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Biodegradation Characteristics of Swine and Cattle Using Anaerobic Batch Tests

혐기성 회분식 실험을 통한 돈 및 우육의 분해 특성

  • Kim, Jung-Kwang (Department of Civil Engineering, Institute of River Environmental Technology, The University of Suwon) ;
  • Choi, Jae-Min (Department of Civil Engineering, Institute of River Environmental Technology, The University of Suwon) ;
  • Kim, Jae-Yoon (Department of Civil Engineering, Institute of River Environmental Technology, The University of Suwon) ;
  • Park, Joon-Kyu (Dasan Consultants R&D center) ;
  • Lee, Chae-Young (Department of Civil Engineering, Institute of River Environmental Technology, The University of Suwon)
  • 김정광 (수원대학교 토목공학과.하천환경기술연구소) ;
  • 최재민 (수원대학교 토목공학과.하천환경기술연구소) ;
  • 김재윤 (수원대학교 토목공학과.하천환경기술연구소) ;
  • 박준규 ((주)다산컨설턴트 기술연구소) ;
  • 이채영 (수원대학교 토목공학과.하천환경기술연구소)
  • Received : 2014.02.17
  • Accepted : 2014.03.30
  • Published : 2014.03.30

Abstract

This study was conducted to investigate the biodegradation characteristics of swine and cattle using anaerobic batch tests. The results showed that the maximum methane production rate($MPR_{max}$) and acclimation time(AT) of swine were 46.7 mL $CH_4/g$ VS.d and 17.2 d, respectively. The $MPR_{max}$ and AT of cattle were 56.5% and 24.0% lower than those of swine. The characteristics of anaerobic biodegradation varied with livestock species but $MPR_{max}$ and AT increased linearly with the content of lipid. The $MPR_{max}$ and AT of cattle with content of lipid were more sensitive than those of swine.

본 연구에서는 돈과 우육의 생분해도 특성을 평가하기 위하여 혐기성 회분식 실험을 수행하였다. 돈육의 경우 최대 메탄 발생속도와 초기 순응 시간은 각각 46.7 mL CH4/g VS.d 및 17.2 d로 나타났다. 우육의 경우에는 돈육에 비해 최대 메탄 발생 속도는 56.5%, 초기 순응 시간은 24% 낮게 나타났다. 축종별 혐기성 생분해도 차이는 상이하게 보이나 동일 축종 내 지방 함량 증가에 따라 최대 메탄 발생속도와 초기 순응 시간은 선형적으로 증가하였다. 또한, 지방 함량 증가에 따른 우육의 최대 메탄 발생속도 및 초기 순응 시간 상승률은 돈육에 비해 높게 나타났다.

Keywords

Acknowledgement

Supported by : 환경부

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