Ifp Energies Nouvelles

Institut Francais Du Pe'trole

Fabrice Diehl

Slavik Kasztelan

Carine Guegan

Elodie Devers

Joseph Lopez

Eric Benazzi

Denis Uzio

Francois Hugues

Nathalie Marchal-George

Sylvie Maury

Marie-Claire Marion

Vincent Lecocq

Dominique Decottignies

Marie Velly

Adrien Berliet

Eric Sanchez

Helene Olivier-Bourbigou

Christophe Bouchy

Lionel Magna

Delphine Bazer-Bachi

Audrey Bonduelle

Cecile Thomazeau

Lars Fischer

Christine Dalmazzone

Tivadar Cseri

Bertrand Guichard

Karin Marchand

Jean-Christophe Viguie

Eric Monflier

Priscilla Avenier

Marie Claire Marion

Aurelie Dandeu

François Hugues

Anne Claire Dubreuil

Christele Legens

Josselin Janvier

Vincent Le Corre

Andrei Khodakov

Alan Jean-Marie

Jean-Marie Manoli

Patrick Da Costa

Claude Potvin

Pedro Da Silva

Mich&eacute;le Breysse

G&eacute;rald Dejega-Mariadassou

Anne Lise Taleb

Anne Griboval-Constant

Anne-Lise Taleb

Loïc Sorbier

Alan Jaen-Marie

The invention relates to a catalyst comprising a support, at least one noble metal M, tin, phosphorus and yttrium, the content of phosphorus element being less than or equal to 1% by weight, and the content of yttrium being less than or equal to 1% by weight relative to the mass of the catalyst. The invention also relates to the process for preparing the catalyst and to the use thereof in reforming.

Multi-metallic catalyst doped with phosphorus and yttrium

The invention relates to a catalyst comprising a support, at least one noble metal M, tin, phosphorus and ytterbium, the content of phosphorus element being greater than or equal to 0.2% by weight and less than 0.4% by weight, and the content of ytterbium being less than or equal to 1% by weight relative to the mass of the catalyst. The invention also relates to the process for preparing the catalyst and to the use thereof in reforming.

Multi-metallic catalyst doped with phosphorus and ytterbium

The invention relates to a catalyst comprising a support, at least one noble metal M, tin, phosphorus and at least one lanthanide group element, the content of phosphorus element being comprised between 0.4 and 1% by weight, and the content of lanthanide group element(s) being less than 1% by weight with respect to the weight of the catalyst. The invention also relates to the process for the preparation of the catalyst and the use thereof in reforming.

Multi-metallic catalyst doped with phosphorus and a lanthanide

The present invention concerns spheroidal alumina particles characterized by a BET specific surface area in the range 150 to 300 m/g, a mean particle diameter in the range 1.2 to 3 mm and a particle diameter dispersion, expressed as the standard deviation, not exceeding 0.1, a total pore volume, measured by mercury porosimetry, in the range 0.50 to 0.85 mL/g, a degree of macroporosity within a particle of less than 30%, and in which the dispersion of the diameters of the macropores, expressed as the ratio D90/D50, does not exceed 8. The invention also concerns processes for the preparation of said particles as well as catalysts comprising said particles as a support, and their use in catalytic hydrocarbon treatment processes, in particular in a catalytic reforming process.

Spheroidal alumina particles with improved mechanical strength having a macroporous median diameter in the range 0.05 to 30 &#x3bc;m

The present invention describes a Fischer-Tropsch process for synthesis of hydrocarbons comprising contacting a charge comprising synthesis gas under Fischer-Tropsch synthesis operating conditions with at least one catalyst containing an active phase comprising at least one metal of group VIIIB selected from cobalt, nickel, ruthenium and iron deposited on an oxides support comprising alumina, silica and phosphorus, said oxides support not containing any spinel phase. The catalyst has an improved hydrothermal and mechanical resistance in a Fischer-Tropsch process while improving its catalytic performances.

Fischer-tropsch process using a catalyst based on a metal of group VIIIB and an oxides support comprising alumina, silica and phosphorus

The present invention describes a catalyst containing an active phase comprising at least one metal of group VIIIB selected from cobalt, nickel, ruthenium and iron deposited on an oxides support comprising alumina, silica, a spinel and phosphorus. It also concerns the process for preparation of said catalyst and its use in a Fischer-Tropsch process. The catalyst has an improved hydrothermal and mechanical resistance in a Fischer-Tropsch process while improving its catalytic performances.

