Fuel compositions exhibiting improved fuel stability

C - Chemistry – Metallurgy – 10 – L

Patent

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C10L 1/14 (2006.01) C10L 1/02 (2006.01) C10L 1/10 (2006.01) C10L 10/00 (2006.01)

Patent

CA 2274607

A fuel composition of the present invention exhibits minimized hydrolysis and increased fuel stability, even after extended storage at 65 ~F for 6-9 months. The composition, which is preferably not strongly alkaline (3.0 to 10.5), is more preferably weakly alkaline to mildly acidic (4.5 to 8.5) and most preferably slightly acidic (6.3 to 6.8), includes a lower dialkyl carbonate, a combustion improving amount of at least one high heating combustible compound containing at least one element selected from the group consisting of aluminum, boron, bromine, bismuth, beryllium, calcium, cesium, chromium, cobalt, copper, francium, gallium, germanium, iodine, iron, indium, lithium, magnesium, manganese, molybdenum, nickel, niobium, nitrogen, phosphorus, potassium, palladium, rubidium, sodium, tin, zinc, praseodymium, rhenium, silicon, vanadium, or mixture, and a hydrocarbon base fuel.

La présente invention concerne une composition de carburant caractérisée par une hydrolyse réduite et une stabilité du carburant accrue, même après un stockage prolongé de 6 à 9 moins à 65 ·F. Cette composition, qui, de préférence, n'est pas fortement alcaline (3,0 à 10,5), plus avantageusement faiblement alcaline à moyennement acide (4,5 à 8,5) et encore plus avantageusement légèrement acide (6,3 à 6,8), comprend un carbonate de dialkyle inférieur, une quantité améliorant la combustion d'au moins un composée d'un combustible à pouvoir calorifique élevé, renfermant un élément choisi dans le groupe comprenant: aluminium, bore, brome, bismuth, beryllium, calcium, césium, chrome, cobalt, cuivre, francium, gallium, germanium, iode, fer, indium, lithium, magnésium, manganèse, molybdène, nickel, niobium, azote, phosphore, potassium, palladium, rubidium, sodium, étain, zinc, praséodyme, rhénium, silicium, vanadium, ou leur mélange et un combustible à base d'hydrocarbure.

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