CONVERSION METHOD COMPRISING A VISCOREDUCTION OF RESIDUE THEN DE-ASPHALTING AND A HYDROCONVERSION

摘要

The invention relates to a method comprising at least the following steps: a) viscoreduction of al or part of the charge, b) solvent de-asphalting of all or part of the product from step a), c) hydroconversion of the fraction comprising the large part of the asphaltenes from step b), d) fractionation of the de-asphalted oil from step c) and e) hydrotreatment of the de-asphalted residue from the fractionation step d).