Nano La2O3 as a heterogeneous catalyst for biodiesel synthesis by transesterification of Jatropha curcas L. oil

被引：70

作者：

Zhou, Quan ^{[1
]}

Zhang, Heng ^{[1
]}

Chang, Fei ^{[1
]}

Li, Hu ^{[1
]}

Pan, Hu ^{[1
]}

Xue, Wei ^{[1
]}

Hu, De-Yu ^{[1
]}

Yang, Song ^{[1
]}

机构：

[1] Guizhou Univ, State Local Joint Lab Comprehens Utilizat Biomass, Key Lab Green Pesticide & Agr Bioengn, Minist Educ,Ctr Res & Dev Fine Chem, Guiyang 550025, Guizhou, Peoples R China

来源：

JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY | 2015年 / 31卷

关键词：

Biodiesel; Transesterification; Heterogeneous catalyst; Nano La2O3; SOLID BASE CATALYST; FREE FATTY-ACIDS; SOYBEAN OIL; ESTERIFICATION; ESTERS;

D O I：

10.1016/j.jiec.2015.07.013

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A comparative study on the activity of La2O3 and two kinds of nano La2O3 catalysts prepared using sonochemical (nano La2O3-S) and hydrothermal methods in the transesterification to produce biodiesel was conducted. The relatively high activity of nano La2O3 catalysts may be ascribed to their high base strength, large base amount, small particle size and large BET surface areas. Nano La2O3-S was selected for further optimisation due to its simple preparation procedure and short preparation time. The FAME content and yield obtained were successively 97.6% and 90.3% under optimal conditions. Moreover, nano La2O3-S showed a remarkable tolerance to FFA. (C) 2015 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.

引用

页码：385 / 392

页数：8

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