Institut Francais Du Pe'trole

Ifp Energies Nouvelles

Institute Francais Du Petrole

Axens

Fabienne Le Peltier

Blaise Didillon

Jean-Paul Boitiaux

Olivier Clause

Jean-Marie Basset

Gerard Leger

Olivier Ducreux

Jean-Pierre Candy

Jean Cosyns

Philippe Courty

Christian Marcilly

Fabio Alario

Sylvie Lacombe

Jean-Francois Joly

Germain J Martino

Annick Pucci

Patrick Sarrazin

Jean-Pierre Burzynski

Patrick Chaumette

Quentin Debuisschert

Lars Fischer

Jean De Bonneville

Christophe Chau

Catherine Verdon

Jean-Claude Jumas

Josette Olivier-Fourcade

Raymond F Szymanski

Cyril Collado

Jean-Marie Deves

Anne-Claire Dubreuil

Cecile Thomazeau

Renaud Revel

Fr&eacute;d&eacute;ric Kolenda

Pierre-Yves Le Goff

Nathalie Brunard

Jean Paul Boitiaux

Elisabeth Rosenberg

Herv&eacute; Cauffriez

Jean Pierre Burzynski

Jean Giraud

Fatima Bentahar

Stephane Morin

Herve Cauffriez

Layane Deghedi

Jean-Christophe Candelon

Sylvie Robert

Stéphane Morin

Hervé Cauffriez

Process for hydrogenation of aromatic compounds in a feedstock comprising hydrocarbons having at least five carbon atoms, comprising:

Process for hydrogenation of a hydrocarbon feedstock comprising aromatic compounds

The invention concerns a process for purification by elimination of chlorine in the form of hydrogen chloride and organochlorine compounds by contacting in the presence of hydrogen of at least a part of the effluent from a reforming, aromatics production, dehydrogenation, isomerisation or hydrogenation zone, said part of the effluent comprising olefins, hydrogen chloride and organochlorine compounds, on an elimination zone comprising a chain arrangement of two masses, the first mass being a mass comprising at least one metal from group VIII deposited on a mineral carrier and the second mass being a hydrogen chloride adsorbent.

Elimination of chlorine compounds from hydrocarbon cuts

A process is described for preparing a catalyst comprising at least one porous support and at least one metallic phase containing nickel and tin in a proportion such that the Sn/Ni molar ratio is in the range 0.01 to 0.2, said process comprising at least the following steps in succession:

Process for preparing a Ni/Sn supported catalyst for the selective hydrogenation of polyunsaturated hydrocarbons

Process for the production of high-quality kerosene and diesel fuels and for the coproduction of hydrogen from a so-called light naphtha cut to which any quantity of LPG cut can be added where the steps of the process include: separating normal and iso-paraffins, dehydrogenation of the paraffins, oligomerization of the olefins and hydrogenation of the oligomerized olefins, the process permitting the production of kerosene and diesel fuels meeting market specifications, or even improved relative to the latter.

Process for the production of high-quality kerosene and diesel fuels for the coproduction of hydrogen from saturated light cuts

A method and apparatus for capturing a chemical compound, typically an impurity, and for accumulating said chemical compound on a capture mass CAPT included in at least one removable adsorbent cartridge MC over a period exceeding 2 days, with a view to the external chemical analysis thereof. The apparatus ST suitable for capturing at least one chemical compound in a fluid flow for its detection and/or quantification comprise, downstream of said cartridge or cartridges, at least one device for measuring the cumulative flow which has traversed the cartridge or cartridges over a set time period. In a preferred variation of the invention, the capture mass CAPT is fragmented into a plurality of elementary masses CAPTi which allows for the spread of an irreversible adsorption front or the displacement of a chromatographic zone.

Method and apparatus for detecting and quantifying a chemical compound in a fluid flow

For testing performance levels and/ or changes over time of at least one catalyst (CAT) for a fixed-bed reactor: a device (CT) for a test, comprising at least one hollow metal cartridge (MC) containing the catalyst (CAT) is connected at a point A of an industrial chemical installation containing a reaction feedstock suitable for testing the catalyst (CAT); a liquid stream containing a fraction that is less than or equal to 1% of preheated reagents circulating in the industrial chemical installation is circulated in the cartridge (MC) through the catalyst (CAT) and sampled at a reaction temperature for a period (T), and returned to the industrial chemical installation at point B downstream of the device.

