Abstract
The aim of this study is to investigate the application of ultrasonic energy-assisted biodiesel production process from fish oil catalyzed by KOH at different conditions. The optimization of reaction parameters, such as molar ratio of methanol to oil, catalyst concentration and reaction time, on the transesterification for the production of fish oil methyl ester has been studied. The Taguchi method with an L 9 orthogonal array was implemented to optimize the reaction parameters. The optimal experimental conditions obtained from this study were molar ratio of 9:1, catalyst concentration of 1.5% by Wt. and a reaction time of 30 min. According to Taguchi method, the molar ratio contributed the most important role in the yield of fish oil methyl ester. Validations of the model were done by conducting laboratory experiments. Ultrasonic energy assisted biodiesel production process was proved to be an energy efficient and economically feasible process to produce biodiesel.
Highlights
The growing environmental concerns, the accelerating and frequently fluctuating price of conventional diesel, has sparked renewed attention on the search for an alternative fuel
This study dealt with biodiesel produced by transesterification from Fish oil assisted by ultrasonic energy
It was observed that sonication helps the synthesis of methyl esters from fish oil and higher biodiesel conversion can be obtained within few minutes, whereas the conventional heating process takes more than 60 min
Summary
The growing environmental concerns, the accelerating and frequently fluctuating price of conventional diesel, has sparked renewed attention on the search for an alternative fuel. An alternate to petroleum fuel, biodiesel has emerged as a fuel due to its energy security and lower emissions. Biodiesel produced from edible or non-edible oil or from animal fats are potential substitutes for petroleum based diesel fuels. Biodiesel has the advantages of non-toxic, biodegradable, relatively less inflammable fuel and has significantly lower emissions. Biodiesel produced from edible oil in India is not feasible because of the big gap in demand and supply. To overcome this problem, it has been considered to use other inexpensive, non-edible feedstock for the production of biodiesel (Banapurmath et al, 2008). The present research work emphasizes the use of biodiesel produced from fish oil as a suitable alternative for petroleum diesel (Rasim, 2011; Otto and Jan-Erik, 2010; Preto et al, 2008; Cherng-Yuan and Rong-Ji, 2009)
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