Nov Emissions At Low Excess-air Levels in Pulverized-coal Combustion.
McCann-CR; Demeter-JJ; Orning-AA; Bienstock-D
Asme Winter Ann Meeting New York 1970 Nov; :7 pages
Nitrogen oxides decreased 70 percent (from 575 to 175 ppm) as the excess air was lowered from 25 to 1.4 percent in burning a Pittsburgh-seam coal. At lower excess-air levels, carbon combustion efficiencies could be maintained at 99 percent by increasing the air preheat to 700 deg. F.
Asme Winter Ann. Meeting, New York, Nov. 20-Dec. 3, 1970. Preprint 70-Wa/apc-3 7 PP.