Optimization of transesterification of castor oil with ethanol using a central composite rotatable design (CCRD)

被引：69
|
作者：
Cavalcante, Kiany S. B. [1 ,2 ]
Penha, Maria N. C. [1 ]
Mendonca, Karlene K. M. [1 ]
Louzeiro, Hilton C. [1 ,2 ]
Vasconcelos, Antonio C. S. [1 ,2 ]
Maciel, Adeilton P. [1 ]
de Souza, Antonio G. [2 ]
Silva, Fernando C. [1 ]
机构：
[1] Univ Fed Maranhao, Lab Nucleo Biodiesel, Sao Luis, MA, Brazil
[2] Univ Fed Paraiba, Lab Combustiveis Lubrificantes & Biodiesel, BR-58059900 Joao Pessoa, Paraiba, Brazil
来源：
FUEL | 2010年 / 89卷 / 05期
关键词：
Biodiesel; Castor oil; Central composite rotatable design; RAPESEED OIL; BIODIESEL; FATS;
D O I：
10.1016/j.fuel.2009.10.029
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
In the present study, the synthesis of fatty acid esters from castor oil using an alkaline catalyst was optimized. The variables reaction time, catalyst amount and oil: ethanol molar ratio were studied using a central composite rotatable design. The effects and significance of the models on the response variable and on ethyl biodiesel yield derived from pure castor oil were evaluated using a response surface curve and analysis of variance. All the variables significantly affected the reaction yield, the amount of catalyst being the most effective. The highest yield was obtained using an oil: ethanol molar ratio of 1: 11, 1.75% KOH and a reaction time of 90 min. (C) 2009 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1172 / 1176
页数：5
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