THE STUDY OF TRANSESTERIFICATIONS REAKTION OF Moringa oleifera Lamk. SEEDS OIL CATALIZED BY SULFURIC ACID AND POTASSIUM HYDROXIDE

Eka Putra, Anggi and Kancono, Kancono and Sal, Prima Yudha (2009) THE STUDY OF TRANSESTERIFICATIONS REAKTION OF Moringa oleifera Lamk. SEEDS OIL CATALIZED BY SULFURIC ACID AND POTASSIUM HYDROXIDE. Undergraduated thesis, Fakultas Keguruan Dan Ilmu Pendidikan UNIB.

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Abstract

The research of “The Study of Transesterifications Reaction of Moringa oleifera Lamk. Seeds Oil Catalyzed by Sulfuric Acid and Potassium Hydroxide” has been done. The aims of this research were to isolate the oil from Moringa oleifera. Lamk seeds, and transform the oil to the methyl ester by transesterifications reaction using H2SO4 and KOH as catalysts, to characterize the methyl ester which has been produced and also to analyze the chemical compounds contained by GC-MS. Result of the research shown that Moringa oleifera seeds oil could be isolated by using maceration method with chloroform as the solvent and Moringa oleifera oil could be transformed to be methyl ester using H2SO4 and KOH as catalyst. The highest conversion was 77,5% by using 0,15 gram of KOH on 2 ml of methanol. The physical characterization showed that the Moringa oleifera seeds methyl ester has 1,03 cSt in kinematic viscosity, density 0,8533 gr/cm3, gel point 130C, boiling point 3460C, T50 349 0C, T90 3510C, cetane number 52,465 and water contained 4,456%. Chemical properties of the methyl ester, Acid number 1,575% wt, and ester contained 98,025%..The result of GC-MS analysis gave the information that the methyl ester of Moringa oleifera seeds contain 11 chemical compounds, with methyl oleic as main compound (41,72% wt) and methyl aleidict as the second (29,99% wt).

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