Ifp Energies Nouvelles

Centre National De La Recherche Scientifique

Institut Francais Du Pe'trole

Universite Claude Bernard – Lyon1

Cnrs

Iep Energies Nouvelles

Antoine Fecant

Philibert Leflaive

Denis Uzio

Nicolas Bats

Emmanuelle Guillon

Etienne Girard

Dominique Decottignies

Cecile Thomazeau

Eric Puzenat

Serge Ravaine

Renal-Vasco Backov

Sophie Bernadet

Dina Lofficial

Alexandra Chaumonnot

Pascal Raybaud

Christophe Geantet

David Farrusseng

Elodie Tellier

Nicolas Bais

Damien Delcroix

Lars Fischer

Renaud Revel

Raquel Martinez Franco

Mathieu Digne

Antoine Hugon

Loïc Rouleau

Charlie Blons

Fabien Corvaisier

Yves Schuurman

Gerhard Pirngruber

Audrey Bonduelle-Skrzypczak

Bernadette Rebours

Manuel Corral Valero

Pavel Afanasiev

Romain Chenevier

Chloe Bertrand-Drira

Gilles Berhault

Mehrdji Hemati

Johan Mariens

Cécile Thomazeau

Eugenie Tavernier

Ranin Atwi

Elodie Blanco

Thomas Regal

Juan Jose Sossa Ledezma

Samy Ould-Chikh

Chloé Bertrand Drira

Johan Martens

Rénal-Vasco Backov

A selective hydrogenation catalyst comprising an active phase based on nickel and molybdenum, and a porous support consisting of alumina and/or nickel aluminate, characterized in that the molar ratio between the nickel and the molybdenum is greater than 2.5 mol/mol and less than 3.0 mol/mol.

Hydrogenation catalyst comprising a carrier and a specific nickel molybdenum ratio

The invention relates to a method for hydrodesulfurization of a sulfur-containing olefinic gasoline cut wherein said gasoline cut, hydrogen and a catalyst comprising an alumina support obtained by dehydration of an aluminum hydroxide or oxyhydroxide at a temperature of between 400° C. and 1200° C. and for a time of between 0.1 seconds and 5 seconds, at least one metal from group VIB, at least one metal from group VIII, and phosphorus are brought into contact, the molar ratio between the phosphorus and the metal from group VIB being between 0.2 and 0.35.

Hydrodesulfurization method using a catalyst comprising a flash alumina support

Catalyst containing an active phase which contains a group VIB element, at least one group VIII element and phosphorus, and a support containing alumina, the catalyst being characterized in that at least 80% by weight of the group VIB elements, of the group VIII elements and of the phosphorus are distributed in the form of a crust at the periphery of said support, the thickness of said crust being between 100 and 1200 μm, the content of group VIB element being between 1% and 8% by weight relative to the total weight of the catalyst, the content of group VIII element being between 0.5% and 5% by weight relative to the total weight of the catalyst, and the content of phosphorus being between 0.2% and 3% by weight relative to the total weight of the catalyst, and the support having a specific surface area of between 100 m/g and 250 m/g.

Hydrodesulfurization catalyst with active-phase distribution as a crust

The invention describes a mass for scavenging mercaptans which is particularly suitable for the treatment of olefinic gasoline cuts containing sulfur such as gasolines resulting from catalytic cracking. The scavenging mass comprises an active phase based on group VIII, IB or IIB metal particles which is prepared by a step of bringing a porous support into contact with a metal salt of said group VIII, IB or IIB metal and a step heating the resulting mixture to a temperature above the melting point of said metal salt. The invention also relates to a process for using said scavenging mass for the adsorption of mercaptans.

Mass for capturing mercaptans which is prepared using molten salts

The invention relates to a method for capturing organometallic impurities in a gasoline-type hydrocarbon feedstock containing sulfur compounds and olefins, wherein said feedstock is brought into contact with hydrogen and a capture mass comprising a nickel-based active phase, and a mesoporous and macroporous alumina substrate having a bimodal distribution of mesopores and wherein: —the volume of mesopores having a diameter greater than or equal to 2 nm and less than 18 nm corresponds to between 10 and 30% by volume of the total pore volume of said substrate; —the volume of mesopores with a diameter greater than or equal to 18 nm and less than 50 nm corresponds to between 30 and 50% by volume of the total pore volume of said substrate.

