Production of methyl ester from two microalgae by two-step transesterification and direct transesterification

被引：32

作者：

Sivaramakrishnan, Ramachandran ^{[1
]}

Incharoensakdi, Aran ^{[1
]}

机构：

[1] Chulalongkorn Univ, Fac Sci, Dept Biochem, Lab Cyanobacterial Biotechnol, Bangkok 10330, Thailand

来源：

ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH | 2017年 / 24卷 / 05期

关键词：

Microalgae; Hexane; Extraction; Kinetics; Transesterification; ULTRASOUND-ASSISTED EXTRACTION; WASTE COOKING OIL; BIODIESEL PRODUCTION; CATALYZED TRANSESTERIFICATION; LIPID EXTRACTION; BIO-DIESEL; PALM OIL; SEEDS; QUALITY; KINETICS;

D O I：

10.1007/s11356-016-8217-5

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The efficiency of oil extraction from Chlorella sp. and Scenedesmus sp. using different cell disruption and solvent system was investigated. The ultrasound cell disruption method showed the maximum oil extraction in both algae. Oil extraction with hexane resulted in maximum oil yield for both algae. The kinetic parameters were studied and the extraction followed the first-order kinetics. The activation energy and thermodynamic activation parameters were calculated for both microalgae and the results suggested that the extraction was endothermic, irreversible and spontaneous. The methyl ester yields by two-step transesterification and direct transesterification were 95 and 96% for Scenedesmus sp. and 89 and 92% for Chlorella sp. respectively. Both methods had similar net energy consumption suitable for industrial application. The methyl ester properties were analysed in comparison with those of American Society for Testing and Materials (ASTM) D6751 standards.

引用

页码：4950 / 4963

页数：14

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