강제환기식 양돈시설의 암모니아 및 미세먼지 배출계수 산정
Estimation of Particulate Matter and Ammonia Emission Factors for Mechanically-Ventilated Pig Houses
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초록
Emission factors for ammonia and particulate matters (PMs) from livestock buildings are of increasing importance in view of the environmentalprotection. While the existing emission factors were determined based on the emission inventory of other countries, in situ measurement of emissionfactors is required to construct an accurate emission inventory for Korea. This study is to report measurements of ammonia and PMs emissions frommechanically-ventilated pig houses, which are common types of pig barns in Korea. Ventilation rates and concentrations of ammonia and PMs weremeasured at the ventilation outlets of a weaner unit, a growing pig unit and a fattening pig unit to calculated the emission factors. The PMs emissionwas characterized with different aerodynamic diameters (PM2.5, PM10, and total suspended particulates (TSP)). The measured ammonia emission factorsfor weaners, growing pigs and fattening pigs were 0.225, 0.869 and 1.679 kg animal-1 yr-1, respectively, showing linear increase with pigs’ age. ThePMs emission factors for three growing stages were 0.023, 0.237 and 0.241 kg animal-1 yr-1, respectively for TSP, 0.017, 0.072 and 0.223 kg animal-1yr-1, respectively for PM10, and 0.011, 0.016 and 0.151 kg animal-1 yr-1, respectively for PM2.5. PMs emissions were increased with pigs’ age due toincreasing feed supply and animal movement. The measured emission factors were smaller than those of the existing emission inventory indicating thatthe existing ones overestimate the emissions from pig buildings and also suggesting that long-term in situ monitoring at various livestock buildings isrequired to construct the accurate emission inventory.
Abstract
Emission factors for ammonia and particulate matters (PMs) from livestock buildings are of increasing importance in view of the environmentalprotection. While the existing emission factors were determined based on the emission inventory of other countries, in situ measurement of emissionfactors is required to construct an accurate emission inventory for Korea. This study is to report measurements of ammonia and PMs emissions frommechanically-ventilated pig houses, which are common types of pig barns in Korea. Ventilation rates and concentrations of ammonia and PMs weremeasured at the ventilation outlets of a weaner unit, a growing pig unit and a fattening pig unit to calculated the emission factors. The PMs emissionwas characterized with different aerodynamic diameters (PM2.5, PM10, and total suspended particulates (TSP)). The measured ammonia emission factorsfor weaners, growing pigs and fattening pigs were 0.225, 0.869 and 1.679 kg animal-1 yr-1, respectively, showing linear increase with pigs’ age. ThePMs emission factors for three growing stages were 0.023, 0.237 and 0.241 kg animal-1 yr-1, respectively for TSP, 0.017, 0.072 and 0.223 kg animal-1yr-1, respectively for PM10, and 0.011, 0.016 and 0.151 kg animal-1 yr-1, respectively for PM2.5. PMs emissions were increased with pigs’ age due toincreasing feed supply and animal movement. The measured emission factors were smaller than those of the existing emission inventory indicating thatthe existing ones overestimate the emissions from pig buildings and also suggesting that long-term in situ monitoring at various livestock buildings isrequired to construct the accurate emission inventory.
참고문헌 (15)
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