A kinetic model for the enzyme-catalyzed self-epoxidation of oleic acid

被引：62

作者：

Yadav, GD ^{[1
]}

Devi, KM ^{[1
]}

机构：

[1] Univ Bombay, Dept Chem Technol, Div Chem Engn, Bombay 400019, Maharashtra, India

来源：

JOURNAL OF THE AMERICAN OIL CHEMISTS SOCIETY | 2001年 / 78卷 / 04期

关键词：

chemical kinetics; enzyme deactivation; immobilized lipase; oleic acid; self-epoxidation;

D O I：

10.1007/s11746-001-0267-2

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

This paper reports a kinetic model for the self epoxidation of oleic acid with toluene as solvent and Novozym 435 (a commercially available preparation of immobilized Candida antarctica lipase) as catalyst at 30 degreesC. The effects of various parameters on the conversion and rates of reaction were studied. Both the initial rate and the progress curve data were used to fit an ordered bi-bi model. At low temperatures, the rate of epoxidation was faster than the rate of deactivation of the enzyme by hydrogen peroxide.

引用

页码：347 / 351

页数：5

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