Transactions of the Korean hydrogen and new energy society (한국수소및신에너지학회논문집)

The Korean Hydrogen and New Energy Society (한국수소및신에너지학회)
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Effects of Carbohydrate, Protein and Lipid Content of Substrate on Hydrogen Production and Microbial Communities

탄수화물, 단백질, 지방 함량에 따른 혐기성 수소 발효시 부산물 및 미생물 군집 특성 평가

  • LEE, CHAE-YOUNG (Department of Civil Engineering and Institute River Environmental Technology, The University of Suwon) ;
  • HAN, SUN-KEE (Department of Environmental Health, Korea National Open University)
  • 이채영 (수원대학교 토목공학과.하천환경기술연구소) ;
  • 한선기 (한국방송통신대학교 환경보건학과)
  • Received : 2017.07.31
  • Accepted : 2017.10.12
  • Published : 2017.10.30
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Abstract

This study was aimed at evaluating the effects of carbohydrate, protein and lipid content of substrate on hydrogen yields and microbial communities. The hydrogen yields were linearly correlated to carbohydrate content of substrates while others (content of proteins and lipids) did not make a significant contribution. The chemical composition of substrates produced effects on the final products of anaerobic hydrogen fermentation. Acetate and butyrate were the main fermentation products, with their concentration proving to correlate with carbohydrate and protein content of substrates. The result of microbial community analysis revealed that the relative abundances of Clostridium butyricum increased and Clostridium perfringens decreased as the carbohydrate content increased.

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References

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