Institut Francais Du Pe'trole

Ifp Energies Nouvelles

Institute Francais Du Petrole

Centre National De La Recherche Scientifique

Bp Corporation North America Inc.

Universite Claude Bernard – Lyon1

Other

Cnrs

Denis Uzio

Blaise Didillon

Antoine Fecant

Florent Picard

Jean-Luc Nocca

Carine Petit-Clair

Quentin Debuisschert

Vincent Coupard

Christophe Bouchy

Nathalie Marchal-George

Christophe Chau

Eric Puzenat

Serge Ravaine

Renal-Vasco Backov

Dina Lofficial

Sophie Bernadet

Thierry Gauthier

Jean-Francois Joly

Helene Olivier-Bourbigou

Fabrice Diehl

Anne-Claire Dubreuil

Lars Fischer

Christophe Geantet

Nathalie Marchal

Catherine Verdon

Christophe Gautreau

Stephane Cremer

Gilles Berhault

Jean Cosyns

Charles Cameron

Germain J Martino

Francois Hugues

Alexandre Pagot

Lionel Magna

Elisabeth Merlen

Marie-Claire Marion

Gerard Hillion

Gil Mabilon

Isabelle Prevost

Cecile Thomazeau

Bogdan Harbuzaru

David Proriol

Laurent Savary

Emmanuel Pellier

Maryline Delage

François Hugues

Pavel Afanasiev

Jean Luc Nocca

Patrice Marecot

Magalie Roy

Alexandre Jouve

Carl Snider

Emmanuelle Guillon

Thierry Pages

Christope Chau

Donald E Zeek

Mike Grayson

David B Arnett

Florence Epron

Catherine Especel

Frederic Portejoie

Frederic Portejole

Elodie Blanco

Rénal-Vasco Backov

Quentin Debuissechert

Stéphane Cremer

Gilles Behault

The present invention relates to a hydrogenolysis process wherein a hydrocarbon-based feedstock comprising aromatic compounds having at least 8 carbon atoms is treated by means of a hydrogen feed and in the presence of a catalyst, in order to convert C2+ alkyl chains of said aromatic compounds into methyl groups and to produce a hydrogenolysis effluent enriched in methyl-substituted aromatic compounds, wherein the catalyst comprises a support, comprising at least one refractory oxide, and an active phase comprising nickel and molybdenum, wherein: the nickel content being between 0.1 and 25% by weight relative to the total weight of the catalyst; the molybdenum content being between 0.1 and 20% by weight relative to the total weight of the catalyst; and the catalyst comprising a molar ratio of molybdenum to nickel of between 0.2 and 0.9. The present invention also relates to said catalyst and to the process for preparing said catalyst.

Selective catalyst for hydrogenolysis of ethyl-aromatics by conserving methyl-aromatics

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 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 selective hydrogenolysis method for treating a feed rich in aromatic compounds having more than 8 carbon atoms, comprising transforming at least one alkyl group with at least two carbon atoms (ethyl, propyl, butyl, isopropyl, etc.) attached to a benzene ring into at least one methyl group. The invention also relates to the integration of the hydrogenolysis unit into an aromatic complex.

Method of hydrogenolysis for improved production of paraxylene

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

The invention relates to a composition that contains a first semiconductor SC1, particles that comprise one or more element(s) M in the metal state selected from among an element of groups IVB, VB, VIB, VIIB, VIIIB, IB, IIB, IIIA, IVA and VA of the periodic table, and a second semiconductor SC2 that comprises indium oxide, with said first semiconductor SC1 being in direct contact with said particles that comprise one or more element(s) M in the metal state, with said particles being in direct contact with said second semiconductor SC2 that comprises indium oxide in such a way that the second semiconductor SC2 covers at least 50% of the surfaces of the particles that comprise one or more element(s) M in the metal state. The invention also relates to its preparation method as well as its application of photocatalysis.

