A method for making a lubricating oil with improved low...

Details A method for making a lubricating oil with improved low... A method for making a lubricating oil with improved low...

C - Chemistry, Metallurgy

10

G

C10G 67/04 (2006.01)

Patent

CA 2585194

The invention relates to a process for preparing lube oil basestocks from lube oil boiling range feeds. More particularly, the present invention is directed toward a process wherein a wax containing feed is solvent dewaxed to produce at least a partially dewaxed lube oil boiling range stream, which is hydrodewaxed to produce a first lube basestock. The first lube basestock is added to an independently selected second lube basestock and additives to make a lubricating oil.

L'invention concerne un procédé pour préparer des huiles de base pour une huile de lubrification à partir de charges présentant des limites d'ébullition d'huile de lubrification. En particulier, l'invention concerne un procédé dans lequel une charge contenant de la cire est décirée au solvant pour produire un écoulement présentant une plage d'ébullition d'huile de lubrification partiellement décirée, qui est hydrodécirée pour produire une première huile de base de lubrification. Cette première huile de base de lubrification est ajoutée à une seconde huile de base de lubrification indépendamment sélectionnée et à des additifs pour former une huile de lubrification de l'invention.

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