Kinetics of Ultrasonic Transesterification of Waste Cooking Oil

被引：22

作者：

Grant, Georgene Elizabeth ^{[1
]}

Gude, Veera Gnaneswar ^{[1
]}

机构：

[1] Mississippi State Univ, Dept Civil & Environm Engn, Mississippi State, MS 39762 USA

来源：

ENVIRONMENTAL PROGRESS & SUSTAINABLE ENERGY | 2014年 / 33卷 / 03期

关键词：

biodiesel kinetics; ultrasonic transesterification; waste cooking oil; reaction kinetics; activation energy; BASE-CATALYZED TRANSESTERIFICATION; SOYBEAN OIL; BIODIESEL PRODUCTION; VEGETABLE-OILS; ESTERIFICATION; METHANOL; FUEL;

D O I：

10.1002/ep.11863

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

This study reports the kinetics of ultrasonic transesterification of waste cooking oil into fatty acid methyl esters (FAMEs). Direct sonication of waste cooking oil under controlled external temperatures was performed. Transesterification kinetics under the influence of direct sonication was studied using eight different individual reaction orders with respect to waste cooking oil and methanol. The results show that reaction temperature has a very small effect on the transesterification reaction under direct sonication. The reaction rate constants for different temperatures (35, 45, 55, and 65 degrees C) are determined as: 10.642 g(2) mol(-2) min(-1); 7.053; 7.9727; 10.971 g mol(-1) min(-1) respectively and the activation energy of the ultrasonic transesterification of waste cooking oil was 19,645 J mol(-1) K-1. (C) 2013 American Institute of Chemical Engineers Environ Prog, 33: 1051-1058, 2014

引用

页码：1051 / 1058

页数：8

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