Glyoxal as fuel additive

Details Glyoxal as fuel additive Glyoxal as fuel additive

C - Chemistry, Metallurgy

10

L

C10L 1/10 (2006.01) C10L 1/18 (2006.01) C10L 10/00 (2006.01) C10L 10/02 (2006.01) C10L 1/12 (2006.01)

Patent

CA 2345099

Glyoxal in an aqueous solution is used in a fuel additive in order to reduce pollutants in the exhaust gases of gasoline and diesel engines. It is sufficient to add glyoxal in aqueous solution to gasoline in the dilution in the ratio of 1:1.000 to 1:20.000 and higher in order to obtain a reduction of unburned hydrocarbons and carbon monoxide in vehicles with catalytic converters at idle and at increased idle of almost 100 %. Esterified aliphats and polyethyleneglycol are added as emulsifiers and solubilizers. Additionally, glyoxal can be used in form of its acetals and hemiacetals with the resultant product being added to the fuel in combustion engines in order to reduce the pollutant emission and carbon particles/deposits.

On utilise du glyoxal en solution aqueuse dans un additif pour carburant afin de réduire la teneur en polluants des gaz d'échappement des moteurs diesel et essence. Il suffit d'ajouter le glyoxal en solution aqueuse à l'essence selon un rapport de dilution de 1:1.000 à 1:20.000 et plus pour obtenir une réduction de presque 100 % de la quantité émise d'hydrocarbures non brûlés et de monoxyde de carbone dans les véhicules équipés de convertisseurs catalytiques tournant au ralenti ou à un ralenti accéléré. On ajoute des aliphates estérifiés et du polyéthylèneglycol faisant office d'émulsifiants et d'agents de solubilisation. En outre, le glyoxal peut être utilisé sous la forme de ses acétals et hémi-acétals, le produit obtenu étant alors ajouté au carburant dans les moteurs à combustion afin de réduire les émissions polluantes et les particules/dépôts de carbone.

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