Coal_Navajo_Plant_04 - 0.03 ppm (80 g/m3)/ 0.14 ppm (365...

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Coal Fired Electric Power Generation Air pollutant emissions Global warming State-of-the-Art Coal Fired Unit
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National Ambient Air Quality Standards POLLUTANT STANDARD VALUE STANDARD TYPE Carbon Monoxide (CO ) 8-hour Average/1-hour Average 9 ppm (10 mg/m3)/ 35 ppm (40 mg/m3) Primary only Nitrogen Dioxide (NO 2 ) Annual Arithmetic Mean 0.053 ppm (100 μg/m3) Ozone (O 3 ) 1-hour Average/8-hour Average ** 0.12 ppm (235 μg/m3)/ 0.08 ppm (157 μg/m3) Lead (Pb) Quarterly Average 1.5 μg/m3 Particulate (PM 10) (diameters of 10 micrometers or less) Annual Mean/24-hour Average 50 μg/m3/150 μg/m3 Particulate (PM 2.5) ( diameters of 2.5 micrometers or less) Annual Mean /24-hour Average ** 15 μg/m3/65 μg/m3 Sulfur Dioxide (SO 2 ) Annual Mean/24-hour Average
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Unformatted text preview: 0.03 ppm (80 g/m3)/ 0.14 ppm (365 g/m3) Primary 3-hour Average 0.50 ppm (1300 g/m3) Secondary Monthly averaged CO 2 data from Mauna Loa observatory, Hawaii (Kraushaar and Ristinen) Navajo Plant Page, Arizona Coal-fired Plant. Coal from Black Mesa via unit train. Three turbine units rated at 750 MW each. Units went on line in June 1974, 1975 and 1976. Six stages of feedwater heating. Superheater outlet - 24,853 kPa and 813 K (supercritical) Reheat -4,555 kPa and 812 K Auxiliary power consumption = 7% 775 ft stack SO 2 scrubbers and ESP Hg emissions control under consideration. Efficiency typically between 35-40% Navajo Plant, Page Arizona Coal composition: C/H 1 S, N, ash, metals Air Pollution: NO x , SO x , CO CO 2 Particulates Steam Turbine...
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Coal_Navajo_Plant_04 - 0.03 ppm (80 g/m3)/ 0.14 ppm (365...

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