Optimation Transesterification Reaction Conditions on Biodiesel Production From Beef Tallow

Optimasi Kondisi Reaksi Transesterifikasi Pada Pembuatan Biodiesel Dari Lemak Sapi

  • Rosmawaty Rosmawaty Department of Chemistry, Faculty of Mathematics and Natural Science, University of Pattimura-Indonesia
  • Adriani Bandjar Department of Chemistry, Faculty of Mathematics and Natural Science, University of Pattimura-Indonesia
  • Suntoro Gunoroso Department of Chemistry, Faculty of Mathematics and Natural Science, University of Pattimura-Indonesia
Keywords: Biodiesel, beef tallow, KOH, methanol, transesterification

Abstract

Biodiesel synthesis has been done from beef tallow through two step, esterification and transesterification reactions. Esterification process is done by using  H2SO4 1M as a catalyst, methanol 1:9, temperature of 60-65°C, and for 3 hours. After separated between methanol and trigyceride, then proceed to the process of transesterification. To obtain the optimum reaction conditions then used some transesterification process variables,  there are: the weight percentage catalyst of KOH between 0.1, 0.5, 1; 1.5, and 2%, the reaction time of 1-5 hours and the reaction temperature between 50 -70 oC. Optimum conditions of transesterification reaction for the synthesis of biodiesel derived from beef tallow with KOH catalyst is as follows: the weight percentage of 1% KOH catalyst, the reaction time of 3 hours and the reaction temperature of 65 oC. The results of physical testing of biodiesel fuel by ASTM method includes specific density of 0.8675 g/cm3, kinematic viscosity of 4.971 mm2/s, flash point of 134.5°C, pour point of 27°C, the Conradson carbon residue of 0.018%, and the copper corrosion-pieces of 1B.

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Published
2015-01-31
How to Cite
(1)
Rosmawaty, R.; Bandjar, A.; Gunoroso, S. Optimation Transesterification Reaction Conditions on Biodiesel Production From Beef Tallow. Indo. J. Chem. Res. 2015, 2, 213-222.
Section
Artikel singkat (Short communication)