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Dunaliella tertiolecta LB999 유래 바이오디젤의 산화특성 연구

A Study on the oxidation characteristics of micro-algal bio diesel derived from Dunaliella tertiolecta LB999

  • 이돈민 (한국석유관리원 석유기술연구소) ;
  • 이미은 (한국석유관리원 석유기술연구소) ;
  • 하종한 (한국석유관리원 석유기술연구소) ;
  • 류영진 (인하대학교 공과대학 생물공학과) ;
  • 최창용 (인하대학교 공과대학 생물공학과) ;
  • 심상혁 (인하대학교 공과대학 생물공학과) ;
  • 임상민 (인하대학교 공과대학 생물공학과) ;
  • 이철균 (인하대학교 공과대학 생물공학과) ;
  • 이봉희 (충북대학교 공과대학 화학공학과)
  • Lee, Don-Min (Petroleum Technology R&D Center, Korea Petroleum Quality&Distribution Authority) ;
  • Lee, Mi-Eun (Petroleum Technology R&D Center, Korea Petroleum Quality&Distribution Authority) ;
  • Ha, Jong-Han (Petroleum Technology R&D Center, Korea Petroleum Quality&Distribution Authority) ;
  • Ryu, Jin-Young (Department of Biological Engineering, Inha University) ;
  • Choi, Chang-Yong (Department of Biological Engineering, Inha University) ;
  • Shim, Sang-Hyuk (Department of Biological Engineering, Inha University) ;
  • Lim, Sang-Min (Department of Biological Engineering, Inha University) ;
  • Lee, Choul-Gyun (Department of Biological Engineering, Inha University) ;
  • Lee, Bong-Hee (Department of Chemical Engineering, Chungbuk National University)
  • 투고 : 2015.04.29
  • 심사 : 2015.05.13
  • 발행 : 2015.06.30

초록

Bio diesel has advantages to reduce GHG(Greenhouse Gas) compare with the fossil fuel by using oil comes from plant/animal sources and even waste such as used cook oil. The diversity of energy feeds brings the positive effects to secure the national energy mix. In this circumstance, micro-algae is one of the prospective source, though some technical barriers. We analyzed the bio diesel which was derived from Dunaliella tertiolecta LB999 through the BD100 quality specifications designated by the law. From that result, it is revealed that the oxidation stability is one of the properties to be improved. In order to find the reason for low oxidation stability, we analyzed the oxidation tendency of each FAME components through some methods(EN 14111, EN14112, EN16091). In this study, we could find the higher double bond FAME portion, the more oxidative property(C18:1${\ll}C18:3$) in bio diesel and main unsaturated FAME group is acted as the key component deciding the bio diesel's oxidation stability. It is proved experimentally that C18:3 FAME are oxidized easily under the modified accelerated oxidation test. We also figure out low molecular weight hydrocarbon and FAME were founded as a result of thermal degradation. Some alcohol and aldehydes were also made by FAME oxidation. In conclusion, it is necessary to find the way to improve the micro-algal bio diesel's oxidation stability.

키워드

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