L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des

Georges Seris

Maurice Bruni

A fuel mixture, comprising from 10 to 60 mols % acetylene and from 40 to 90 mols % ethylene, is prepared by mixing the two constituents in the gaseous phase at a pressure slightly above atmospheric pressure and at a temperature ranging from -25.degree. C. to +20.degree. C.

Method for preparing fuel mixtures for torches and burners

A combustible mixture for torches and burners is formed essentially of at least 15% of a member of the group consisting of methylacetylene and/or propadiene diluted with up to 85% of a diluent which itself is formed of a mixture of at least one C.sub.3 hydrocarbon and at least one C.sub.4 hydrocarbon, and in addition wherein the C.sub.3 diluent comprises at least about 45% of all the C.sub.3 hydrocarbons including the C.sub.3 acetylenes, such that the endothermic heat of formation of the mixture for a molar volume is at least 10 KCal and that the proportion between the C.sub.3 and C.sub.4 hydrocarbons in the diluent is between 70/30 and 95/5.

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Antony, France

Georges Seris