Kinetics studies of synthesis of biodiesel from waste frying oil using a heterogeneous catalyst derived from snail shell

被引：286

作者：

Birla, Ashish ^{[2
]}

Singh, Bhaskar ^{[1
]}

Upadhyay, S. N. ^{[2
]}

Sharma, Y. C. ^{[1
]}

机构：

[1] Banaras Hindu Univ, Dept Appl Chem, Varanasi 221005, Uttar Pradesh, India

[2] Banaras Hindu Univ, Dept Chem Engn & Technol, Varanasi 221005, Uttar Pradesh, India

来源：

BIORESOURCE TECHNOLOGY | 2012年 / 106卷

关键词：

Activation energy; Biodiesel; Heterogeneous catalyst; Kinetics; Snail shell; SOYBEAN OIL; CALCIUM-OXIDE; FATTY ESTERS; COOKING OIL; TRANSESTERIFICATION; FUEL;

D O I：

10.1016/j.biortech.2011.11.065

中图分类号：

S2 [农业工程];

学科分类号：

0828 ;

摘要：

Waste frying oil was used to produce biodiesel using calcined snail shell as a heterogeneous base catalyst. Trans esterification reactions were carried out and the yield and conversion of the product were optimized by varying the methanol to oil molar ratio, catalyst amount, reaction temperature, and time. A biodiesel conversion of 99.58% was obtained with a yield of 87.28%. The reaction followed first order kinetics. The activation energy (E-A) was 79 kj/mol and the frequency factor (A) was 2.98 x 10(10) min(-1). The fuel properties of the biodiesel were measured according to ASTM D 6751 and found to be within the specifications. Snail shell is a novel source for the production of heterogeneous base catalyst that can be successfully utilized for synthesis of biodiesel of high purity. (C) 2011 Elsevier Ltd. All rights reserved.

引用

页码：95 / 100

页数：6

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