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Emission Characteristics of Greenhouse Gases (CH4, N2O) in Mechanically Ventilated Swine Farm during Winter Season

겨울철 강제환기식 돈사 내 온실가스 (CH4, N2O) 배출 특성 연구

  • Park, Junyong (Division of Animal Environment, National Institute of Animal Science (NIAS)) ;
  • Jung, Minwoong (Division of Animal Environment, National Institute of Animal Science (NIAS)) ;
  • Jo, Gwanggon (Geum River Basin Environment Office, Ministry of Environment) ;
  • Jang, Yu-Na (Division of Animal Environment, National Institute of Animal Science (NIAS))
  • Received : 2021.03.17
  • Accepted : 2021.06.07
  • Published : 2021.07.31

Abstract

The emission characteristics and emission factors were determined by measuring the concentration of methane (CH4) and nitrous oxide (N2O), the amount of ventilation, etc. in the two fattening rooms which have the same environment in winter. As a result of monitoring, the average concentration of CH4 and N2O was 20.7-26.7 ppm and 1.4-1.6 ppm. The average temperature inside the room was measured at 20.0-21.4℃, and the average ventilation was 1345.4-1567.3 m3/h. The daily emission of CH4 for the first 30 days showed a constant emission of 3.6-8.2 g/d/m2/pig, but thereafter, the emission increased rapidly. The daily emission of N2O was 0.7-1.3 g/d/m2/pig, showing stable emission during the test period, and relatively insignificant emission compared to the emission of CH4. After repeated test, it was confirmed that there was no significant difference between the two rooms. As a result, the CH4 6. 21 g/d/m2/pig and N2O 1.02 g/d/m2/pig average emission for each room was derived.

Keywords

Acknowledgement

본 연구는 농촌진흥청의 연구비 지원 (과제명: 모돈, 자돈 유래 NH3 배출량 평가 및 바이오커튼 효능 평가 프로토콜 개발, PJ01601902)을 받아 수행되었음.

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