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Synthesis of Biodiesel from Vegetable Oil Using Supported Metal Oxide Catalysts

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Title Synthesis of Biodiesel from Vegetable Oil Using Supported Metal Oxide Catalysts
 
Creator SINGH, D
BHOI, R
GANESH, A
MAHAJANI, S
 
Subject SOYBEAN OIL
HETEROGENEOUS CATALYST
SOLID CATALYSTS
TRANSESTERIFICATION
KINETICS
ACID
REUSABILITY
CONVERSION
BIOFUELS
METHANOL
 
Description Biodiesel is known for its less polluting, renewable, and biodegradable properties. It is conventionally produced by the alkali-catalyzed transesterification of triglycerides. The use of a heterogeneous catalyst can make the production process cost-effective and environmentally friendly. In this work, we evaluated two catalysts, ZnO/zeolite and PbO/zeolite, for the synthesis of biodiesel using jatropha oil as a feedstock. Both catalysts exhibit reasonably good activity for the reaction of interest and are reusable under the reaction conditions. The leaching of metal ions during the course of the reaction is minimized by using zeolite as a support. The catalysts were characterized by X-ray diffraction, N-2 adsorption, transmission electron microscopy, scanning electron microscopy, and temperature-programmed desorption/temperature-programmed reduction. The PbO/zeolite catalyst performed better than the ZnO/zeolite catalyst when sunflower oil, which is free of fatty acids, was used as the feedstock. However, ZnO/zeolite was more active when jatropha oil, which contains substantial amounts of free fatty acids (>10% w/w), was used as the feedstock.
 
Publisher AMER CHEMICAL SOC
 
Date 2014-12-28T12:24:27Z
2014-12-28T12:24:27Z
2014
 
Type Article
 
Identifier ENERGY & FUELS, 28(4)2743-2753
0887-0624
1520-5029
http://dx.doi.org/10.1021/ef500045x
http://dspace.library.iitb.ac.in/jspui/handle/100/16508
 
Language English