Method of increasing the oxidation stability of biodiesel

Details Method of increasing the oxidation stability of biodiesel Method of increasing the oxidation stability of biodiesel

C - Chemistry, Metallurgy

10

L

C10L 1/19 (2006.01) C10L 1/08 (2006.01) C10L 1/183 (2006.01) C10L 1/24 (2006.01)

Patent

CA 2541665

The invention relates to a method of increasing the oxidation stability of biodiesel, which comprises adding at least one primary antioxidant having the structure (see formula I, II) where (see formula III), -S-, n = 1 to 5, E = methyl, tert-butyl, (see formula IV or V) R1, R4, R5 = hydrogen, an alkyl group, and R2 = hydrogen, a methyl group, to the biodiesel to be stabilized in an amount of from 10 to 20 000 ppm (w/w), the use of these primary antioxidants for increasing the oxidation stability of biodiesel and also the corresponding oxidation-stabilized biodiesel.

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