Factors Influencing the Kinetics of Esterification of Fatty Acids over Solid Acid Catalysts

被引：27
|
作者：
Satyarthi, Jitendra Kumar [1 ]
Radhakrishnan, Sambhu [1 ]
Srinivas, Darbha [1 ]
机构：
[1] Natl Chem Lab, Catalysis Div, Pune 411008, Maharashtra, India
来源：
ENERGY & FUELS | 2011年 / 25卷 / 09期
关键词：
BIODIESEL PRODUCTION; VEGETABLE-OILS; TRANSESTERIFICATION; METHANOL; CHAIN;
D O I：
10.1021/ef2009138
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：
The kinetics of esterification of fatty acids with alcohols over three different solid acid catalysts, viz., large pore zeolite-beta (H beta), micro-mesoporous Fe-Zn double-metal cyanide (DMC), and mesoporous Al-MCM-41, have been reported. Hydrophobicity of these catalysts increases in the order: Al-MCM-41 < H beta < DMC. The chain lengths of the fatty acid (C-8.0-C-18.1) and alcohol (C-1-C-8) molecules have been varied, and their influence on kinetic parameters has been studied. The present study reveals that porosity and surface hydrophobicity of the catalyst are the two important factors other than acid properties (concentration and strength of acid centers) that influence the esterification reaction.
引用
收藏
页码：4106 / 4112
页数：7
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