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Main Title Field testing : application of combustion modifications to control NOx emmisions from utility boilers /
Author Crawford, A. R. ; Manny, E. H. ; Bartok., W.
Other Authors
Author Title of a Work
Bartok, W.
Manny, E. H.
CORP Author Exxon Research and Engineering Co., Linden, N.J. Government Research Lab.;National Environmental Research Center, Research Triangle Park, N.C. Control Systems Lab.
Publisher National Environmental Research Center, Control Systems Laboratory,
Year Published 1974
Report Number EPA/650-2-74-066; GRU.1DJAF.74; Contract No. 68-02-0227
Stock Number PB-237 344
OCLC Number 06895100
Subjects Air--Pollution--Environmental aspects. ; Nitrogen oxides. ; Air Pollution--prevention & control. ; Environmental Pollution--prevention & control.
Additional Subjects Air pollution control ; Nitrogen oxides ; Combustion ; Boilers ; Particles ; Flue gases ; Coal ; Fuel oil ; Corrosion ; Burners ; Slags ; Air heaters ; Particulates
Internet Access
Description Access URL
Library Call Number Additional Info Location Last
EJBD ARCHIVE EPA 650-2-74-066 Headquarters Library/Washington,DC 10/09/2012
ELBD RPS EPA 650-2-74-066 repository copy AWBERC Library/Cincinnati,OH 08/31/2020
NTIS  PB-237 344 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Collation xiv, 151 pages, [46 pages various pagings] : illustrations ; 27 cm.
The report describes field studies on utility boilers to develop NOx and other pollutant control technology by modifying combustion operating conditions. Tests were made on 12 pulverized-coal-fired boilers. Six oil-fired boilers, converted from coal-firing, were also tested with combustion modifications for NOx control. Particulate emissions and accelerated furnace corrosion rates were also determined in some cases for coal-fired boilers. Analysis indicated that combustion modifications, chiefly low excess air firing coupled with staged burner patterns, can reduce NOx emissions from the tested coal-fired boilers by 25-60%, depending on the unit and its flexibility. NOx emissions were successfully correlated for normal and modified firing conditions with the percent stoichiometric air supplied to the burners.
Contract no. 68-02-0227, ROAP no. 21ADG-AL, Program element no. 1AB014. Prepared for Office of Research and Development, U.S. Environmental Protection Agency. "June 1974." "EPA/650-2-74-066."