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BIODIESEL FROM PALM FATTY ACID DISTILLATE (PFAD) AND ITS NATURE OF OXIDATIVE STABILITY
Herawati Budiastuti, Sri Widarti, Tina Mulya Gantina

Politeknik Negeri Bandung


Abstract

The price of Palm Fatty Acid Distillate (PFAD) is relatively cheap and its utilization does not compete with food needs. The availability of PFAD in Indonesia is considered sufficient as a supply of raw material for making biodiesel. This study aims to make biodiesel that is in accordance with SNI 7182-2015 with PFAD raw materials and to determine the Induction Period (IP) value of biodiesel made without and with the addition of antioxidant Z. The research stage begins from making biodiesel through etherification reaction and continues with the determination of each IP biodiesel using a modified Rancimat device. PFAD used as raw material is composed of free fatty acids, 88.35% mol of saturated fatty acids and 11.5% mol of unsaturated fatty acids, or the total free fatty acids of 99.85% mol. Biodiesel with PFAD raw material was successfully made with the value of viscosity, density, alkyl ester content and oxidative stability value are in accordance with SNI 7182-2015, but the value of water content and acid number values are out of range with SNI 7182-2015. The average IP of produced biodiesel without addition of antioxidant has reached the minimum standard of 6 hours, which is equal to 6.15 hours

Keywords: antioxidant, biodiesel, Induction Period, PFAD

Topic: Chemical Engineering

Link: https://ifory.id/abstract/MzvaFkb8jPmu

Conference: The Third International Conference on Innovation in Engineering and Vocational Education (ICIEVE 2019)

Plain Format | Corresponding Author (Herawati Budiastuti)

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