Institut Francais Du Pe'trole

Ifp Energies Nouvelles

Renaud Galeazzi

Alain Dunet

The invention concerns a facility and a process for hydrodesulphurizing gas oil or vacuum distillate comprising at least one hydrodesulphurization reaction section, at least one stripping section and at least one fractionation section in which the fractionation section comprises at least one fractionation column operated under moderate vacuum.

Hydrodesulphurisation method comprising a stripping section and a vacuum fractionation section

A process for hydrotreating a hydrocarbon feed comprises at least two steps with intermediate stripping of the effluent from the first step with pressurized hydrogen substantially free of impurities which are undesirable for the catalyst for the second step, in particular to eliminate part of the HS formed, each step being carried out with a hydrogen recycle loop that is exclusive to that step.

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Paris, France

Renaud Galeazzi