Effective acid-catalyzed transesterification for biodiesel production

被引：130

作者：

Miao, Xiaoling ^{[1
,2
,3
]}

Li, Rongxiu ^{[1
,2
,3
]}

Yao, Hongyan ^{[4
]}

机构：

[1] Shanghai Jiao Tong Univ, Sch Life Sci & Biotechnol, Shanghai 200240, Peoples R China

[2] Shanghai Jiao Tong Univ, Biomass Energy Res Ctr, Shanghai 200240, Peoples R China

[3] Shanghai Jiao Tong Univ, Minist Educ, Key Lab Microbial Metab, Shanghai 200240, Peoples R China

[4] Shanghai Jiao Tong Univ, Sch Agr & Biol, Shanghai 200240, Peoples R China

来源：

ENERGY CONVERSION AND MANAGEMENT | 2009年 / 50卷 / 10期

关键词：

Biodiesel; Transesterification; Trifluoroacetic acid; Acid catalyst; WASTE COOKING OIL; FREE FATTY-ACIDS; SOYBEAN OIL; CONVERSION; METHANOL;

D O I：

10.1016/j.enconman.2009.06.021

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

High effective acidic transesterification catalyzed by trifluoroacetic acid for biodiesel production was studied in the present research. The results showed that the oil could be converted to biodiesel directly by one-step trifluoroacetic acid catalyze process without extreme temperature and pressure conditions. The optimum process combination was 2.0 M catalyst concentration with 20:1 M ratio of methanol to oil at temperature of 120 degrees C. It reduced product specific gravity from an initial value of 0.965 to a value of 0.878 in about 5 h of reaction time, and the methyl ester content reached as high as 98.4%. The present procedure represents a simple and mild method for biodiesel production in short reaction time and with high conversion rate, which would offer potential for an industrial process. (C) 2009 Elsevier Ltd. All rights reserved.

引用

页码：2680 / 2684

页数：5

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