Study on Improvement of the Ignitability and Lubricity of Diesel Fuel with Bio-butanol

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In order to use bio-butanol made by fermentation from the organic matter of various garbage as a blending diesel fuel, the addition of cetane number improver to 1-butanol/diesel fuel blend for the improvement of ignitability, the addition of various biodiesel fuels, that had high kinematic viscosity, to the blend for the improvement of lubricity, and the composite use of these were investigated. From the experimental results, it was concluded that the addition of cetane number improver, the addition of biodiesel fuel, and the composite use of these were valid. And the optimum mixing ratio and combination of fuel were selected by considering the cold flow property, thermal efficiency, and exhaust emissions.