Integrated lubricant upgrading process

C - Chemistry – Metallurgy – 10 – G

Patent

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C10G 47/02 (2006.01) C10G 45/00 (2006.01) C10G 65/12 (2006.01)

Patent

CA 2426025

A process for upgrading oil feedstock wherein the feedstock is hydrotreated, hydrocracked, and flashed and/or distilled. The bottoms are then vacuum distilled to adjust viscosity and volatility. The refined feed is then extracted, dewaxed, and cascaded to a hydrofinishing step, where it is contacted with a catalyst having a metal hydrogenation function in order to produce lubricant products.

L'invention concerne un procédé de valorisation d'une charge d'alimentation par lequel on effectue un hydrotraitement, un hydrocraquage et une vaporisation instantanée et/ou une distillation de la charge. Puis, on effectue une distillation du résidu sous vide en vue d'ajuster la viscosité et la volatilité. On procède ensuite à l'extraction et au déparaffinage de la charge raffinée qui passe ensuite sur des déflecteurs en cascade vers une étape d'hydrofinissage, dans laquelle on met cette charge en contact avec un catalyseur présentant une fonction d'hydrogénation métallique afin de produire des produits lubrifiants.

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