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脂肪酸在超临界甲醇中的酯化反应研究 被引量：3

Esterification of fatty acid in supercritical methanol
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摘要 Esterification of oleic acid in supercritical methanol was investigated;the effects of operation parameters such as reaction temperature,reaction time and molar ratio of methanol to oleic acid on the conversion of oleic acid were examined.The results illustrated that the esterification of oleic acid in supercritical methanol can be realized under much milder conditions(i.e.lower temperature,shorter reaction time as well as lower molar ratio of methanol to oleic acid) than the transesterification of grease in supercritical methanol.These suggested that triglycerides first hydrolyze to fatty acids and then the fatty acids undergo methyl esterification to form methyl esters in supercritical methanol.Therefore,it is feasible to use the feedstock containing higher water and free fatty acid,such as waste cooking oil and deodorizer distillate,to produce biodiesel in low cost with supercritical methanol. Esterification of oleic acid in supercritical methanol was investigated; the effects of operation parameters such as reaction temperature, reaction time and molar ratio of methanol to oleic acid on the conversion of oleic acid were examined. The results illustrated that the esterification of oleic acid in supercritical methanol can be realized under much milder conditions （ i. e. lower temperature, shorter reaction time as well as lower molar ratio of methanol to oleic acid） than the transesterification of grease in supercritical methanol. These suggested that triglycerides first hydrolyze to fatty acids and then the fatty acids undergo methyl esterification to form methyl esters in supercritical methanol. Therefore, it is feasible to use the feedstock containing higher water and free fatty acid, such as waste cooking oil and deodorizer distillate, to produce biodiesel in low cost with supercritical methanol.
作者 向丽 程健
机构地区 武汉工程大学绿色化工过程省部共建教育部重点实验室
出处 《燃料化学学报》 EI CAS CSCD 北大核心 2008年第1期111-114,共4页 Journal of Fuel Chemistry and Technology
关键词 脂肪酸 生物柴油 超临界甲醇 酯化反应 fatty acid biodiesel supercritical methanol esterification
分类号 TQ645.1 [化学工程—精细化工]
  • 相关文献

参考文献9

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二级参考文献20

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共引文献22

同被引文献33

  • 1佘珠花,刘大川,潭蓓玉.麻疯树籽油甲酯化工艺的研究[J].中国油脂,2005,30(9):34-36. 被引量：20
  • 2胡秋龙,刘灿明,吴苏喜,刘祥华,曾凡佳.生物柴油的应用近况和发展前景[J].粮食科技与经济,2006,31(1):47-49. 被引量：8
  • 3杨顺林,范月清,沙毓沧,朱红业,段曰汤.麻疯树资源的分布及综合开发利用前景[J].西南农业学报,2006,19(B09):447-452. 被引量：22
  • 4JIAN-ZHONG YIN, MIN XIAO, JI-BIN SONG. Biodiesel from Soybean Oil in Supercritical Methanol with Co-solvent [J]. Energy Conversion and Management, 2008, 49: 908-912.
  • 5KUSDIANA D, SAKA S. Two-step Preparation for Catalyst Free Biodiesel Fuel Production-hydrolysis and Methyl Esterification [J]. Appl Biochem Biotech, 2004, 115 (1-3): 781-791.
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  • 7Harnny Johanes Berchmans,Shizuko Hirata.Biodiesel produc-tion from crude Jatropha curcas L.seed oil with a high cont-ent of free fatty acids[J].Bioresource Technology,2007,(3):1-6.
  • 8Wilhelm Haas,Martin Mittelbach.Detoxification experiments with the seed oil from Jatropha curcas L.[J].Industrial Crops and Products,2000,12:111-118.
  • 9Sivaprakasam S,Saravanan C G.Optimization of the transes-terifica-tion process for biodiesel production and use of bBiodiesel in a compression ignition engine[J].Energy & Fu-els,2007,21:2998-3003.
  • 10Danan Kusaiana,Shiro Saka.Two-step preparation for cata-lyst-free biodiesel fuel production[J].Applied Biochemistry and Biotechnology,2004,115(1-3):781-791.

引证文献3

二级引证文献13

燃料化学学报
2008年 第1期

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