Two-step supercritical dimethyl carbonate method for biodiesel production from Jatropha curcas oil

Bioresource Technology
Zul Ilham, Shiro Saka

Abstract

This study reports on a novel two-step process for biodiesel production consisting of hydrolysis of oils in sub-critical water and subsequent supercritical dimethyl carbonate esterification. This process found to occur optimally at the sub-critical water treatment (270 degrees Celsius/27 MPa) for 25 min followed by a subsequent supercritical dimethyl carbonate treatment (300 degrees Celsius/9 MPa) for 15 min to achieve a comparably high yield of fatty acid methyl esters, at more than 97 wt%. In addition, the fatty acid methyl esters being produced satisfied the international standard specifications for use as biodiesel fuel. This new process for biodiesel production offers milder reaction condition (lower temperature and lower pressure), non-acidic, non-catalytic and applicable to feedstock with high amount of free fatty acids such as crude Jatropha curcas oil.

References

Feb 10, 2004·Bioresource Technology·Gemma VicenteJosé Aracil
Apr 1, 2004·Applied Biochemistry and Biotechnology·Dadan Kusdiana, Shiro Saka
Sep 17, 2004·Applied Microbiology and Biotechnology·Th Willke, K-D Vorlop
Sep 9, 2008·Biotechnology Advances·Gervásio Paulo da SilvaJonas Contiero

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Citations

Sep 6, 2012·International Journal of Molecular Sciences·Diego LunaJuan Calero
Aug 6, 2014·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Carlos LunaAntonio A Romero
May 8, 2015·Journal of Oleo Science·Weal AbdelmoezShahenaz M Naguib
Nov 26, 2010·Bioresource Technology·Joon Ching JuanTaufiq-Yap Yun Hin
Oct 27, 2010·Bioresource Technology·Meisam HasheminejadAzita Javani
Jul 25, 2012·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Juana M BernalSantiago V Luis

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