Fuel oil compositions

Details Fuel oil compositions Fuel oil compositions

C - Chemistry, Metallurgy

10

L

C10L 1/14 (2006.01) C10L 1/18 (2006.01) C10L 1/24 (2006.01) C10L 1/30 (2006.01) C10L 10/02 (2006.01)

Patent

CA 2367517

This invention relates to fuel oil, especially middle distillate fuel oil, compositions comprising middle distillate fuel oil and incorporated therein an additive composition comprising (a) at least one fuel-soluble or fuel-dispersible neutral alkaline earth metal compound and/or at least one fuel-soluble or fuel-dispersible neutral alkali metal compound, and (b) at least one fuel-soluble or fuel-dispersible transition metal compound, characterised in that the fuel oil composition contains at most 0.05 mass% of sulfur, the total metal content derived from (a) and (b) in the fuel oil composition is at most 50 ppm by mass, and the mass proportion of (a) to (b), based on metal content, is in the range of from 1:99 to 99:1.

Cette invention porte sur des compositions de fuel-oil, telles que le fuel-oil de distillat moyen, comprenant du fuel-oil de distillat moyen dans lequel est incorporée une composition d'additif contenant (a) au moins un composé de métal alcalino-terreux neutre soluble ou dispersable dans le carburant, et/ou au moins un composé de métal alcalin neutre soluble ou dispersable dans le carburant, et (b) au moins un composé de métal de transition soluble ou dispersable dans le carburant. Ladite composition de fuel-oil est caractérisée en ce qu'elle contient au maximum 0,05 % en masse de souffre, en ce que la proportion de métal dérivé de (a) et (b) dans la composition de fuel-oil n'excède pas 50ppm en masse, et en ce que la proportion massique de (a) à (b) par rapport au métal varie dans une fourchette de 1:99 à 99:1.

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