Major Elements to Consider in Developing Ammonia Emission Factor at Municipal Solid Waste (MSW) Incinerators

Seongmin Kang, Joonyoung Roh and Eui-chan Jeon
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Seongmin Kang: Climate Change & Environment Research Center, Sejong University, Seoul 05006, Korea
Joonyoung Roh: Department of Climate and Environment, Sejong University, Seoul 05006, Korea
Eui-chan Jeon: Department of Climate and Environment, Sejong University, Seoul 05006, Korea

Sustainability, 2021, vol. 13, issue 4, 1-10

Abstract: NH 3 is one of the major substances contributing to the secondary generation of PM2.5; therefore, management is required. In Korea, the management of NH 3 is insufficient, and the emission factor used by EPA is the same as the one used when calculating emissions. In particular, waste incineration facilities do not currently calculate NH 3 emissions. In the case of combustion facilities, the main ammonia emission source is the De-NOx facility, and, in the case of a power plant with a De-NOx facility, NH 3 emission is calculated. Therefore, in the case of a Municipal Solid Waste (MSW) incinerator with the same facility installed, it is necessary to calculate NH 3 emissions. In this study, the necessity of developing NH 3 emission factors for an MSW incinerator and calculating emission was analyzed. In addition, elements to be considered when developing emission factors were analyzed. The study found that the NH 3 emission factors for each MSW incinerator technology were calculated as Stoker 0.010 NH 3 kg/ton and Fluidized Beds 0.004 NH 3 kg/ton, which was greater than the NH 3 emission factor 0.003 NH 3 kg/ton for the MSW incinerator presented in EMEP/EEA (2016). As a result, it was able to identify the need for the development of NH 3 emission factors in MSW incinerators in Korea. In addition, the statistical analysis of the difference between the incineration technology of MSW and the NH 3 emission factor by the De-NOx facility showed a difference in terms of both incineration technology and De-NOx facilities, indicating that they should be considered together when developing the emission factor. In addition to MSW, it is believed that it will be necessary to review the development of emission factors for waste at workplaces and incineration facilities of sewage sludge.

Keywords: PM2.5 secondary sources; municipal solid waste; De-NOx facilities; incinerator type; ammonia emission factor (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2021
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