Methods for reducing fouling deposit formation in jet engines

Chemistry of hydrocarbon compounds – Product blend – e.g. – composition – etc. – or blending process... – With nonhydrocarbon additive

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585 4, 585950, 208 17, 208 48AA, 208 48R, C10L 110, C10L 1000

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056211546

ABSTRACT:
Methods are provided for cleaning and inhibiting the formation of fouling deposits on jet engine components during the combustion of turbine combustion fuel oils. Methods are also provided for inhibiting the formation and emission of soot and smoke from jet engine exhaust during turbine combustion fuel oil combustion. The methods employ a derivative of polyalkenylthiophosphonic acid added to the turbine combustion fuel oil. The preferred derivative is pentaerythritol ester of polyisobutenylthio-phosphonic acid.

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