Odorisation of fuel gas with low-sulphur odorants

C - Chemistry – Metallurgy – 10 – L

Patent

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C10L 3/00 (2006.01)

Patent

CA 2550273

The invention relates to the use of a mixture comprising A) at least two different C1-C6 alkyl acrylate esters, B) at least one compound of the group of C1-C8 mercaptans, C4-C12 thiophenes, C2-C8 sulphides or C2-C8 disulphides, C) at least one compound from the group of norbornenes, C1- C6 carboxylic acids, C1-C8 aldehydes, C6-C14 phenols, C7-C14 anisoles or C4-C14 pyrazines and D) optionally, an antioxidant, for the odorisation of fuel gas with a methane content of at least 60 wt. %. The invention further relates to corresponding fuel gases and methods for odorisation of fuel gases.

L'invention concerne l'utilisation d'un mélange contenant A) au moins deux C1-C6-alkylesters d'acide acrylique différents, B) au moins un composé du groupe des C1-C8-mercaptans, des C4-C12-thiophènes, des C2-C8-sulfures ou des C2-C8-bisulfures, C) au moins un composé du groupe des norbornènes, des C1-C6-acides carboxyliques, des C1-C8-aldéhydes, des C6-C14-phénols, des C7-C14-anisoles ou des C4-C14-pyrazines et D) éventuellement un antioxydant, pour l'odorisation de gaz combustible contenant au moins 60 % en poids de méthane. Cette invention concerne également des gaz combustibles correspondants et un procédé d'odorisation de gaz combustibles.

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