Transesterification of castor oil in a solvent-free medium using the lipase from Burkholderia cepacia LTEB11 immobilized on a hydrophobic support

被引：31

作者：

Baron, Alessandra Machado ^{[1
]}

Barouh, Nathalie ^{[2
]}

Barea, Bruno ^{[2
]}

Villeneuve, Pierre ^{[2
]}

Mitchell, David Alexander ^{[3
]}

Krieger, Nadia ^{[4
]}

机构：

[1] Univ Tecnol Fed Parana, Dept Quim, BR-86812460 Apucarana, Parana, Brazil

[2] Ctr Cooperat Int Rech Agron Dev CIRAD, UMR IATE, F-34398 Montpellier 5, France

[3] Univ Fed Parana, Dept Bioquim & Biol Mol, BR-81531980 Curitiba, Parana, Brazil

[4] Univ Fed Parana, Dept Quim, BR-81531980 Curitiba, Parana, Brazil

来源：

FUEL | 2014年 / 117卷

关键词：

Castor oil; Lipases; Burkholderia cepacia; Biodiesel; Transesterification; BIODIESEL FUEL PRODUCTION; ENZYMATIC PRODUCTION; CURRENT STATE; SYSTEM; ESTERS; ESTERIFICATION; OPTIMIZATION; METHANOLYSIS; ALCOHOLYSIS; ETHANOLYSIS;

D O I：

10.1016/j.fuel.2013.09.065

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

We demonstrate, for the first time, the lipase-catalyzed ethanolysis of castor oil in a solvent-free system. The lipase used was that of Burkholderia cepacia LTEB11, immobilized on Accurel EP 100. With a loading of 4.5% (mass of enzyme preparation in relation to the mass of triacylglycerols in the castor oil) and an ethanol to oil molar ratio of 3: 1, 90% conversion of fatty acids to their corresponding ethyl esters was achieved in 6 h. These results are comparable to results reported in the literature for the lipase-catalyzed ethanolysis of castor oil in supercritical CO2 and in systems containing n-hexane as the solvent. Our system has the advantage of being simpler to operate. (C) 2013 Published by Elsevier Ltd.

引用

页码：458 / 462

页数：5

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