A Case Study for the Development of Environmentally Safe Low-Lead Aviation Gasoline in Ukraine

Abstract

The paper is devoted to the development of environmentally safe avgas compositions with low content of tetraethyl lead. Modern trends in global avgas production and consumption are shown, along with tendencies in restriction of tetraethyl lead use for anti-knock properties improvement. The main methods of avgas octane number rising are shown, among which are introduction of high-octane hydrocarbons, oxygenated compounds and anti-knock additives. The influence of individual hydrocarbons on octane number is studied. It is found that blending alkylate, isopentane, isooctane and benzene with based improves octane number by 2–4 units. Similar tendency is found for blending base gasoline with anti-knock additives. Combination of high-octane hydrocarbons and anti-knock additives has allowed to improve octane number of avgas up to 6 units. Basing on these components new compositions of avgas were developed.