OCR Text |
Show EMISSIONS Regulations to reduce the allowable emissions of nitrogen oxides are being promulgated in many industrial areas of the world. The South Coast Air Quality Management District (SCAQMD) will require the following levels of emissions: 11,000 10,000 9,000 ... 8,000 U) 0 0 7,000 c o ;: 6,000 o ::J "'0 5,000 Q) 0: )( 4,000 o Z 3,000 2,000 1,000 • Rule 1146 - Industrial Boilers, 1991 > 40 x 106 Btu/hr - 30 ppm NOx (d, 3% 02) <40 x 106 Btu/hr - 40 ppm NOx (d, 3% 02) • Rule 1135 - Burbank, Pasadena, Glendale 1990 -- 200-250 ppm (d, 3% 02) 2000 -- 20 ppm (d, 3% 02) • Rule 1135 - Southern California Edison and Los Angeles Depart-ment of Water and Power 1990 -- 90-125 ppm (d, 3% 02) 2000 -- 20 ppm (d, 3% 02) 12 Representative Eastern Plants Assumed 10,000 BTU/KWHr ........... .. .. ...... ..... ······R;d·~ctant ).~~~~~~~~~~ :...... Injection ...... / ~~ . ;:·.·~;;~~[~~~11!~!if·,.( o~--~~~---L==~--L-----~----~----~ o 20 40 60 80 NOx Reduction (%) Figure 1 Cost of Removing NOx (1-3). 3 100 WJS0909C.OAO WJSl005A.PAO/ AFRC-90-25 |