Volume 9, Issue 2 (7-2019)                   JEM 2019, 9(2): 86-95 | Back to browse issues page

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Ebrahimi S, Hashemi S J, Biparva P. A Comparative Study of Biodiesel Fuel Production From Sunflower Oil Using Ultrasound and Heat. JEM. 2019; 9 (2) :86-95
URL: http://energy.kashanu.ac.ir/article-1-1120-en.html
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 an increase in flash point of about 9% and a decrease of viscosity, carbon residue, and water content in fuel 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 its need for less time and better quality characteristics.
Type of Study: Research | Subject: Special

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