Heavy lube oil from fischer-tropsch wax

C - Chemistry – Metallurgy – 10 – G

Patent

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Details

C10G 65/04 (2006.01) C10G 2/00 (2006.01) C10G 45/64 (2006.01)

Patent

CA 2498828

A heavy lubricant base stock is made by (a) producing a synthesis gas from natural gas, (b) reacting the H2 and CO in the gas in the presence of a cobalt Fischer-Tropsch catalyst, at reaction conditions effective to synthesize waxy hydrocarbons boiling in the heavy lubricant oil range, which are hydrodewaxed it at least two stages, with interstage separation and removal of the lighter material.

L'invention concerne une charge de base lubrifiante lourde formée par un procédé consistant à : (a) produire un gaz de synthèse à partir d'un gaz naturel, (b) faire réagir H¿2? et CO dans du gaz en présence d'un catalyseur cobalt Fischer-Tropsch, dans des conditions réactionnelles efficaces pour la synthèse d'hydrocarbures cireux en ébullition dans la plage des huiles lubrifiantes lourdes. Ces hydrocarbures sont hydrodécirés au moins en deux étapes, avec une séparation entre les étapes et un retrait de la matière légère.

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