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KMID : 1171820030180020027
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Journal of Environmental and Sanitary Engineering
2003 Volume.18 No. 2 p.27 ~ p.33
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Evaluation of NOx Reduction Efficiency and Emission Factor from Large Combustion Facilities in Seoul
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Shin Jin-Ho
Oh Seok-Ryul
Kim Jeong-Young
Jeon Jae-Sik
Shin Jung-Sik
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Abstract
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This survey was performed to investigate the NOx emission factors at 3 Municipal Solid Waste Incinerators(MSWI) and 5 Power generation boilers in Seoul. The NOx concentrations were measured before and after control systems. The results were as follows. 1) The NOx reduction efficiencies of Selective Catalytic Reduction (SCR) using ammonia as reducing agent ranged from 53.7% to 89.9%. The NOx reduction efficiencies of SCR using methanol as reducing agent. Non- Selective Catalytic Reduction (NSCm using ethanol as reducing agent and low-NOx burner were 20.8%, 29.1% and 24.7%, respectively. 2) The NOx emission factors at A-I. A-2 and A-3 facilities of MSWI were 0.786, 0.127 and 0.594 kg NOx!ton fuel. respectively. The factors of A-I and A - 3 facilities were higher than the average value of Korea. 3) The NOx emission factors at 13-1. 13-2. B-3. 13-4 and 13-5 facilities of Power generation boiler were 2.109, 0.726, 4.100, 8.378 and 5.168 kg NOx/ton fuel, respectively. The factors of 13-4 and 13-5 facilities were higher than the average value of Korea.
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KEYWORD
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NOx Reduction Efficiency, NOx Emission Factor
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