Plane flame furnace combustion tests on JPL desulfurized coal
Technical Report
·
OSTI ID:6475415
The combustion characteristics of three raw bituminous (PSOC-282 and 276) and subbituminous (PSOC-230) coals, the raw coals partially desulfurized (ca -60%) by JPL chlorinolysis, and the chlorinated coals more completely desulfurized (ca -75%) by JPL hydrodesulfurization were determined. The extent to which the combustion characteristics of the untreated coals were altered upon JPL sulfur removal was examined. Combustion conditions typical of utility boilers were simulated in the plane flame furnace. Upon decreasing the parent coal voltaile matter generically by 80% and the sulfur by 75% via the JPL desulfurization process, ignition time was delayed 70 fold, burning velocity was retarded 1.5 fold, and burnout time was prolonged 1.4 fold. Total flame residence time increased 2.3 fold. The JPL desulfurization process appears to show significant promise for producing technologically combustible and clean burning (low SO3) fuels.
- Research Organization:
- Pennsylvania State Univ., University Park (USA); Jet Propulsion Lab., Pasadena, CA (USA)
- OSTI ID:
- 6475415
- Report Number(s):
- N-8229376; NASA-CR-169199
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
01 COAL, LIGNITE, AND PEAT
014000* -- Coal
Lignite
& Peat-- Combustion
ANALOG SYSTEMS
BITUMINOUS COAL
BLACK COAL
BURNOUT
CARBONACEOUS MATERIALS
CHEMICAL REACTIONS
COAL
COMBUSTION
COMBUSTION PRODUCTS
COMBUSTION PROPERTIES
DESULFURIZATION
EFFICIENCY
ENERGY SOURCES
FOSSIL FUELS
FUELS
FUNCTIONAL MODELS
FURNACES
IGNITION
MATERIALS
OXIDATION
SIMULATORS
SUBBITUMINOUS COAL
THERMOCHEMICAL PROCESSES
014000* -- Coal
Lignite
& Peat-- Combustion
ANALOG SYSTEMS
BITUMINOUS COAL
BLACK COAL
BURNOUT
CARBONACEOUS MATERIALS
CHEMICAL REACTIONS
COAL
COMBUSTION
COMBUSTION PRODUCTS
COMBUSTION PROPERTIES
DESULFURIZATION
EFFICIENCY
ENERGY SOURCES
FOSSIL FUELS
FUELS
FUNCTIONAL MODELS
FURNACES
IGNITION
MATERIALS
OXIDATION
SIMULATORS
SUBBITUMINOUS COAL
THERMOCHEMICAL PROCESSES