integrated two-step hydrocracking process and a hydrotreating process

摘要

integrated two-step hydrocracking process and a hydrotreating process. The invention relates to a hydrocarbon cracking process of type dsv type which allows for improved production of medium distillates comprising a) hydrocracking said operating loads in the presence of hydrogen and at least one hydrocracking catalyst; b) separating gas / liquid from the effluent from step a) to produce a liquid effluent and a gaseous effluent comprising at least hydrogen, c) sending the gaseous effluent comprising at least hydrogen to a compression step prior to its (d) the fractionation of the liquid effluent into at least one effluent comprising converted hydrocarbon products having boiling points below 340 ° C and an unconverted liquid fraction having a boiling point greater than 340 ° c, e) hydrocracking said unconverted net fraction from step d) operating at (f) hydrotreating the effluent from step (e) in admixture with a petroleum gas-type liquid hydrocarbon filler comprising at least 95% by weight of boiling compounds at At a boiling temperature between 150 and 400 ° C, said hydrotreating step f) operating in the presence of hydrogen and at least one hydrotreating catalyst.