The Optimization of Conversion of Waste Edible Oil to Fatty Acid Methyl Esters in Homogeneous Media
文献类型： 外文期刊
作者： Zhang, L. 2 ; Jin, Q. 1 ; Zhang, K. 1 ; Huang, J. 1 ; Wang, X. 1 ;
作者机构： 1.Jiangnan Univ, State Key Lab Food Sci & Technol, Sch Food Sci & Technol, Wuxi 214122, Jiangsu, Peoples R China
2.Henan Acad Agr Sci, Inst Agr Prod Proc, Zhengzhou, Henan Province, Peoples R China
关键词： cosolvent;fatty acid methyl ester;optimum;response surface methodology;waste edible oil
期刊名称：ENERGY SOURCES PART A-RECOVERY UTILIZATION AND ENVIRONMENTAL EFFECTS （ 影响因子：3.447； 五年影响因子：2.406 ）
ISSN： 1556-7036
年卷期： 2012 年 34 卷 5-8 期
页码：
收录情况： SCI
摘要： Conversion of waste edible oil to the fatty acid methyl esters was optimized using sulfuric acid as a catalyst for transesterification and esterification simultaneously, and adding tetrahydrofuran as a cosolvent for producing a homogeneous media. The optimized model was established by the response surface methodology. The optimum conditions were methanol/oil molar ratio of 21:1, 3.95% of sulphuric acid based on the oil mass, and reaction period of 3.3 h at 64 C in the presence of tetrahydrofuran, obtaining a fatty acid methyl esters yield of 98.2%. Further verification experiments confirmed the validity of the predicted model. The result suggested that the present work had a significantly lower reaction temperature and methanol/oil molar ratio by the addition of tetrahydrofuran to the reaction system.
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