Low-emissions diesel fuel

Details Low-emissions diesel fuel Low-emissions diesel fuel

C - Chemistry, Metallurgy

10

L

C10L 1/32 (2006.01) C10L 1/08 (2006.01) C10L 1/10 (2006.01) C10L 10/02 (2006.01) C10L 1/18 (2006.01) C10L 1/22 (2006.01) C10L 1/30 (2006.01)

Patent

CA 2408907

A low-emissions diesel fuel comprises fungible aviation kerosene grade 55, 50- 300 ppm detergent, 25-500 ppm lubricity additive and a bimetallic, fuel soluble platinum and cerium fuel borne catalyst (e.g., 0.1-2.0 ppm platinum COD and 5-20 ppm cerium oleate). The fuel can be used as is or in the form of an emulsion. A method of reducing the emissions of pollutants from a diesel engine, comprising running the engine on a fuel as defined. Retarding engine timing can further reduce NOx and the use of a diesel particulate filter and/or diesel oxidation catalyst can provide further reductions i carbon monoxide, unburned hydrocarbons and particulates.

L'invention concerne un carburant diesel à faibles émissions, comprenant une qualité de kérosène pour avion fongible de type 55, 50-300 ppm de détergent, 25-500 ppm d'additif de lubrification, et un catalyseur de carburant bimétallique composé de platine et de cérium solubles dans ledit carburant (par exemple, 0,1-2.0 ppm de COD de platine et 5-20 ppm d'oléate de cérium). On peut utiliser ce carburant sous forme d'émulsion. L'invention concerne également un procédé permettant de réduire les émissions de polluants dans un moteur diesel, qui consiste à utiliser le carburant défini dans ledit moteur. Le retard de l'injection permet, en outre, de réduire le NO¿x?, et l'utilisation d'un filtre diesel à particules, et/ou d'un catalyseur d'oxydation du diesel permet de réduire le monoxyde de carbone, et les hydrocarbures et les particules imbrûlés.

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