Effect of Reaction Temperature on Biodiesel Production from Waste Cooking Oil Using Lipase as Biocatalyst

被引：10
|
作者：
Istiningrum, Reni Banowati [1 ]
Aprianto, Toni [1 ]
Pamungkas, Febria Lutfi Udin [1 ]
机构：
[1] Islamic Univ Indonesia, Chem Anal Dept, Yogyakarta, Indonesia
来源：
DEVELOPMENT OF CHEMICAL EDUCATION IN 21ST CENTURY LEARNING | 2017年 / 1911卷
关键词：
RICE BRAN;
D O I：
10.1063/1.5016024
中图分类号：
G40 [教育学];
学科分类号：
040101 ; 120403 ;
摘要：
This study aims to determine the effect of temperature on conversion of biodiesel from waste cooking oil enzymatically using lipase extracted from rice bran. The feedstock was simulated waste cooking oil and lipase enzyme was extracted with buffer pH variation. The enzyme activity was titrimetrically determined and the optimum pH buffer was used to study the effect of temperature on the transesterification reaction. Temperature effects were assessed in the range of 45-60 degrees C and the content of methyl esters in biodiesel was determined by GC-MS. The reaction temperature significantly influences the transesterification reaction with optimum biodiesel conversion occurred at 55 degrees C with methyl ester content of 81.19%. The methyl ester composition in the resulting biodiesel is methyl palmitate, methyl oleate and methyl stearate.
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页数：5
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