Ifp Energies Nouvelles

Eni S.p.a.

Aline Grezaud

Hugues Dulot

Christophe Bouchy

Vincenzo Calemma

Jean-Philippe Heraud

Jean Philippe Heraud

Emmanuelle Guillon

Magalie Roy-Auberger

Hugues France-Dulot

Process for the production of middle distillates from a paraffinic feedstock produced by Fischer-Tropsch synthesis comprising at least one light fraction, known as condensate, and a heavy fraction, known as waxes, in which:

Storage of Fischer-Tropsch effluents

Method for starting up a method for producing kerosene and diesel fuel from hydrocarbon compounds produced by Fischer-Tropsch synthesis. The start-up method employs catalytic reaction of Fischer-Tropsch synthesis with a synthesis gas for producing a heavy hydrocarbon fraction and a light hydrocarbon fraction, a reduction (RE) reducing a hydrotreatment catalyst by ensuring contact with a gas comprising hydrogen, bringing the heavy hydrocarbon fraction into contact with the hydrotreatment catalyst (DM). During the step for ensuring contact, the temperature (TEMP) of the catalyst is increased to a temperature of between 260&#xb0; C. and 360&#xb0; C. Then, (TR) bringing a mixture comprising the heavy hydrocarbon fraction and the light hydrocarbon fraction into contact with the hydrotreatment catalyst is carried out.

Method for starting up a method for producing kerosene and diesel fuel from hydrocarbon compounds produced by Fischer-Tropsch synthesis

A process for the hydrotreatment of a vacuum distillate type hydrocarbon feed containing nitrogen-containing compounds is described, comprising a first step in which the feed is brought into contact with a catalyst in its oxide form, then a second step in which the feed is brought into contact with a dried catalyst comprising at least one organic compound containing oxygen and/or nitrogen.

Vacuum distillate hydrotreatment process employing a concatenation of catalysts

A process for the production of middle distillates from a paraffinic feedstock produced by Fischer-Tropsch synthesis comprising a limited content of molecules containing at least one oxygen atom. In the process, the feedstock is subjected to at least one hydrocracking/hydroisomerization stage in the presence of a hydrogen stream also containing a limited atomic oxygen content.

Process for the production of middle distillates in which the feedstock originating from the fischer-tropsch process and the hydrogen stream contain a limited oxygen content

A method for producing middle distillates from a feedstock produced by Fischer-Tropsch synthesis and containing oxygenated compounds, including:

Optimized method for producing middle distillates from a feedstock originating from the Fischer-Tropsch process containing a limited quantity of oxygenated compounds

Production of middle distillates from a feedstock produced by Fischer-Tropsch synthesis and containing oxygenated compounds: a) catalytic hydrotreating; b) hydroisomerization/hydrocracking at least a part of liquid and gaseous effluent originating from a); c) gas/liquid separation of the stream from b) into a gaseous fraction comprising predominantly hydrogen, a hydroisomerized/hydrocracked organic liquid fraction and an aqueous fraction; d) fractionation of the organic liquid fraction in c) to obtain at least one fraction of middle distillates; and e) catalytic methanation of CO and COon at least a part of said gaseous fraction in c) before hydrotreating a), and/or on at least a part of the liquid and gaseous effluent originating from a) in which the hydrogen in a) is obtained at least partly from the gaseous fraction separated in c).

Production of middle distillates from an effluent originating from fischer-tropsch synthesis comprising a step of reducing the content of oxygenated compounds

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Lyons, France

Aline Grezaud