.); (United States) Journal Volume: 83-GT-108
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
01 COAL, LIGNITE, AND PEAT
010404* -- Coal
Lignite
& Peat-- Gasification
014000 -- Coal
Lignite
& Peat-- Combustion
AIR POLLUTION CONTROL
AMMONIA
CALORIFIC VALUE
CHALCOGENIDES
CHEMICAL REACTIONS
COAL GAS
COAL GASIFICATION
COAL LIQUIDS
COMBUSTION
COMBUSTION INSTABILITY
COMBUSTION PROPERTIES
CONTROL
EFFICIENCY
EXHAUST GASES
FLUIDS
FUEL GAS
FUELS
GAS FUELS
GASEOUS WASTES
GASES
GASIFICATION
HYDRIDES
HYDROGEN COMPOUNDS
INSTABILITY
LIQUIDS
LOW BTU GAS
NITROGEN COMPOUNDS
NITROGEN HYDRIDES
NITROGEN OXIDES
OXIDATION
OXIDES
OXYGEN COMPOUNDS
POLLUTION CONTROL
STAGED COMBUSTION
THERMOCHEMICAL PROCESSES
WASTES
010404* -- Coal
Lignite
& Peat-- Gasification
014000 -- Coal
Lignite
& Peat-- Combustion
AIR POLLUTION CONTROL
AMMONIA
CALORIFIC VALUE
CHALCOGENIDES
CHEMICAL REACTIONS
COAL GAS
COAL GASIFICATION
COAL LIQUIDS
COMBUSTION
COMBUSTION INSTABILITY
COMBUSTION PROPERTIES
CONTROL
EFFICIENCY
EXHAUST GASES
FLUIDS
FUEL GAS
FUELS
GAS FUELS
GASEOUS WASTES
GASES
GASIFICATION
HYDRIDES
HYDROGEN COMPOUNDS
INSTABILITY
LIQUIDS
LOW BTU GAS
NITROGEN COMPOUNDS
NITROGEN HYDRIDES
NITROGEN OXIDES
OXIDATION
OXIDES
OXYGEN COMPOUNDS
POLLUTION CONTROL
STAGED COMBUSTION
THERMOCHEMICAL PROCESSES
WASTES