Affiliation:
1. Department of Civil and Environmental Technology, Faculty of Technology, University of Sri Jayewardenepura, Homagama, Sri Lanka
Abstract
The aim of this study was to examine the production of biodiesel from waste cooking oil with an acid
value of 1.82 mg KOH/g in the presence of methanol and KOH, utilizing cosolvent technology in
order to increase biodiesel output by overcoming mass transfer resistance. This study examined the
effect of four cosolvents (hexane, diethyl ether, toluene and acetone) on biodiesel yield under optimized
reaction conditions, including cosolvent-to-oil weight ratio, reaction time and temperature. The polarity
index of cosolvent was determined primarily on its biodiesel yield performance. Highest yield (98.46%)
of biodiesel was obtained at 20 wt.% of acetone; 1:6 molar ratio (oil-to-methanol), 1 wt.% KOH at 40
± 1 ºC for 10 min of reaction time at 600 rpm. The physico-chemical properties of biodiesel such as
acid value, density, kinematic viscosity and flash point were evaluated and found to be within ASTM
standards.
Publisher
Asian Journal of Chemistry
Cited by
2 articles.
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