Water/hydrocarbon emulsified fuel preparation and use thereof

Details Water/hydrocarbon emulsified fuel preparation and use thereof Water/hydrocarbon emulsified fuel preparation and use thereof

C - Chemistry, Metallurgy

10

L

C10L 1/32 (2006.01)

Patent

CA 2527324

The invention relates to an emulsified fuel, comprising a major fraction of an emulsion of water and liquid hydrocarbons with a weight ratio of water/hydrocarbons of 5 / 95 to 35 / 65, characterised in containing an emulsifying system with at least 15 % by weight of a fatty acid ester and polyoxyalkylated glycerol with at least one component of the group formed by the esters of fatty acids and sorbitan and the products of condensation of a succinic acid or anhydride with at least one amine, polyamine, fatty acid, polyoxyalkylated fatty acid, alcohol, polyoxyalkylated alcohol and mixtures of the above. The invention further relates to a method for production of such an emulsified fuel, a composition of emulsifying additives for such an emulsified fuel, a method for improvement of the thermal stability of an emulsified fuel by means of use such an additive composition, as well as the use of such an emulsified fuel as engine fuel.

L'invention a pour objet un combustible émulsionné contenant une proportion majeure d'une émulsion d'eau et d'hydrocarbures liquides avec un rapport en poids eau / hydrocarbures allant de 5 / 95 à 35 / 65, caractérisé en ce qu'il contient un système émulsifiant comprenant au moins 15 % en poids d'un ester d'acide gras et de glycérol polyoxyalkylé, et d'au moins un constituant du groupe formé par les esters d'acide gras et de sorbitan et les produits de condensation d'un acide ou d'un anhydride succinique avec au moins une amine, une polyamine, un acide gras, un acide gras (poly)oxyalkylé, un alcool, un alcool (poly)oxyalkylé et les mélanges de ces composés. L'invention fournit aussi un procédé de préparation d'un tel combustible émulsionné, une composition d'additifs émulsifiants pour un tel combustible émulsionné, une méthode d'amélioration de la stabilité thermique d'un combustible émulsionné par emploi d'une telle composition d'additifs, ainsi que l'utilisation d'un tel combustible émulsionné comme carburant.

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