fixed bed hydroconversion process of a crude oil, whether or not distilled, with the aid of exchangeable reactors for the production of a pre-refined synthetic crude

摘要

FIXED BED HYDROCONVERSION PROCESS OF A CRUDE OIL, DISTILLATED OR NOT, WITH THE AID OF EXCHANGEABLE REACTORS FOR THE PRODUCTION OF A PRE-REFINED SYNTHETIC GROSS. The invention relates to a pre-refining and hydroconversion process of a hydrocarbon heavy crude oil containing at least 0.5% by weight of asphalts and more than 10 ppm by weight of metals (nickel and / or vanadium). ) for the production of a pre-refined synthetic crude in which said charge passes into a hydrodemetallation section comprising at least 2 interchangeable reaction zones, and then at least a portion of the demetallized effluent is hydrocracked into a hydrocarbon section. cracking, and then at least a portion of the hydrocracked effluent is hydrodesulfurized and in which the hydrodesmetalation and hydrodesulfurization sections employ a special catalytic system.