Immobilized Candida antarctica lipase-catalyzed alcoholysis of cotton seed oil in a solvent-free medium

被引：238
|
作者：
Köse, Ö [1 ]
Tüter, M [1 ]
Aksoy, HA [1 ]
机构：
[1] Istanbul Tech Univ, Dept Chem Engn, TR-80626 Istanbul, Turkey
来源：
BIORESOURCE TECHNOLOGY | 2002年 / 83卷 / 02期
关键词：
alcoholysis; alkyl ester; biodiesel; Candida antarctica; cotton seed oil; immobilized enzyme; transesterification;
D O I：
10.1016/S0960-8524(01)00203-6
中图分类号：
S2 [农业工程];
学科分类号：
0828 ;
摘要：
The alcoholysis (transesterification) of the refined cotton seed oil of Turkish origin with primary and secondary alcohols was investigated in the presence of an immobilized enzyme from Candida antarctica, commercially called Novozym 435 in a solvent-free medium. The optimum conditions of the methanolysis were as follows: 30% enzyme based on oil weight; oil/alcohol molar ratio 1:4; temperature: 50 degreesC and reaction time: 7 h. Maximum methyl esters (ME) yield was 91.5%. At the same conditions cotton seed oil was converted with short-chain primary and secondary alcohols to its corresponding esters with conversions between 72% and 94%. Our results indicated that alcoholysis products of cotton seed oil could be used Lis valuable intermediates in olcochemistry. (C) 2002 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：125 / 129
页数：5
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