Abstract

The existing conventional energy sources are depleting day by day, their prices are increasing, so there is necessity to make use of sources of alternative energy. Biodiesel stands as an important alternative to diesel. It is obtained from human consumable and non-consumable oil. In this paper study of biodiesel synthesis and process optimization for kinematic viscosity and biodiesel yield obtained from Xanthium strumarium L. seed oil is carried out through Taguchi L9 (34) orthogonal array by considering methanol: oil mass molar ratio, heating temperature, heating time and concentration of catalyst as variable parameters. Stirring speed is taken as constant parameter. For optimization concentration of catalyst 0.8% to 1.2% by weight, methanol: oil molar proportion from 5:1 to 7:1, reaction temperature from 550C to 65 °C and heating duration of 40 to 50 min is used. By using ANOVA contribution of each factor on biodiesel yield and kinematic viscosity is determined. The result shows that, biodiesel produced from Xanthium strumarium L. seed oil has properties similar to other biodiesel fuel and are as per ASTM standards.

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