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Detailed investigation of optimized alkali catalyzed transesterification of Jatropha oil for biodiesel production 被引量:5

Detailed investigation of optimized alkali catalyzed transesterification of Jatropha oil for biodiesel production
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摘要 The non-edible oils are believed to be one of the major feedstock for the production of biodiesel in future.In the present study,we investigated the production of Jatropha oil methyl esters(JOMEs) via alkali-catalyzed transesterification route.The biophysical characteristics of Jatropha oil were found within the optimal range in accordance with ASTM standards as a substitute diesel fuel.The chemical composition and production yield of as-synthesized biodiesel were confirmed by various analytical techniques such as FT-IR,1H NMR,13 C NMR and gas chromatography coupled with mass spectrometry.A high percentage conversion,~96.09%,of fatty acids into esters was achieved under optimized transesterification conditions with 6 :1 oil to methanol ratio and 0.9 wt% Na OH for 50 min at ~60°C.Moreover,twelve fatty acids methyl esters(FAME) were quantified in the GC/MS analysis and it was interesting to note that the mass fragmentation pattern of saturated,monounsaturated and diunsaturated FAME was comparable with the literature reported values. The non-edible oils are believed to be one of the major feedstock for the production of biodiesel in future.In the present study,we investigated the production of Jatropha oil methyl esters(JOMEs) via alkali-catalyzed transesterification route.The biophysical characteristics of Jatropha oil were found within the optimal range in accordance with ASTM standards as a substitute diesel fuel.The chemical composition and production yield of as-synthesized biodiesel were confirmed by various analytical techniques such as FT-IR,1H NMR,13 C NMR and gas chromatography coupled with mass spectrometry.A high percentage conversion,~96.09%,of fatty acids into esters was achieved under optimized transesterification conditions with 6 :1 oil to methanol ratio and 0.9 wt% Na OH for 50 min at ~60°C.Moreover,twelve fatty acids methyl esters(FAME) were quantified in the GC/MS analysis and it was interesting to note that the mass fragmentation pattern of saturated,monounsaturated and diunsaturated FAME was comparable with the literature reported values.
出处 《Journal of Energy Chemistry》 SCIE EI CAS CSCD 2015年第3期331-336,共6页 能源化学(英文版)
基金 financial and moral support from the National Centre for Physics Islamabad,Pakistan to carry out of this present research work Deanship of Scientific Research at King Saud University for it’s funding of this research through the Research Group Project no RGP-VPP-345
关键词 Jatropha oil methyl esters TRANSESTERIFICATION biodiesel fuel gas chromatography mass spectrometry Jatropha oil methyl esters transesterification biodiesel fuel gas chromatography mass spectrometry
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