Preparation of Na doped SiO2 solid catalysts by the sol-gel method for the production of biodiesel from jatropha oil

Emil Akbar; Narayanan Binitha; Zahira Yaakob; Siti Kartom Kamarudin; Jumat Salimon

doi:10.1039/B916263C

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Green Chemistry

Issue 11, 2009

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Preparation of Na doped SiO₂ solid catalysts by the sol-gel method for the production of biodiesel from jatropha oil

Emil Akbar , Narayanan Binitha , Zahira Yaakob , Siti Kartom Kamarudin and Jumat Salimon

Green Chem., 2009, 11, 1862-1866

DOI: 10.1039/B916263C
Received 08 Jun 2009, Accepted 06 Aug 2009
First published on the web 07 Sep 2009

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A new solid catalyst, Na/SiO₂, which have come in demand recently due to environmental concerns is prepared using the sol gel method by transesterification of jatropha oil with methanol to produce a biodiesel fatty acid methyl ester. Na/SiO₂ with a loading of 50:50 molar ratio Na/Si, calcined at 600 °C exhibited the best catalytic activity for the reaction. The conversion of vegetable oil is found to be 99%. The optimum reaction conditions are achieved at the reflux temperature of methanol (65 °C), with a 1:15 molar ratio of methanol to oil and a catalyst amount of 6 wt%. The catalyst showed high activity under mild conditions and at a relatively short reaction time of 45 min.

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Articles By

Emil Akbar
Narayanan Binitha
Zahira Yaakob
Siti Kartom Kamarudin
Jumat Salimon

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Green Chemistry

Preparation of Na doped SiO₂ solid catalysts by the sol-gel method for the production of biodiesel from jatropha oil

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