Process for preparing basestocks having high vi using...

Details Process for preparing basestocks having high vi using... Process for preparing basestocks having high vi using...

C - Chemistry, Metallurgy

10

G

C10G 65/04 (2006.01) B01J 29/06 (2006.01) B01J 29/74 (2006.01) C10G 45/02 (2006.01) C10G 45/58 (2006.01) C10G 45/60 (2006.01) C10G 45/62 (2006.01) C10G 45/64 (2006.01) B01J 29/04 (2006.01)

Patent

CA 2501225

A process for preparing high VI lubricating oil basestocks comprising hydrotreating, hydrodewaxing and optionally hydrofinishing. The hydrotreated feedstock is hydrodewaxed using a dewaxing catalyst that has been selectively activated by oxygenate treatment. The hydrodewaxed product may then be hydrofinished.

L'invention concerne un procédé de préparation d'huiles de base lubrifiantes à indice de viscosité élevé comprenant l'hydrotraitement, l'hydrodéparaffinage et éventuellement l'hydrofinition. La charge d'alimentation hydrotraitée est hydrodéparaffinée au moyen d'un catalyseur de déparaffinage qui a été activé de manière sélective par un traitement au composé oxygéné. Le produit hydrodéparaffiné peut alors être hydrofini.

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