Transesterification of Jatropha oil to biodiesel catalyzed by compound immobilized lipase

GAO Jing; MA Li; LI Weijie; WANG Lihua; ZHOU Liya

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Transesterification of Jatropha oil to biodiesel catalyzed by compound immobilized lipase

更新时间：2025-12-10

- Transesterification of Jatropha oil to biodiesel catalyzed by compound immobilized lipase
- CIESC Journal Issue 3, Pages: 750-755(2009)
- 作者机构：
  
  河北工业大学化工学院
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：05 March 2009，
  
  Published：05 March 2009
- 稿件说明：
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GAO Jing, MA Li, LI Weijie, et al. Transesterification of Jatropha oil to biodiesel catalyzed by compound immobilized lipase[J]. CIESC Journal, 2009, (3): 750-755.
DOI：

GAO Jing, MA Li, LI Weijie, et al. Transesterification of Jatropha oil to biodiesel catalyzed by compound immobilized lipase[J]. CIESC Journal, 2009, (3): 750-755. DOI：

摘要

对固定化复合脂肪酶催化麻疯树油合成生物柴油进行了研究，利用3因素5水平中心旋转设计的响应曲面法对反应条件进行了优化，研究了复合酶用量、复合酶配比及底物配比对反应的影响。优化结果为复合酶用量为0.27 g，N435占总酶质量的比例为0.15，乙酸甲酯与麻疯树油的摩尔比为10.10，预测生物柴油得率为72.55 %，与实际产率74.34 %吻合较好。并建立了复合酶催化合成生物柴油反应的动力学方程，反应为双底物抑制，符合乒乓机制。

Abstract

The transesterification of Jatropha oil and methyl acetate to biodiesel catalyzed by a compound lipase was investigated. A 5-level-3-factor central composite rotatable design of the response surface method was used to evaluate the effects of compound enzyme amount

compound enzyme formulation and substrate composition on the yield of biodiesel. The optimum conditions were as follows: enzyme amount 0.27g

compound enzyme formulation 0.15 (mass) N234 and substrate composition of methyl acetate to Jatropha oil 10. 10. Under optimum conditions

the actual experimental yield was 74. 34%

which compared well with the predicted value of 72.55%. The model based on Ping Pong Bi Bi mechanism with substrate competitive inhibition was proposed to describe the reaction kinetics of the transesterification.

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