Evaluating the optimum operating parameters on transesterification reaction for biodiesel production over a LiAlO2 catalyst

被引：121
作者：
Dai, Yong-Ming [1 ]
Wu, Jhong-Syuan [1 ]
Chen, Chiing-Chang [1 ]
Chen, Kung-Tung [2 ]
机构：
[1] Natl Taichung Univ Educ, Dept Sci Applicat & Disseminat, Taichung 40306, Taiwan
[2] Minghsin Univ Sci & Technol, Teaching Ctr Nat Sci, Hsinchu 30401, Taiwan
来源：
CHEMICAL ENGINEERING JOURNAL | 2015年 / 280卷
关键词：
LiAlO2; Solid-state reaction; Soybean oil; Transesterification; Biodiesel; SOLID BASE CATALYST; SOYBEAN OIL; HETEROGENEOUS CATALYST; RAPESEED OIL; JATROPHA OIL; FUEL; OXIDE; CAO; STABILITY; CARBONATE;
D O I：
10.1016/j.cej.2015.06.045
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
LiAlO2 catalyst was prepared by solid-state reaction and then applied to the biodiesel production by transesterification reaction between methanol and soybean oil. This was the first attempt to use LiAIO(2) as a catalyst for biodiesel production. It was found that the catalyst of 4 (mol(Li2CO3)/mol(Al2O3)) being calcined at 900 degrees C showed the optimum activity. XRD, BET and FE-SEM demonstrated that the Li compound was incorporated into Al2O3 to form LiAlO2 with an enhanced basicity. The maximum conversion achieved 97.5% with 2 h reaction time at 65 degrees C, 24:1 M ratio of methanol to oil and 8 wt.% of catalyst. LiAlO2 could be easily recovered and reused for six cycles without significant deactivation. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：370 / 376
页数：7
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