Evaluation of the Oxidation Stability of Diesel/Biodiesel Blends using the Modified Rancimat Method

George Karavalakis; Dimitrios Karonis; Stamoulis Stournas

doi:10.4271/2009-01-1828

2009-06-15

Evaluation of the Oxidation Stability of Diesel/Biodiesel Blends using the Modified Rancimat Method 2009-01-1828

This study describes the effect of different types of biodiesel (fatty acid methyl esters, FAME) on the oxidative stability of low and ultra low sulfur automotive diesel fuels. Eight different samples of FAME were employed to create blends of 2, 3, 4, 5, 7, and 10% v/v with four different types of diesel fuels. The samples were analyzed using the modified Rancimat method (EN 15751). The aim of this paper was to evaluate the impact of biodiesel source material and biodiesel concentration in diesel fuel, on the oxidation stability of the final blend. Moreover, the effect of sulfur content and the presence of cracked stocks in the base diesel fuel, on the oxidation stability of the final blends were also investigated.

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Evaluation of the Oxidation Stability of Diesel/Biodiesel Blends using the Modified Rancimat Method 2009-01-1828

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