Simulation of fluidized bed coal combustors. Final report
Technical Report
·
OSTI ID:5668533
The many deficiencies of previous work on simulation of fluidized bed combustion (FBC) processes are presented. An attempt is made to reduce these deficiencies, and to formulate a comprehensive FBC model taking into account the following elements: (1) devolatilization of coal and the subsequent combustion of volatiles and residual char; (2) sulfur dioxide capture by limestone; (3) NOx release and reduction of NOx by char; (4) attrition and elutriation of char and limestone; (5) bubble hydrodynamics; (6) solids mixing; (7) heat transfer between gas and solid, and solid and heat exchange surfaces; and (8) freeboard reactions.
- Research Organization:
- West Virginia Univ., Morgantown (USA)
- OSTI ID:
- 5668533
- Report Number(s):
- N-79-20487
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
01 COAL, LIGNITE, AND PEAT
014000* -- Coal
Lignite
& Peat-- Combustion
ADSORBENTS
CARBONACEOUS MATERIALS
CARBONATE ROCKS
CHALCOGENIDES
CHARCOAL
CHEMICAL REACTIONS
CHEMICAL REACTORS
COAL
COMBUSTION
COMBUSTION CHAMBERS
COMPUTER CODES
COMPUTERIZED SIMULATION
ENERGY SOURCES
ENERGY TRANSFER
FLUIDIZED-BED COMBUSTION
FOSSIL FUELS
FUELS
HEAT TRANSFER
LIMESTONE
MATHEMATICAL MODELS
OXIDATION
OXIDES
OXYGEN COMPOUNDS
PERFORMANCE
RESERVOIR ROCK
ROCKS
SEDIMENTARY ROCKS
SIMULATION
SULFUR COMPOUNDS
SULFUR DIOXIDE
SULFUR OXIDES
THERMOCHEMICAL PROCESSES
014000* -- Coal
Lignite
& Peat-- Combustion
ADSORBENTS
CARBONACEOUS MATERIALS
CARBONATE ROCKS
CHALCOGENIDES
CHARCOAL
CHEMICAL REACTIONS
CHEMICAL REACTORS
COAL
COMBUSTION
COMBUSTION CHAMBERS
COMPUTER CODES
COMPUTERIZED SIMULATION
ENERGY SOURCES
ENERGY TRANSFER
FLUIDIZED-BED COMBUSTION
FOSSIL FUELS
FUELS
HEAT TRANSFER
LIMESTONE
MATHEMATICAL MODELS
OXIDATION
OXIDES
OXYGEN COMPOUNDS
PERFORMANCE
RESERVOIR ROCK
ROCKS
SEDIMENTARY ROCKS
SIMULATION
SULFUR COMPOUNDS
SULFUR DIOXIDE
SULFUR OXIDES
THERMOCHEMICAL PROCESSES