Experimental study of high levels of SO/sub 2/ removal in atmospheric-pressure fluidized-bed combustors. Report for October 1978-July 1980 (Final)
Technical Report
·
OSTI ID:6022754
The report describes tests (conducted in an atmospheric-pressure fluidized-bed combustor (FBC) with a cross-section of 1 x 1.6 m) to demonstrate high levels of SO/sub 2/ removal when burning a high-sulfur coal and feeding limestone sorbent for SO/sub 2/ removal. The goal was to achieve 90-plus % SO/sub 2/ removals with reasonable sorbent feed rates through suitable reductions in sorbent particle size (to improve reaction kinetics) and increases in gas residence time (to increase gas/sorbent contact time), in a manner predicted by an existing mathematical model. The result supports model predictions. Reducing sorbent particle size and increasing gas residence time resulted in modest increases in SO2 removal over the range of conditions tested here. Increases in flue-gas O/sub 2/ content also increased removals. Only one of the three sorbents considered for the project had the attrition resistance necessary to permit use in the testing, indicating that some sorbents will not be suitable for use in dense-phase FBC. NOx emissions ranged from 130 to 236 ng/J during these tests.
- Research Organization:
- FluiDyne Engineering Corp., Minneapolis, MN (USA)
- OSTI ID:
- 6022754
- Report Number(s):
- PB-89-194187/XAB
- Country of Publication:
- United States
- Language:
- English
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Tue Aug 01 00:00:00 EDT 1978
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Simultaneous reduction of emissions of SO{sub 2}, NOx, and N{sub 2}O from fluidized bed combustors
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Sat Dec 30 23:00:00 EST 1995
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Related Subjects
01 COAL, LIGNITE, AND PEAT
010800* -- Coal
Lignite
& Peat-- Waste Management
BOILERS
CARBONACEOUS MATERIALS
CHALCOGENIDES
COAL
COMBUSTION PRODUCTS
COMBUSTORS
DESIGN
DOCUMENT TYPES
ENERGY SOURCES
EQUIPMENT
FABRIC FILTERS
FILTERS
FLUIDIZED-BED COMBUSTORS
FOSSIL FUELS
FUELS
INDUSTRIAL WASTES
LIME-LIMESTONE WET SCRUBBING PROCESSES
MATERIALS
OXIDES
OXYGEN COMPOUNDS
PARTICLE SIZE
PERFORMANCE
POLLUTION CONTROL EQUIPMENT
POLLUTION SOURCES
PROGRESS REPORT
SCRUBBING
SIZE
STATIONARY POLLUTANT SOURCES
SULFUR COMPOUNDS
SULFUR DIOXIDE
SULFUR OXIDES
WASTES
010800* -- Coal
Lignite
& Peat-- Waste Management
BOILERS
CARBONACEOUS MATERIALS
CHALCOGENIDES
COAL
COMBUSTION PRODUCTS
COMBUSTORS
DESIGN
DOCUMENT TYPES
ENERGY SOURCES
EQUIPMENT
FABRIC FILTERS
FILTERS
FLUIDIZED-BED COMBUSTORS
FOSSIL FUELS
FUELS
INDUSTRIAL WASTES
LIME-LIMESTONE WET SCRUBBING PROCESSES
MATERIALS
OXIDES
OXYGEN COMPOUNDS
PARTICLE SIZE
PERFORMANCE
POLLUTION CONTROL EQUIPMENT
POLLUTION SOURCES
PROGRESS REPORT
SCRUBBING
SIZE
STATIONARY POLLUTANT SOURCES
SULFUR COMPOUNDS
SULFUR DIOXIDE
SULFUR OXIDES
WASTES