Enzyme-catalyzed production of 1-glyceryl benzoate in compressed n-butane

被引：8

作者：

Ceni, Giovana ^{[1
,2
]}

da Silva, Patricia Costa ^{[1
]}

Lerin, Lindomar ^{[2
]}

Charin, Rafael Mengotti ^{[1
,3
]}

Oliveira, J. Vladimir ^{[1
]}

Toniazzo, Geciane ^{[1
]}

Treichel, Helen ^{[1
]}

Oestreicher, Enrique Guillermo ^{[2
]}

de Oliveira, Debora ^{[1
]}

机构：

[1] Univ Reg Integrada Alto Uruguai & Missoes URI, Dept Engn Alimentos, BR-99700000 Erechim, RS, Brazil

[2] Univ Fed Rio de Janeiro, Inst Quim, BR-21941909 Rio De Janeiro, Brazil

[3] Univ Fed Parana, Dept Engn Quim, BR-80060000 Curitiba, Parana, Brazil

来源：

ENZYME AND MICROBIAL TECHNOLOGY | 2010年 / 46卷 / 06期

基金：

加拿大自然科学与工程研究理事会; 美国国家科学基金会;

关键词：

Lipase; Transesterification; Compressed solvent; n-Butane; 1-Glyceryl benzoate; Phase equilibrium data; PHASE-EQUILIBRIUM MEASUREMENTS; ACID ETHYL-ESTERS; PALM KERNEL OIL; CARBON-DIOXIDE; SOYBEAN OIL; BIODIESEL FUEL; CASTOR-OIL; LIPASE; BEHAVIOR; PROPANE;

D O I：

10.1016/j.enzmictec.2010.01.007

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：

The aim of this work is to report the enzymatic transesterification production of 1-glyceryl benzoate in compressed n-butane, using a commercial immobilized lipase, Novozym 435. For this purpose, reaction experiments were performed on the basis of phase equilibrium data of the system methyl benzoate/n-butane, measured using the static synthetic method with a variable-volume view cell in the temperature range of 313.15-343.15 K and pressures up to 12 MPa, in the entire compositional range of n-butane. Results indicate the existence of a relatively complex phase behavior for all temperatures investigated with the occurrence of vapor-liquid and liquid-liquid phase transitions. Reaction results showed that the strategy adopted for the experimental design proved to be useful in optimizing the reaction conversion in pressurized n-butane and Novozym 435. The optimum conditions were found to be 5.5 wt% of enzyme, methyl benzoate to glycerol molar ratio of 3:1, 50 degrees C and 6 h of reaction, affording about 6% of 1-glyceryl benzoate yield. (C) 2010 Elsevier Inc. All rights reserved.

引用

页码：513 / 519

页数：7

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