Biodiesel Production Using a Mixture of Immobilized Rhizopus oryzae and Candida rugosa Lipases

  • Lee, Dong-Hwan (Department of Chemical and Biological Engineering, Korea University) ;
  • Kim, Jung-Mo (Department of Chemical and Biological Engineering, Korea University) ;
  • Shin, Hyun-Yong (Department of Chemical and Biological Engineering, Korea University) ;
  • Kang, Seong-Woo (Department of Chemical and Biological Engineering, Korea University) ;
  • Kim, Seung-Wook (Department of Chemical and Biological Engineering, Korea University)
  • 발행 : 2006.12.31

초록

Biodiesel conversion from soybean oil reached a maximum of 70% at 18 h using immobilized 1,3-specific Rhizopus oryzae lipase alone. Biodiesel conversion failed to reach 20% after 30 h when immobilized nonspecific Candida rugosa lipase alone was used. To increase the biodiesel production yield, a mixture of immobilized 1,3-specific R. oryzae lipase and nonspecific C. rugosa lipase was used. Using this mixture a conversion of greater than 99% at 21 h was attained. When the stability of the immobilized lipases mixture was tested, biodiesel conversion was maintained at over 80% of its original conversion after 10 cycles.

키워드

참고문헌

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