Institut Francais Du Pe'trole

Ifp Energies Nouvelles

Agip Petroli

Institut Francias Du Petrole

Ifp Energies Noevelles

Renaud Revel

Lars Fischer

Alexandra Chaumonnot

Sylvie Lacombe

Magalie Roy-Auberger

Roberto Zennaro

Cecile Thomazeau

Bernadette Rebours

Alain Forestiere

Philippe Courty

Bruno Delfort

Patrick Euzen

Antoine Fecant

Patrick Briot

Fabienne Le Peltier

Gerard Hillion

Karin Marchand

Thierry Lacome

Serge Leporq

Eric Llido

Denis Guillaume

Christophe Chau

Giovanni Pederzani

Gilles Guerrero

Carole Bobin

Anne Claire Dubreuil

Hubert Mutin

Stéphane Morin

Florence Brodard-Severac

Dan Ion Enache

Virginie Tissot

Gustave Acakpo

Christophe James

Benoit Fremon

Stephane Morin

The invention concerns a catalyst comprising nickel on an aluminum oxide support. The aluminum oxide support has, in the calcined state, a diffractogram obtained by X ray diffractometry comprising peaks which correspond to the following interplanar spacings and relative intensities: 

Selective hydrogenation catalyst, and process for its preparation

The invention concerns a catalyst comprising palladium on an oxide of aluminum support. In the calcined state, the oxide of aluminum support has a diffractogram obtained by X ray diffraction comprising peaks which correspond to the following interplanar spacings and relative intensities: 

Selective hydrogenation catalyst and process for its preparation

A supported and sulphur-containing catalyst is described, comprising; The invention also relates to the use of this catalyst for the hydrorefining and the hydroconversion of hydrocarbon-containing feedstocks such as petroleum fractions, fractions from coal or biomass or hydrocarbons produced from natural gas.

Catalyst based on an organic-inorganic hybrid support and its use in hydrorefining and hydroconversion

The invention relates to a process for dehydrogenation of a hydrocarbon feedstock in the presence of a catalyst that comprises a noble metal M that is selected from the group that consists of platinum, palladium, rhodium, and iridium, at least one promoter X1 that is selected from the group that consists of tin, germanium, and lead, and optionally a promoter X2 that is selected from the group that consists of gallium, indium and thallium, an alkaline or alkaline-earth compound and a porous substrate, in which the atomic ratio X1/M and optionally X2/M is between 0.3 and 8, the H/M ratio that is measured by hydrogen adsorption is greater than 0.40, and the bimetallicity index BMI that is measured by hydrogen/oxygen titration is greater than 108.

Process for dehydrogenation in the presence of a bimetallic or multi-metallic catalyst that has an optimized bimetallicity index and an optimized hydrogen adsorption capacity

The invention concerns a process for preparing a hybrid organic-inorganic material (HOIM) with phosphorus-containing bridges between the surface of an inorganic substrate containing an element M and one or more organic groups of the covalent M-O-P-R type, said process using, as a precursor for said organic group or groups, at least one organophosphorus acid halide with formula RP(O)Xin which x=1 or 2, y=3&#x2212;x, X being a halogen and R designating at least one organic alkyl, aryl or aryl-alkyl group. Non-exhaustive applications for the hybrid organic-inorganic material obtained by the process of the invention are in the fields of anti-corrosion, lubrication, microelectronics, nanotechnologies, composite materials, heterogeneous catalysis, supported catalysis, depollution and biomedical applications.

Process for preparing materials by grafting halogenated phosphorus-containing groups onto an inorganic surface

The invention relates to the field of catalyst supports presenting a pore volume having an at least bimodal distribution, thus defining a main porosity and a secondary porosity, the main porosity being of an average size greater than the secondary porosity.

Alumina-on-alumina composite supports

A novel process is described for producing esters of linear monocarboxylic acids containing 6 to 26 carbon atoms, by reacting vegetable or animal oils, neutral or otherwise, with monoalcohols containing 1 to 18 carbon atoms in the presence of a catalyst selected from:

Process for transesterification of vegetable or animal oils using heterogeneous catalysts based on titanium, zirconium or antimony and aluminium

An olefin oligomerization process employs a particular silica-alumina catalyst which comprises a non zeolitic support based on silica-alumina containing a quantity of more than 5% by weight and 95% by weight or less of silica (SiO) and has the following characteristics: a mean pore diameter, measured by mercury porosimetry, in the range 20 to 140 &#x212b;; a total pore volume, measured by mercury porosimetry, in the range 0.1 ml/g to 0.6 ml/g; a total pore volume, measured by nitrogen porosimetry, in the range 0.1 ml/g to 0.6 ml/g; a BET specific surface area in the range 100 to 550 m/g; a pore volume, measured by mercury porosimetry, included in pores with a diameter of more than 140 &#x212b;, of less than 0.1 ml/g; a pore volume, measured by mercury porosimetry, included in pores with a diameter of more than 160 &#x212b;, of less than 0.1 ml/g; a pore volume, measured by mercury porosimetry, included in pores with a diameter of more than 200 &#x212b;, of less than 0.1 ml/g; a pore volume, measured by mercury porosimetry, included in pores with a diameter of more than 500 &#x212b;, of less than 0.1 ml/g; and an X ray diffraction diagram containing at least the principal characteristic peaks of at least one of the transition aluminas included in the group composed of alpha, rho, khi, eta, gamma, kappa, theta and delta aluminas.

Process for oligomerizing olefins using a silica-alumina based catalyst

A process is described for synthesising hydrocarbons from a mixture comprising carbon monoxide and hydrogen and possibly carbon dioxide CO, in the presence of a supported catalyst comprising at least one group VIII metal. The support comprises zirconia or a mixed zirconia-alumina oxide and the zirconia is present in the quadratic and/or amorphous form. Said catalyst is used in a liquid phase in a three-phase reactor.

Process for synthesising hydrocarbons in a three-phase reactor in the presence of a catalyst comprising a group VIII metal supported on zirconia or on a zirconia-alumina mixed oxide

A process is described for synthesizing hydrocarbons from a mixture comprising carbon monoxide and hydrogen in the presence of a catalyst comprising at least one group VIII metal supported on a silica-alumina prepared by co-precipitating and calcining at a temperature in the range from about 500&#xb0; C. to about 1200&#xb0; C. for at least 6 hours so that said silica-alumina has a specific surface area of less than 260 m/g. Said catalyst is used in a fixed bed or in suspension in a liquid phase of a three-phase reactor.

Process for synthesising hydrocarbons in the presence of a catalyst comprising a group VIII metal supported on silica-alumina

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Serpaize, France

Renaud Revel