A Simple, Safe Method for Preparation of Biodiesel

被引：27
|
作者：
Behnia, Mahin S. [1 ]
Emerson, David W. [1 ]
Steinberg, Spencer M. [1 ]
Alwis, Rasika M. [1 ]
Duenas, Josue A. [1 ]
Serafino, Jessica O. [1 ]
机构：
[1] Univ Nevada, Dept Chem, Las Vegas, NV 89154 USA
来源：
JOURNAL OF CHEMICAL EDUCATION | 2011年 / 88卷 / 09期
关键词：
Second-Year Undergraduate; Laboratory Instruction; Organic Chemistry; Hands-On Learning/Manipulatives; Fatty Acids; Green Chemistry; IR Spectroscopy; Mechanisms of Reactions; Thin Layer Chromatography; CHEMISTRY EXPERIMENT; DIESEL; OIL;
D O I：
10.1021/ed100460m
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
An experiment suitable for organic chemistry students is described. Biodiesel, a "green" fuel, consists of methyl or ethyl esters of long-chain fatty acids called FAMES (fatty acid methyl esters) or FAEES (fatty acid ethyl esters). A quick way to make FAMES is a base-catalyzed transesterification of oils or fats derived from plants or from animal sources. This experiment utilizes a safe, convenient basic catalyst, K(2)CO(3), anhydrous methanol, and any of several sources of oil to make biodiesel in 20-25 min. Only simple apparatus is required and the product floats on the top of the byproducts. IR spectroscopy, thin-layer chromatography, or relative viscosity are used to evaluate the product.
引用
收藏
页码：1290 / 1292
页数：3
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