Mixed Use of Bio-Oil in Oil Power Plants: Should It Be Considered When Developing NH 3 Emission Factors?

Seongmin Kang, Jiyun Woo and Eui-Chan Jeon
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Seongmin Kang: Climate Change & Environment Research Center, Sejong University, Seoul 05006, Korea
Jiyun Woo: Department of Climate and Environment, Sejong University, Seoul 05006, Korea
Eui-Chan Jeon: Department of Climate and Environment, Sejong University, Seoul 05006, Korea

IJERPH, 2021, vol. 18, issue 8, 1-7

Abstract: In order to cope with recent climate change, Korea is reducing the use of heavy oil in petroleum-fired power plants and mixing bio-oils. Accordingly, this must be taken into account when calculating the emissions of air pollutants. However, in the case of Korea, when calculating NH 3 emissions, the United States Environmental Protection Agency (EPA) emission factor is applied as it is to calculate emissions, and for petroleum power plants, the heavy oil emission factor proposed by EPA is used as it is to calculate emissions. In petroleum power plants, bio-oil is not mixed in a certain amount and used at a different ratio depending on the situation of the power plant. Therefore, in this study, the NH 3 emission factor according to the mixing ratio of bio-heavy oil is calculated and the mixing ratio is calculated. As a result of the analysis, the emission factor according to bio-oil and the mixed ratio was found to be in the range of 0.010~0.033 kg NH 3 /kL, and it was lower than the heavy oil emission factor 0.096 kg NH 3 /kL of EPA currently used in Korea. This is because the amount of NH 3 through the slip is also small since the use of NH 3 for reduction is also low because the NOx emission from the use of bio-oil is low. Considering all of these points, we have statistically analyzed whether emission factors should be developed and applied. As a result of the confirmation, the difference according to the mixed consumption rate was not large.

Keywords: PM 2.5 secondary sources; oil power plant; bio-oil mix; missing sources; ammonia emission factor (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2021
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