C - Chemistry – Metallurgy – 10 – G
Patent
C - Chemistry, Metallurgy
10
G
C10G 73/06 (2006.01) C10G 65/04 (2006.01) C10G 67/04 (2006.01) C10G 69/02 (2006.01)
Patent
CA 2272272
A process for upgrading a wax-containing feedstock to produce a wax and a high VI/low volatility lubricating oil base stock. The process comprises subjecting the raffinate from a solvent extraction step (20) to a two step, single stage hydroconversion (42) process wherein the first step involves severe hydroconversion of the raffinate followed by a cold hydrofinishing step (50).
L'invention concerne un procédé de valorisation d'une charge de départ contenant de la paraffine, pour la production d'une paraffine et d'une huile de base de lubrification de lubrification à indice de viscosité élevé et faible volatilité. Ledit procédé consiste à soumettre le raffinat résultant d'une phase d'extraction au solvant (20) à une seconde phase, un procédé d'hydroconversion à deux phases (42) et à un étage, la première phase consistant en une hydroconversion forte du raffinat suivie d'une phase d'hydrofinissage à froid (50).
Boate Douglas R.
Cody Ian A.
Borden Ladner Gervais Llp
Exxon Research And Engineering Company
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