Optimization of alkyl ester production from grease using a phyllosilicate sol-gel immobilized lipase

被引：21

作者：

Hsu, AF ^{[1
]}

Jones, KC ^{[1
]}

Foglia, TA ^{[1
]}

Marmer, WN ^{[1
]}

机构：

[1] USDA ARS, Eastern Reg Res Ctr, Wyndmoor, PA 19038 USA

来源：

BIOTECHNOLOGY LETTERS | 2003年 / 25卷 / 20期

关键词：

alkyl esters; biodiesel; branched esters; immobilized lipase; recycled grease;

D O I：

10.1023/A:1026094318940

中图分类号：

Q81 [生物工程学（生物技术）]; Q93 [微生物学];

学科分类号：

071005 ; 0836 ; 090102 ; 100705 ;

摘要：

Simple alkyl ester derivatives of restaurant grease were prepared using a lipase from Pseudomonoas cepacia immobilized within a phyllosilicate sol-gel matrix as biocatalyst. Alcoholysis reactions of grease were carried out in solvent-free media using a one-step addition of alcohol to the reaction mixture. The immobilized lipase was active from 40 to 70 degreesC. Ester yields (60-97%) were highest when using a ratio of reactants of 2 mmol grease to 8 mmol alcohol and the biocatalyst was 10% (w/w) of grease in the presence of molecular sieves.

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页码：1713 / 1716

页数：4

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