Fischer-Tropsch catalyst based on a metal of group VIIIB and an oxides support comprising alumina, silica, a spinel and phosphorus

Selective hydrogenation of a polyunsaturated hydrocarbon feed containing at least 2 carbon atoms per molecule and having an end point of 250&#xb0; C. or less, by contacting said feed with a catalyst having an active phase of at least one metal from group VIII deposited on a support formed by at least one oxide, said catalyst being prepared using a process involving at least:

Process for selective hydrogenation in the presence of a catalyst based on a metal from group VIII prepared using at least one cyclic oligosaccharide

Preparation of a catalyst having at least one metal from group VIII, at least one metal from group VIB and at least one support; in succession:

Process for hydrotreating a hydrocarbon cut with a boiling point of more than 250&#xb0; C. in the presence of a sulphide catalyst prepared using a cyclic oligosaccharide

Preparation of a catalyst comprising at least one metal from group VIII said process comprising stabilization of an oxide support, by impregnation of said oxide support, rapid drying, calcination of impregnated and dried oxide support, stabilization stage being followed at least once by impregnation of stabilized oxide support, drying of stabilized and impregnated oxide support operating in a fluidized bed in the presence of a gas, said support being subjected to a temperature rise ramp of between 0.5 and 5&#xb0; C/min to attain a temperature of between 50 and 170&#xb0; C, the residence time of said support once the drying temperature is reached being between 20 and 180 min, and calcination of said dried impregnated stabilized oxide support.

Process for the preparation of a catalyst using at least one rapid drying stage and at least one fluidised bed drying stage and use thereof for fischer-tropsch synthesis

Selective hydrogenation of a gasoline cut containing polyunsaturated hydrocarbons containing at least 2 carbon atoms per molecule and having an end point of 250&#xb0; C. or less, by bringing said gasoline cut into contact with at least one catalyst the active phase of which comprises at least one metal from group VIII and at least one metal from group VIB deposited on a support.

Process for selectively hydrogenating a gasoline cut in the presence of a supported sulphide catalyst prepared using at least one cyclic oligosaccharide

The present invention concerns a process for the preparation of a catalyst comprising an active phase comprising at least one metal from group VIII selected from cobalt, nickel, ruthenium and iron, alone or as a mixture, and an oxide support which can be used in a Fischer-Tropsch synthesis process comprises at least once the linked sequence of a stage for impregnation of said oxide support, a drying stage in which said impregnated oxide support is entrained by means of a gas, said impregnated oxide support being subjected in said stage to a temperature rise ramp of between 250 and 600&#xb0; C./min, the residence time of said impregnated oxide support in said drying stage being between 1 second and 1 minute, and a stage for calcination of said dried impregnated oxide support. The invention also concerns a Fischer-Tropsch synthesis process using the catalyst prepared according to the preparation process.

Process for the preparation of a catalyst using a rapid drying stage and use thereof for Fischer-Tropsch synthesis

The present invention relates to a method for the continuous production of hydrocarbons from synthesis gas in the presence of a catalyst comprising a synthesis step in which a synthesis gas is reacted in the presence of a catalyst in a Fischer-Tropsch synthesis reactor (),

Method for producing hydrocarbons with continuous charging of the catalyst

Hydrodesulphurization of a gasoline cut containing hydrocarbons containing at least 2 carbon atoms per molecule and having an end point of 250&#xb0; C. or less, by contacting the gasoline cut with at least one catalyst having an active phase of at least one metal from group VIII and at least one metal from group VIB deposited on a support, said catalyst being prepared using a process of:

Process for the hydrodesulphurization of a gasoline cut in the presence of a supported sulphide catalyst prepared using at least one cyclic oligosaccharide

A method for continuous production of hydrocarbons from synthesis gas in the presence of a cobalt-based catalyst which comprises a step of providing synthesis gas from a source () of synthesis gas in a Fischer-Tropsch synthesis reactor (). The method also includes the following steps:

Process for production of hydrocarbons with catalyst conditioning

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Lyons, France

Fabrice Diehl