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Title

Comparison study of biodiesel fuel production from sunflower oil using by ultrasound and heat

Pages

 Start Page 86 | End Page 95

Abstract

 In this research, a comparison of Biodiesel produced by ultrasound and heat methods was investigated. Methanol was used as the alcohol with molarity 3, 6 and 9 and KOH 0. 5, 1 and 1. 5 wt. % As a catalyst. In ultrasound technique, five vibrating pulse levels and three time levels were used. The results indicate that Biodiesel produced by ultrasound in some properties includes a flash point of about 9% increased and the amount of viscosity, carbon residue and water content in fuel decreased by 27%, 50% and 5%, respectively. The Biodiesel cloud point produced by the heat treatment method-2 and Ultrasound waves 7 was obtained. It should be noted that the fuel produced in both methods can be used as a standard fuel in the engine. It was also found that ultrasonic waves are more appropriate than heat treatment due to the need for less time and better quality characteristics.

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