Biodiesel production by direct transesterification of microalgal biomass with co-solvent

被引：59
|
作者：
Zhang, Yan [1 ]
Li, Ya [1 ]
Zhang, Xu [1 ]
Tan, Tianwei [1 ]
机构：
[1] Beijing Univ Chem Technol, Natl Energy R&D Ctr Biorefinery, Coll Life Sci & Technol, Beijing 100029, Peoples R China
来源：
BIORESOURCE TECHNOLOGY | 2015年 / 196卷
关键词：
Microalgal biodiesel; Direct transesterification; 75% ethanol and n-hexane; Co-solvent; EXTRACTION; ULTRASOUND; LIPIDS;
D O I：
10.1016/j.biortech.2015.07.052
中图分类号：
S2 [农业工程];
学科分类号：
0828 ;
摘要：
In this study, a direct transesterification process using 75% ethanol and co-solvent was studied to reduce the energy consumption of lipid extraction process and improve the conversion yield of the microalgae biodiesel. The addition of a certain amount of co-solvent (n-hexane is most preferable) was required for the direct transesterification of microalgae biomass. With the optimal reaction condition of n-hexane to 75% ethanol volume ratio 1: 2, mixed solvent dosage 6.0 mL, reaction temperature 90 degrees C, reaction time 2.0 h and catalyst volume 0.6 mL, the direct transesterification process of microalgal biomass resulted in a high conversion yield up to 90.02 +/- 0.55 wt.%. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码：712 / 715
页数：4
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