Nitrogen oxide abatement by distributed fuel addition [electronic resource]
Experiments were conducted to investigate the processes that influence the destruction of NO in the fuel rich stage of the reburning process. The objective is to gain a better understanding of the mechanisms that control the fate of coal nitrogen in the fuel rich zone of a combustion process. Time r...
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| Main Authors: | , |
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| Format: | Government Document Electronic eBook |
| Language: | English |
| Published: |
Washington, D.C. : Oak Ridge, Tenn. :
United States. Department of Energy ; distributed by the Office of Scientific and Technical Information, U.S. Department of Energy,
1989.
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| Subjects: |
MARC
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| 245 | 0 | 0 | |a Nitrogen oxide abatement by distributed fuel addition |h [electronic resource] |
| 260 | |a Washington, D.C. : |b United States. Department of Energy ; |a Oak Ridge, Tenn. : |b distributed by the Office of Scientific and Technical Information, U.S. Department of Energy, |c 1989. | ||
| 300 | |a Pages: (35 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 SciTech Connect. | ||
| 500 | |a 11/20/1989. | ||
| 500 | |a "doe/pc/79850-9" | ||
| 500 | |a "DE92005211" | ||
| 500 | |a Mereb, J.B.; Wendt, J.O.L. | ||
| 520 | 3 | |a Experiments were conducted to investigate the processes that influence the destruction of NO in the fuel rich stage of the reburning process. The objective is to gain a better understanding of the mechanisms that control the fate of coal nitrogen in the fuel rich zone of a combustion process. Time resolved profiles of temperature, major (CO₂, CO, H₂O, O₂, H₂ and N₂), nitrogenous (NO, HCN and NH₃) and hydrocarbon (CH₄ and C₂H₂) species were obtained for various reburning tests. A slow continuous source of HCN was observed in the reburn zone for most tests. HCN formation from NO + CH{sub i} reactions would partially explain this trend. It has been proposed in the past that these reactions would be fast (less than 0.1s) and the produced HCN would be short lived. However, evidence was provided in this study indicating that NO + CH{sub i} reactions might contribute to HCN formation at longer residence times in the reburn zone. Reactions of molecular nitrogen with hydrocarbon radicals were determined to be a significant source of HCN formation, especially as NO levels decreased in the reburn zone. The results of several tests would justify the exclusion of continued coal devolatilization in the reburn zone as a major source of HCN. | |
| 536 | |b AC22-87PC79850. | ||
| 650 | 7 | |a Coal. |2 local. | |
| 650 | 7 | |a Devolatilization. |2 local. | |
| 650 | 7 | |a Nitrogen Oxides. |2 local. | |
| 650 | 7 | |a Air Pollution Abatement. |2 local. | |
| 650 | 7 | |a Ammonia. |2 local. | |
| 650 | 7 | |a Carbon Oxides. |2 local. | |
| 650 | 7 | |a Chemical Reactions. |2 local. | |
| 650 | 7 | |a Combustors. |2 local. | |
| 650 | 7 | |a Fuel Injection Systems. |2 local. | |
| 650 | 7 | |a Hydrocarbons. |2 local. | |
| 650 | 7 | |a Hydrocyanic Acid. |2 local. | |
| 650 | 7 | |a Hydrogen. |2 local. | |
| 650 | 7 | |a Methane. |2 local. | |
| 650 | 7 | |a Nitric Oxide. |2 local. | |
| 650 | 7 | |a Nitrogen. |2 local. | |
| 650 | 7 | |a Oxygen. |2 local. | |
| 650 | 7 | |a Progress Report. |2 local. | |
| 650 | 7 | |a Reaction Intermediates. |2 local. | |
| 650 | 7 | |a Water. |2 local. | |
| 650 | 7 | |a Alkanes. |2 local. | |
| 650 | 7 | |a Carbon Compounds. |2 local. | |
| 650 | 7 | |a Carbonaceous Materials. |2 local. | |
| 650 | 7 | |a Chalcogenides. |2 local. | |
| 650 | 7 | |a Combustion. |2 local. | |
| 650 | 7 | |a Cyanides. |2 local. | |
| 650 | 7 | |a Document Types. |2 local. | |
| 650 | 7 | |a Elements. |2 local. | |
| 650 | 7 | |a Energy Sources. |2 local. | |
| 650 | 7 | |a Fossil Fuels. |2 local. | |
| 650 | 7 | |a Staged Combustion. |2 local. | |
| 650 | 7 | |a Fuel Systems. |2 local. | |
| 650 | 7 | |a Fuels. |2 local. | |
| 650 | 7 | |a Hydrides. |2 local. | |
| 650 | 7 | |a Hydrogen Compounds. |2 local. | |
| 650 | 7 | |a Inorganic Acids. |2 local. | |
| 650 | 7 | |a Materials. |2 local. | |
| 650 | 7 | |a Nitrogen Compounds. |2 local. | |
| 650 | 7 | |a Nitrogen Hydrides. |2 local. | |
| 650 | 7 | |a Nonmetals. |2 local. | |
| 650 | 7 | |a Organic Compounds. |2 local. | |
| 650 | 7 | |a Oxides. |2 local. | |
| 650 | 7 | |a Oxygen Compounds. |2 local. | |
| 650 | 7 | |a Pollution Abatement. |2 local. | |
| 650 | 7 | |a Oxidation. |2 local. | |
| 650 | 7 | |a Thermochemical Processes. |2 local. | |
| 650 | 7 | |a Coal, Lignite, And Peat. |2 edbsc. | |
| 650 | 7 | |a Fossil-Fueled Power Plants. |2 edbsc. | |
| 650 | 7 | |a Environmental Sciences. |2 edbsc. | |
| 700 | 1 | |a Mereb, J.B. |4 aut. | |
| 700 | 1 | |a Wendt, J.O.L. |4 aut. | |
| 710 | 2 | |a University of Arizona. |b Department of Chemical Engineering. |4 res. | |
| 710 | 1 | |a United States. |b Department of Energy. |4 spn. | |
| 710 | 1 | |a United States. |b Department of Energy. |b Office of Scientific and Technical Information. |4 dst. | |
| 856 | 4 | 0 | |u http://www.osti.gov/servlets/purl/6039249/ |z Online Access |
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