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RECORD NUMBER: 33 OF 35

Main Title Influence of Fuel Sulfur on Fuel Nitrogen Oxidation Mechanisms.
Author Wendt, J. O. L.; Morcomb, J. T.; Corley, T. L.;
CORP Author Arizona Univ., Tucson. Dept. of Chemical Engineering.;Environmental Protection Agency, Research Triangle Park, NC. Air and Energy Engineering Research Lab.
Year Published 1979
Report Number EPA-R-803715; EPA/600/D-87/292;
Stock Number PB88-112073
Subjects Nitrogen oxides; Sulfur; Fuel oil; Flames; Air pollution control; Stationary sources; Laminar flow; Turbulent diffusion
Holdings
Library   Call Number Additional Info Location Date Modified
NTIS PB88-112073 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. NTIS 06/21/1988
Collation 10p
Abstract The paper discusses laboratory premixed flat flame studies showing that, under fuel rich conditions, fuel sulfur can have a radical influence on fuel NO formation mechanisms. Both enhancements and apparent inhibition of fuel NO were observed, depending on the equivalence ratio and the residence time at which the measurement was made. The effect of sulfur on 'prompt' NO was similar. This first order effect was shown to manifest itself in a significant increase in NOx emissions when a fuel containing chemically bound nitrogen is burned with sulfur in an axial (low swirl) turbulent diffusion flame. Under these conditions, in which local hot fuel environments dominate, fuel oils containing both nitrogen and sulfur are likely to give higher NO emissions than those containing little sulfur. Likewise, prompt NO mechanisms can be significant for Thermal NO, and enhancement thereof by SO2 in the fuel can greatly influence resultant Thermal NO emissions.
Supplementary Notes Presented at the International Symposium on Combustion (17th), Pittsburgh, PA., August 1978, p671-678 1979. Sponsored by Environmental Protection Agency, Research Triangle Park, NC. Air and Energy Engineering Research Lab.
PUB Date Free Form c1979
Category Codes 68A
NTIS Prices PC A02/MF A01
Primary Description 600/13
Document Type NT
Control Number 735123209
Cataloging Source NTIS/MT
Origin NTIS
Type CAT


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