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2013•Mahalingam College of Engineering and Technology - Innovare Journal of Engineering & TechnologyOpen access

PRODUCTION OF BIO-DIESEL USED IN DIESEL ENGINES

Kumar, Vinu

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Abstract

To obtain biodiesel, the vegetable oil is subjected to a chemical reaction termed transesterification. Cottonseed oil (CSO) was selected for biodiesel production. In that reaction, the Cottonseed oil is reacted in the presence of a catalyst (sodium hydroxide) with an alcohol (methanol) to give the corresponding methyl esters. Cottonseed is non-edible oil, thus food against fuel conflict will not arise if this is used for biodiesel production. The experiments were conducted in order to evaluate the effects of reaction variable such as methanol/oil molar ratio (1:3.3), catalyst concentration (0.25%), temperature (650C), reaction time 3.0 hours and stirring intensity (300rpm). The methyl ester yield is (84.3%). The methyl esters of cotton seed oil can be used in existing diesel engines without any modifications.

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What this paper is about

To obtain biodiesel, the vegetable oil is subjected to a chemical reaction termed transesterification. Cottonseed oil (CSO) was selected for biodiesel production. In that reaction, the Cottonseed oil is reacted in the presence of a catalyst (sodium hydroxide) with an alcohol (methanol) to give the corresponding methyl esters. Cottonseed is non-edible oil, thus food against fuel conflict will not arise if this is used for biodiesel production. The experiments were conducted in order to evaluate the effects of reaction variable such as methanol/oil molar ratio (1:3.3), catalyst concentration (0.25%), temperature (650C), reaction time 3.0 hours and stirring intensity (300rpm). The methyl ester yield is (84.3%). The methyl esters of cotton seed oil can be used in existing diesel engines without any modifications.

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Available abstract

To obtain biodiesel, the vegetable oil is subjected to a chemical reaction termed transesterification. Cottonseed oil (CSO) was selected for biodiesel production. In that reaction, the Cottonseed oil is reacted in the presence of a catalyst (sodium hydroxide) with an alcohol (methanol) to give the corresponding methyl esters. Cottonseed is non-edible oil, thus food against fuel conflict will not arise if this is used for biodiesel production. The experiments were conducted in order to evaluate the effects of reaction variable such as methanol/oil molar ratio (1:3.3), catalyst concentration (0.25%), temperature (650C), reaction time 3.0 hours and stirring intensity (300rpm). The methyl ester yield is (84.3%). The methyl esters of cotton seed oil can be used in existing diesel engines without any modifications.

Key concepts: Biodiesel, Diesel fuel, Transesterification, Methanol, Cottonseed oil, Biodiesel production, Sodium hydroxide, Pulp and paper industry

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