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RECORD NUMBER: 17 OF 35

Main Title Nitrous Oxide Emissions from Fossil Fuel Combustion.
Author Linak, W. P.; McSorley, J. A.; Hall, R. E.; Ryan, J. V.; Wendt, J. O. L.;
CORP Author Acurex Corp., Research Triangle Park, NC. ;Arizona Univ., Tucson. Dept. of Chemical Engineering.;Environmental Protection Agency, Research Triangle Park, NC. Air and Energy Engineering Research Lab.
Publisher c1990
Year Published 1990
Report Number EPA-68-02-4701 ;EPA-68-02-4285; EPA/600/J-90/393;
Stock Number PB91-171496
Subjects Nitrogen oxide(N2O); Coal combustion; Emission; Boilers; Air pollution; Air pollution control; Stationary sources; Fossil fuels; Laboratory tests; Reprints;
Holdings
Library   Call Number Additional Info Location Date Modified
NTIS PB91-171496 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. NTIS 09/04/1991
Collation 11p
Abstract The role of coal combustion as a significant global source of nitrous oxide (N2O) emissions was reexamined through on-line emission measurements from six pulverized-coal-fired utility boilers and from laboratory and pilot-scale combustors. The full-scale utility boilers yielded direct N2O emission levels of less than 5 ppm. The sub-scale combustor test data were consistent with full-scale data, and also showed N2O emission levels not exceeding 5 ppm, although these levels increased slightly when various combustion modifications to lower NO emissions were employed. These on-line emission measurements are very different from previously published data. The discrepancy is shown to be due to a sampling artifact by which significant quantities of N2O can be produced in sample containers which have been used in establishing the prevously employed N2O data base. Consequently, it was concluded that N2O emissions bear no direct relationship to NO emissions from these combustion sources, and that the direct source of N2O is negligible. Other indirect routes for the conversion of NO into N2O outside the combustor and other combustion sources not examined by the study, however, cannot be ruled out. (Copyright (c) 1990 by the American Geophysical Union.)
Supplementary Notes Pub. in Jnl. of Geophysical Research, v95 nD6 p7533-7541, 20 May 90. Prepared in cooperation with Arizona Univ., Tucson. Dept. of Chemical Engineering. Sponsored by Environmental Protection Agency, Research Triangle Park, NC. Air and Energy Engineering Research Lab.
NTIS Title Notes Journal article.
Title Annotations Reprint: Nitrous Oxide Emissions from Fossil Fuel Combustion.
Category Codes 68A; 97R
NTIS Prices PC A03/MF A01
Primary Description 600/13
Document Type NT
Control Number 116425966
Cataloging Source NTIS/MT
Origin NTIS
Type CAT


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