Enhanced esterification of oleic acid and methanol by deep eutectic solvent assisted Amberlyst heterogeneous catalyst

被引：39
作者：
Pan, Ying [1 ,2 ]
Alam, Md. Asraful [1 ,4 ]
Wang, Zhongming [1 ,4 ]
Wu, Jingcheng [1 ,4 ]
Zhang, Yi [1 ,4 ]
Yuan, Zhenhong [1 ,3 ,4 ]
机构：
[1] Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R China
[2] Univ Sci & Technol China, Nano Sci & Technol Inst, Suzhou 215123, Peoples R China
[3] Collaborat Innovat Ctr Biomass Energy, Zhengzhou 450002, Henan Province, Peoples R China
[4] Guangdong Key Lab New & Renewable Energy Res & De, Guangzhou 510640, Guangdong, Peoples R China
来源：
BIORESOURCE TECHNOLOGY | 2016年 / 220卷
基金：
中国国家自然科学基金;
关键词：
Amberlyst heterogeneous catalyst; Deep eutectic solvent; Oleic acid; Esterification; Biodiesel; BIODIESEL PRODUCTION; CHOLINE CHLORIDE; OIL; OPTIMIZATION; KINETICS;
D O I：
10.1016/j.biortech.2016.08.113
中图分类号：
S2 [农业工程];
学科分类号：
0828 ;
摘要：
In present study, esterification of oleic acid with methanol using deep eutectic solvent (DES) assisted Amberlyst heterogeneous catalyst was investigated to produce biodiesel. Results showed that esterification efficiency was enhanced by the DES. The combined effect of DES on Amberlyst BD20 (BD20) is better than Amberlyst 15 (A-15) due to different structure. The optimal reaction conditions were 12:1 M ratio of methanol to oleic acid, 20% (wt/wt) catalyst (BD20-DES (2:8) and A-15-DES (8:2)) at 85 degrees C for 100 min with agitating at 200 rpm. The mechanism involved in catalysis and their capacity to reuse were studied. We proposed, Choline chloride-glycerol (Chcl-gly) DES could enhance the Amberlyst function due to the hydrogen bond effect on both DES and water. BD20 has fewer pores than A-15, have desirable performance in decreasing the inhibition the water during esterification of high FFA content and provide better performance in reuse. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：543 / 548
页数：6
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