PRODUKSI BIODIESEL DARI TRANSESTERIFIKASI MINYAK JELANTAH DENGAN BANTUAN GELOMBANG MIKRO: PENGARUH INTENSITAS DAYA DAN WAKTU REAKSI TERHADAP RENDEMEN DAN KARAKTERISTIK BIODIESEL

The purpose of this research was to study the effect of power intensity and reaction time on the yield and the characteristic using an erlenmeyer glass heated in a microwave oven with power capacity of 399 watt and frequency of 2,450 arrangements was used in this experiment. Treatment consisted of two factors, namely power intensity and reaction time. The power intensity included three levels (30, 50, and 70%). Similarly did for the reaction time (30, 60, and 120 cooking oil to methanol). Parameters to be analyzed included biodiesel yield, acid number, density, and viscosity of = 1%. The results showed that both microwave power intensity and reaction time and their interaction had no effect on the viscosity, acid number and density of produced biodiesel. Biodiesel produced has acid number of 2.98 to 4.20 mgKOH/g, density of 0.87 to 0.88 g/mL, and viscosity of 1.9 to 2 cSt. Microwave power intensity and reaction time andtime of 30 seconds was adequate for microwave-assisted biodiesel synthesis with an average yield reaching 91.1%. Keywords: biodiesel, waste cooking oil, transesterification, microwave

Abstract licence: CC BY-SA

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