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Evaluation of Characterization During Start-up of Anaerobic Digestion Via Various Seeding Methods

음식물류 폐기물의 혐기성 소화 시 식종 방법에 따른 start-up 특성 평가

  • LEE, CHAE-YOUNG (Dept. of Civil Eng., The University of Suwon, Institute River Environmental Technology) ;
  • HAN, SUN-KEE (Dept. of Environ. Health, Korea National Open University)
  • 이채영 (수원대학교 토목공학과.하천환경기술연구소) ;
  • 한선기 (한국방송통신대학교 환경보건학과)
  • Received : 2016.08.01
  • Accepted : 2016.10.30
  • Published : 2016.10.30

Abstract

This study was performed to evaluate the characteristics of start-up of anaerobic digestion from food waste with different inoculum ratios. The hydrogen yield was similar with different inoculum ratios. The hydrogen production rate increased with increasing inoculum ratio. But the specific hydrogen production rate decreased with increasing inoculum ratio. Total volatile fatty acids composition analysis showed that butyrate and acetate were the prevalent products in all reactors, followed by lactate and propionate. The acetate was most prevalent product in reactors at $X_0/S_0=0.080$ and 0.159. But in reactors at $X_0/S_0=0.239$ and 0.318, butyrate accounted for greater than 50% of the total volatile fatty acids.

Keywords

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