Process and installation for testing catalysts

The invention concerns a homogeneous bed of particles of a catalyst, said catalyst comprising at least one amorphous matrix, at least one noble metal, at least one additional metal M and at least one halogen, and in which, for a catalyst particle,

Homogeneous bed of catalyst and a process for transforming hydrocarbons into aromatic compounds using said bed

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 relates to a catalyst that comprises a metal M from the group of platinum, at least one promoter Xthat is selected from the group that consists of tin, germanium, and lead, and optionally at least one promoter Xthat is selected from the group that consists of gallium, indium and thallium, a halogenated compound and a porous substrate, in which the atomic ratio X/M and optionally X/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. The invention also relates to the process for the preparation of this catalyst and a reforming process using said catalyst.

Bimetallic or multi-metallic catalyst that has an optimized bimetallicity index and an optimized hydrogen adsorption capacity

A novel supported bimetallic catalyst comprises a group VIII metal such as platinum, and tin, at least a portion of which interacts strongly with the group VIII metal in the catalyst in the reduced state. In the partially oxidized state, the catalyst of the invention contains at least 10% of tin in the form of a reduced tin species with oxidation state 0, said species having an isomer shift in the range 0.80 to 2.60 mm/s and a quadrupolar splitting in the range 0.65 to 2.00 mm/s. The invention also concerns the preparation of said catalyst, and processes using said catalyst for transforming hydrocarbons into aromatic compounds, such as gasoline reforming processes and aromatic production processes.

Supported bimetallic catalyst with a strong interaction between a group VIII metal and tin, and its use in a catalytic reforming process

A process for dehydrogenating organic compounds, in particular paraffins and naphthenes, is carried out in the presence of a supported catalyst comprising a group VIII metal such as platinum, and tin, at least a portion of which interacts strongly with the group VIII metal in the catalyst in the reduced state. In the partially oxidised state, the catalyst contains at least 10% of tin in the form of a reduced tin species with oxidation state 0, said species having an isomer shift in the range 0.80 to 2.60 mm/s and a quadrupolar splitting in the range 0.65 to 2.00 mm/s.

Process for dehydrogenating organic compounds in the presence of a supported bimetallic catalyst with a strong interaction between a group VIII metal and tin

For transforming hydrocarbons into aromatic compounds, the reaction is conducted on a homogeneous bed of catalyst particles, said catalyst comprising at least one amorphous matrix, at least one noble metal, at least two additional metals M1 and M2 and at least one halogen, and in which, for a catalyst particle, C is the local concentration of platinum; C is the local concentration of additional metal M1; C is the local concentration of additional metal M2; in which the standard deviation of the distribution of the local ratios of the concentrations of the additional metals, C /C , measured along the particle diameter, is better than 25% relative.

Homogeneous catalyst bed and process of transforming hydrocarbons into aromatic compounds with the bed

A process of hydroreforming in the presence of a catalyst containing at least one refractory inorganic carrier, platinum, possibly at least one metal from Group VIII (palladium, nickel, and ruthenium), a halogen or compound thereof, and at least one additional metal M selected from among germanium, tin, lead, gallium, indium, and thallium, process in which said metal M, in the form of at least one organic compound, is introduced in situ into the reactor where the hydrocarbon charge will then be treated or into a prereactor that is connected to said reactor.

Catalytic hydroreforming process

A process for hydrogenating organic compounds containing at least one function selected from aldehyde, ketone, ester, acid and nitro functions and/or containing an aromatic group is carried out in the presence of a catalyst comprising at least one support, at least one metal from group VIII of the periodic table and at least one additional element M selected from the group formed by germanium, tin, lead, rhenium, gallium, indium, gold, silver and thallium. The process is characterized in that the catalyst is prepared using a process in which said metal M is introduced in an aqueous solvent, in the form of at least one organometallic compound comprising at least one carbon-M bond.

Process for hydrogenating organic functions

Growing community of inventors

Rueil Malmaison, France

Fabienne Le Peltier