Simultaneous NO/sub x/ and SO/sub 2/ removal in a spray dryer system
Conference
·
OSTI ID:6004349
The development of environmental control processes for the simultaneous control of nitrogen oxides (NO/sub x/) and sulfur dioxide (SO/sub 2/) emissions is one of the national priorities being pursued by the United States Department of Energy (DOE) under the Flue Gas Cleanup Program. A joint research effort has been constructed by ANL (Argonne National Laboratory) and PETC (Pittsburgh Energy Technology Center) to study the addition of sodium hydroxide (or caustic soda) to aqueous slurries of lime to enhance NO/sub x/ removal in spray-dryer absorber systems. This concept was evaluated in a 4-week field test using the 22-MWe industrial-scale spray-dryer absorber at ANL as well as the process developmental test units at PETC. This paper summarizes the individual findings on caustic addition to a lime-based spray-dryer fabric-filter system from the process development tests in the 0.75-MWe spray-dryer facility at PETC and from the 4-week full-scale industrial tests at the Argonne steam plant.
- OSTI ID:
- 6004349
- Report Number(s):
- CONF-870323-
- Country of Publication:
- United States
- Language:
- English
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ADSORBENTS
ADSORPTION
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ALKALI METAL COMPOUNDS
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CHALCOGENIDES
CHEMICAL REACTIONS
CONTROL
DATA ANALYSIS
DESORPTION
DESULFURIZATION
DRY SCRUBBERS
DRYERS
EQUIPMENT
FLUE GAS
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SODIUM COMPOUNDS
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SORPTION
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SPRAYS
SULFUR COMPOUNDS
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SURFACE PROPERTIES
US AEC
US DOE
US ERDA
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