Modified bentonite as catalyst for esterification of oleic acid and ethanol

被引：17
|
作者：
Aghabarari, Behzad [1 ]
Dorostkar, Nasim [2 ]
机构：
[1] MERC, Nanotechnol & Adv Mat Div, Tehran, Iran
[2] Isfahan Univ Technol, Dept Chem, Esfahan 8415683111, Iran
来源：
JOURNAL OF THE TAIWAN INSTITUTE OF CHEMICAL ENGINEERS | 2014年 / 45卷 / 04期
关键词：
Bentonite; Nanopore; Ionic liquid; Esterification; Biodiesel; FREE FATTY-ACIDS; IONIC LIQUID; BIODIESEL; TRANSESTERIFICATION; ESTERS; CHAIN;
D O I：
10.1016/j.jtice.2014.03.006
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
In this study, bentonite was modified with acidic ionic liquid (modified bentonite with ionic liquid 8B: MBIL8B) and characterized with XRD, BET, SEM and TGA analyses. The esterification of oleic acid with ethanol was studied over this modified bentonite and the effect of reaction temperature, type and amount of catalyst, molar ratio and reaction time was investigated. The results showed that the MBIL8B had higher catalytic activity than sulfuric acid and able to catalyze the esterification of oleic acid to its ethyl ester in 6.5 h with yield greater than 93%. Finally, we studied the catalytic activity of MBIL8B in the esterification of other fatty acids with different alcohols. (C) 2014 Taiwan Institute of Chemical Engineers. Published by Elsevier B.V. All rights reserved.
引用
收藏
页码：1468 / 1473
页数：6
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