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Evaluation of Odor Dispersion from Livestock Building through Field Experiment

현장실험을 통한 축산시설로부터 배출되는 축산악취의 확산 평가

  • Yeo, Uk-Hyeon (Department of Rural Systems Engineering, Seoul National University) ;
  • Lee, In-Bok (Department of Rural Systems Engineering, Research Institute for Agriculture and Life Sciences, Institute of Green Bio Science and Technology, Seoul National University) ;
  • Ha, Tae-Hwan (Animal Environment Division, National Institute of Animal Science, Rural Development Administration) ;
  • Decano, Cristina (Department of Rural Systems Engineering, Seoul National University) ;
  • Kim, Rack-Woo (Department of Rural Systems Engineering, Seoul National University) ;
  • Lee, Sang-Yeon (Department of Rural Systems Engineering, Seoul National University) ;
  • Kim, Jun-Gyu (Department of Rural Systems Engineering, Seoul National University) ;
  • Choi, Young-Bae (Department of Rural Systems Engineering, Seoul National University) ;
  • Park, You-Me (Department of Rural Systems Engineering, Seoul National University)
  • Received : 2019.08.12
  • Accepted : 2019.09.19
  • Published : 2019.11.30

Abstract

Livestock odor is comprised of mixed type of odorous compounds. Among these, ammonia ($NH_3$) and hydrogen sulfide ($H_2S$) are the two known major odor causing substances. Because high odor concentration reduces productivity of livestock and causes damage to the surrounding communities, quantitative analysis is needed to manage the odor inside and outside the livestock facilities. It is also necessary to evaluate odor dispersion according to the distance between the receptors taking into account the influence of odor source and weather condition. Therefore, in this study, we tried to evaluate the internal environment and odor dispersion from experimental pig house considering weather conditions. An experimental farm was specifically selected to eliminate the interference of odors generated by adjacent farms. $NH_3$ and complex odor were quantitatively analyzed using a gas detector and air dilution sensory method. The concentration of $NH_3$ and complex odor in pig house showed a distinct concentration difference according to the cleaning and ventilation conditions. $NH_3$ concentration and complex odor was lower than emission standard in the pig house and at the site boundary. The average $NH_3$ concentration (P1~P3) and the $NH_3$ concentration at the site boundary (S1) were strongly correlated with R=0.77. While the correlation for complex odor inside and at the site boundary had R=0.52. The correlation coefficient between $NH_3$ and the complex odor was 0.80.

Keywords

References

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