Applied Chemistry for Engineering (공업화학)

The Korean Society of Industrial and Engineering Chemistry (한국공업화학회)
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Oxidation Characteristics of Biodiesel and Its Blend Fuel I

바이오디젤 및 바이오디젤 혼합 연료의 산화 특성 I

  • Jung, Chung-Sub (Research Center, Korea Institute of Petroleum Quality) ;
  • Dong, Jong-In (Faculty of Environmental Engineering, University of Seoul)
  • 정충섭 (한국석유품질관리원 연구센터) ;
  • 동종인 (서울시립대학교 환경공학부)
  • Received : 2007.04.02
  • Accepted : 2007.05.17
  • Published : 2007.06.10

Abstract

Biodiesel and its blend fuels from soybean oil were characterized for their oxidation to apply automobile fuel from the analysis of FAME (fatty acid methyl ester) and chemical properties. Biodiesel produced from soybean oil contained unsaturated fatty acids (> 85 wt%) such as oleic acid, linoleic acid, and linolenic acid. Especially, polyunsaturated fatty acids such as linoleic acid and linolenic acid containing active methyl radical were over 60 wt%. It is believed that linoleic acid and linolenic acid cause oxidation. Linoleic acid and linolenic acid during oxidation were major reactants, and compounds with the carbon number having around 36 (boiling point of about $500^{\circ}C$) were produced from those of radical autoxidation.

Keywords

FAME;bio-diesel oxidation;stability of oxidation;carbon number distribution

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