Development of advanced NOₓ control concepts for coal-fired utility boilers. Quarterly technical progress report No. 3, April 1--June 30, 1991 [electronic resource]
Hybrid technologies for reduction of NOₓ emissions from coal fired utility boilers may offer greater levels of NOₓ control than the sum of the individual technologies, leading to more cost effective emissions control strategies. CombiNOₓ is an integration of modified reburning, promoted selective no...
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Online Access |
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| Corporate Authors: | , |
| Format: | Government Document Electronic eBook |
| Language: | English |
| Published: |
Washington, D.C. : Oak Ridge, Tenn. :
United States. Dept. of Energy ; distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy,
1992.
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| Subjects: |
MARC
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| 245 | 0 | 0 | |a Development of advanced NOₓ control concepts for coal-fired utility boilers. Quarterly technical progress report No. 3, April 1--June 30, 1991 |h [electronic resource] |
| 260 | |a Washington, D.C. : |b United States. Dept. of Energy ; |a Oak Ridge, Tenn. : |b distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy, |c 1992. | ||
| 300 | |a 29 p. : |b digital, PDF file. | ||
| 336 | |a text |b txt |2 rdacontent. | ||
| 337 | |a computer |b c |2 rdamedia. | ||
| 338 | |a online resource |b cr |2 rdacarrier. | ||
| 500 | |a Published through the Information Bridge: DOE Scientific and Technical Information. | ||
| 500 | |a 01/16/1992. | ||
| 500 | |a "doe/pc/90363--t1" | ||
| 500 | |a "DE92008187" | ||
| 500 | |a Seeker, W.R.; England, G.; Newhall, J. | ||
| 513 | |a Quarterly; |b 04/01/1991 - 06/30/1991. | ||
| 520 | 3 | |a Hybrid technologies for reduction of NOₓ emissions from coal fired utility boilers may offer greater levels of NOₓ control than the sum of the individual technologies, leading to more cost effective emissions control strategies. CombiNOₓ is an integration of modified reburning, promoted selective non-catalytic reduction (SNCR) and methanol injection to reduce NOₓ emissions from coal fired flue gas. The first two steps, modified reburning and promoted SNCR are linked. It was shown previously that oxidation of CO in the presence of a SNCR agent enhances the NO reduction performance. Less reburning than is typically done is required to generate the optimum amount of CO to promote the SNCR agent. If the reburn fuel is natural gas this may result in a significant cost savings over typical reburning. Injection of methanol into the flue gas has been shown at laboratory scale to convert NO to NO₂ which may subsequently be removed in a wet scrubber. The overall objective of this program is to demonstrate the effectiveness of the CombiNOx process at a large enough scale and over a sufficiently broad range of conditions to provide all of the information needed to conduct a full-scale demonstration in a coal fired utility boiler. The specific technical goals of this program are: 70% NOₓ reduction at 20% of the cost of selective catalytic reduction; NOₓ levels at the stack of 60 ppm for ozone non-attainment areas; demonstrate coal reburning; identify all undesirable by-products of the process and their controlling parameters; demonstrate 95% NO₂ removal in a wet scrubber. During this reporting period, experimental work was initiated at both the laboratory and pilot scale in the Fundamental Studies phase of the program. The laboratory scale work focused on determining whether or not the NO₂ formed by the methanol injection step can be removed in an SO₂ scrubber. | |
| 536 | |b AC22-90PC90363. | ||
| 650 | 7 | |a Denitrification. |2 local. | |
| 650 | 7 | |a Nitrogen Dioxide. |2 local. | |
| 650 | 7 | |a Experimental Data. |2 local. | |
| 650 | 7 | |a Injection. |2 local. | |
| 650 | 7 | |a Progress Report. |2 local. | |
| 650 | 7 | |a Carbon Monoxide. |2 local. | |
| 650 | 7 | |a Boilers. |2 local. | |
| 650 | 7 | |a Chemical Reaction Kinetics. |2 local. | |
| 650 | 7 | |a Flowsheets. |2 local. | |
| 650 | 7 | |a Removal. |2 local. | |
| 650 | 7 | |a Nitrogen Oxides. |2 local. | |
| 650 | 7 | |a Radicals. |2 local. | |
| 650 | 7 | |a Scrubbing. |2 local. | |
| 650 | 7 | |a Methanol. |2 local. | |
| 650 | 7 | |a Flue Gas. |2 local. | |
| 650 | 7 | |a Fossil-fuel Power Plants. |2 local. | |
| 650 | 7 | |a Reduction. |2 local. | |
| 650 | 7 | |a Nitric Oxide. |2 local. | |
| 650 | 7 | |a Coal, Lignite, And Peat. |2 edbsc. | |
| 710 | 2 | |a Energy and Environmental Research Corporation. |4 res. | |
| 710 | 1 | |a United States. |b Department of Energy. |4 spn. | |
| 710 | 2 | |a National Energy Technology Laboratory (U.S.). |4 res. | |
| 710 | 1 | |a United States. |b Department of Energy. |b Office of Scientific and Technical Information. |4 dst. | |
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