Synthesis of biodiesel from waste cooking oil using sonochemical reactors

被引：195

作者：

Hingu, Shishir M. ^{[1
]}

Gogate, Parag R. ^{[1
]}

Rathod, Virendra K. ^{[1
]}

机构：

[1] Inst Chem Technol, Dept Chem Engn, Bombay 400019, Maharashtra, India

来源：

ULTRASONICS SONOCHEMISTRY | 2010年 / 17卷 / 05期

关键词：

Sonochemical reactors; Biodiesel synthesis; Waste cooking oil; Transesterification; Cavitation; ULTRASOUND-ASSISTED SYNTHESIS; HYDRODYNAMIC CAVITATION; VEGETABLE-OIL; SOYBEAN OIL; TRANSESTERIFICATION; ESTERIFICATION; ACIDS; INTENSIFICATION; OPTIMIZATION; ALCOHOLS;

D O I：

10.1016/j.ultsonch.2010.02.010

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

Investigation into newer routes of biodiesel synthesis is a key research area especially due to the fluctuations in the conventional fuel prices and the environmental advantages of biodiesel. The present work illustrates the use of sonochemical reactors for the synthesis of biodiesel from waste cooking oil. Transesterification of used frying oil with methanol, in the presence of potassium hydroxide as a catalyst has been investigated using low frequency ultrasonic reactor (20 kHz). Effect of different operating parameters such as alcohol-oil molar ratio, catalyst concentration, temperature, power, pulse and horn position on the extent of conversion of oil have been investigated. The optimum conditions for the transesterification process have been obtained as molar ratio of alcohol to oil as 6:1, catalyst concentration of 1 wt.%, temperature as 45 degrees C and ultrasound power as 200 W with an irradiation time of 40 min. The efficacy of using ultrasound has been compared with the conventional stirring approach based on the use of a six blade turbine with diameter of 1.5 cm operating at 1000 rpm. Also the purification aspects of the final product have been investigated. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：827 / 832

页数：6

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