Method for capturing organometallic impurities in the presence of a capture mass on a mesoporous-macroporous support

Method for treating a partially desulphurised sulphur-containing hydrocarbon feedstock from a preliminary hydrodesulphurisation step in the presence of a catalyst comprising an active phase comprising a group VII metal and a mesoporous and macroporous alumina support comprising a bimodal distribution of mesopores, wherein: —the volume of mesopores having a diameter greater than or equal to 2 nm and less than 18 nm is between 10 and 30% by volume of the total pore volume of the support; —the volume of mesopores having a diameter greater than or equal to 18 nm and less than 50 nm is between 30 and 50% by volume of the total pore volume of the support; —the volume of macropores having a diameter greater than or equal to 50 nm and less than 8000 nm is between 30 and 50% by volume of the total pore volume of the support.

Method for conducting finishing hydrodesulphurisation in the presence of a catalyst on a meso-macroporous support

The invention describes a process for the photocatalytic reduction of carbon dioxide carried out in the liquid phase and/or in the gas phase under irradiation employing a photocatalyst of microporous crystalline metal sulfide type, said process being carried out by bringing a charge containing the COand at least one sacrificial compound into contact with said photocatalyst, then by irradiating the photocatalyst by at least one irradiation source producing at least one wavelength lower than the bandgap width of said photocatalyst, so as to reduce the COand to oxidize the sacrificial compound, so as to produce an effluent containing, at least in part, Cor more carbon-based molecules other than CO.

Method for the photocatalytic reduction of COusing a microporous crystalline metal sulfide photocatalyst

The invention concerns a method for the photocatalytic reduction of carbon dioxide carried out in the liquid phase and/or in the gas phase under irradiation using a photocatalyst comprising a support made from alumina or silica or silica-alumina and nanoparticles of molybdenum sulfide or tungsten sulfide having a band gap greater than 2.3 eV, said method comprising the following steps: a) bringing a feedstock containing carbon dioxide and at least one sacrificial compound into contact with said photocatalyst, b) irradiating the photocatalyst with at least one source of irradiation producing at least one wavelength smaller than the width of the band gap of said photocatalyst so as to reduce the carbon dioxide and oxidise the sacrificial compound in the presence of said photocatalyst activated by said source of irradiation, in such a way as to produce an effluent containing, at least in part, C1 or above carbon-containing molecules, different from CO2.

Method for the photocatalytic reduction of carbon dioxide implementing a supported photocatalyst made from molybdenum sulfide or tungsten sulfide

The invention relates to a photocatalytic carbon dioxide reduction method carried out in liquid and/or gas phase under irradiation, using a photocatalyst containing a first semiconductor, particles comprising one or more metallic-state elements M, and a second semiconductor SC, wherein the method is carried out by contacting a feedstock containing the COand at least one sacrificial compound with the photocatalyst, then irradiating the photocatalyst such that the COis reduced, and oxidising the sacrificial compound in order to produce an effluent containing at least in part C1 or above carbon molecules other than CO.

Photocatalytic carbon dioxide reduction method using a photocatalyst in the form of a porous monolith

Process for preparing a catalyst or a trapping mass comprising the following steps:

Process for preparing a catalyst or a trapping mass from molten salts

Fischer-Tropsch process for the synthesis of hydrocarbons by bringing a feedstock including synthesis gas into contact with a catalyst prepared by the following:

Fischer-tropsch process in the presence of a catalyst prepared from a molten salt

The present invention relates to a process for deparaffinning a middle distillate feedstock, to convert, in good yield, feedstocks having high pour points into at least one cut having an improved pour point. Said process is performed with at least one catalyst comprising at least one hydro-dehydrogenating phase containing at least one metal from group VIB and at least one metal from group VIII of the Periodic Table of the Elements, and a support comprising at least one IZM-2 zeolite, a zeolite of WI framework type code and at least one binder.

Process for deparaffinning a middle distillate feedstock using a catalyst based on IZM-2 zeolite and an MFI-type zeolite

Process for preparing a porous monolith comprising between 10% and 100% by weight of a semiconductor relative to the total weight of the porous monolith, which process comprises the following steps:

Process for preparing a monolith with multimodal porosity

The invention relates to a catalyst containing an active cobalt phase, deposited on a support comprising alumina, silica or silica-alumina, said support also containing a mixed oxide phase containing cobalt and/or nickel, said catalyst having been prepared by introducing at least one hydrocarbon organic compound of formula CH. The invention also relates to the use thereof in the field of Fischer-Tropsch synthesis processes.

Cobalt catalyst comprising a support containing a mixed oxide phase including cobalt and/or nickel produced using a hydrocarbon compound

The invention relates to a porous monolith comprising between 20 wt.-% and 70 wt.-% TiO 2 relative to the total weight of the monolith, and between 30 wt.-% and 80 wt.-% a refractory oxide, selected from silica, alumina or silica-alumina, relative to the total weight of the monolith, characterized in that said porous monolith has a bulk density of less than 0.19 g/mL.

Porous monolith containing TiOand method for the production thereof

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Brignais, France

Antoine Fecant