Journal of the Korean Applied Science and Technology (한국응용과학기술학회지)

The Korean Society of Applied Science and Technology (한국응용과학기술학회)
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Bio-diesel of Vegetable Oils by Lipase Catalyzed Trans-esterification into Continuous Process

연속공정에서 리파제 촉매 전이에스테르화에 의한 식물유의 바이오디젤화

  • Hyun, Young-Jin (Department of Chemical Engineering and Clean Technology) ;
  • Kim, Hae-Sung (Department of Chemical Engineering, Myongji University)
  • 현영진 (제주대학교 공과대학 청정화학공학과) ;
  • 김해성 (명지대학교 공과대학 화학공학과)
  • Published : 2005.06.30
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Abstract

Bio-diesel as fatty acid methyl ester was derived from such oils as soybean, peanut and canola oil by lipase catalyzed continuous trans-esterification. So the activation of lipase(Novozym - 435) was kept to be up to 4:1, the limiting molar ratio of methanol to oil under one-step addition of methanol due to the miscibility of oil and methanol through the static mixer for 4hrs and the elimination of glycerol on the surface of lipase by 7wt% silica gel. Therefore the overall yield of fatty acid methyl ester from soybean oil appeared to be 98% at 50$^{\cdot}C$ of reaction temperature under two-steps addition of methanol with 2${\times}$2:1 of methanol to oil molar ratio at an interval of 5.5hrs, 7wt% of lipase, 24 number of mixer elements, 0.2ml/min of flow rate and 7wt% of silica gel.

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References

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