Photocatalytic composition that comprises metal particles and two semiconductors including one made of indium oxide

The invention relates to a composition that contains a first semiconductor SC1, particles that comprise one or more element(s) M in the metal state selected from among an element of groups IVB, VB, VIB, VIIB, VIIIB, IB, IIB, IIIA, IVA and VA of the periodic table, and a second semiconductor SC2 that comprises cerium oxide, with said first semiconductor SC1 being in direct contact with said particles that comprise one or more element(s) M in the metal state, with said particles being in direct contact with said second semiconductor SC2 that comprises cerium oxide in such a way that the second semiconductor SC2 covers at least 50% of the surfaces of the particles that comprise one or more element(s) M in the metal state. The invention also relates to its preparation method as well as its application of photocatalysis.

Photocatalytic composition comprising metallic particles and two semiconductors, one of which is composed of cerium oxide

The invention concerns a composition comprising a mixture of zinc sulphide (ZnS) and molybdenum sulphide (MoS), in which the Mo/Zn molar ratio is in the range 0.01 to 1.9. The invention also pertains to a process for its preparation as well as to its application in photocatalysis and more particularly to its application in photocatalysis for the production of dihydrogen from water (HO) and/or hydrogen sulphide (HS) and/or any other source of protons in the presence of a source emitting in the ultraviolet and/or visible spectrum.

Metal sulphide-based composite photocatalyst for producing hydrogen

Production of gasolines with low sulfur contents from a starting gasoline containing sulfur-containing compounds comprising a stage a) for selective hydrogenation of non-aromatic polyunsaturated compounds present in the starting gasoline, a stage b) for increasing the molecular weight of the light sulfur-containing products that are initially present in the gasoline that enters this stage, a stage c) for alkylation of at least a portion of the sulfur-containing compounds present in the product that originates from stage b), a stage d) for fractionation of the gasoline that originates from stage c) into at least two fractions, one fraction virtually lacking in sulfur-containing compounds, whereby the other contains a larger proportion of sulfur-containing compounds (heavy gasoline), a stage e) for catalytic treatment of the heavy gasoline for transformation of sulfur-containing compounds under conditions for the at least partial decomposition of hydrogenation of these sulfur-containing compounds.

Process for the production of a desulfurized gasoline from a gasoline fraction that contains conversion gasoline

A process for the treatment of an olefinic fraction, using a catalyst prepared by a process comprising:

Process for the preparation of multimetallic catalysts that can be used in reactions for transformation of hydrocarbons

A catalyst applicable to the synthesis gas conversions especially E-T slurry processes, said catalyst comprising: a) a support containing at least a first aluminate element of mixed spinel structure of formula MM'Al2O/Al2O3.SiO2, x ranging between and excluding 0 and 1, or of simple spinel structure of formula MAl2O4/Al2O3.SiO2, said support being calcined in an at least partly oxidizing atmosphere, at a temperature ranging between 850&#xb0; C. and 900&#xb0; C., and b) an active phase deposited on said support, which contains one or more group VIII metals, selected from among cobalt, nickel, ruthenium or iron. Said catalyst is used in a fixed bed or suspended in a three-phase reactor for hydrocarbon synthesis from a CO, Hmixture.

Cobalt-based catalyst for fischer-tropsch synthesis

The invention concerns a process for preparing metallic nanoparticles with an anisotropic nature by using two different reducing agents, preferably with different reducing powers, on a source of a metal selected from columns 8, 9 or 10 of the periodic table of the elements.

Process for synthesizing anisotropic metallic nanoparticles using two different reducing agents

The invention relates to a process for the preparation of a catalyst comprising: The invention also relates to a process for the treatment of an olefinic fraction that uses the catalyst prepared [by] said preparation process.

A catalyst comprising at least one porous support, at least some platinum, and at least a second group VIII metal which is different from platinum and iridium, said catalyst having been prepared in accordance with a process comprising a) impregnation of the support with at least one solution containing a platinum precursor, b) activation in a neutral or oxidizing atmosphere, at a temperature of between 120 and 800&#xb0; C., c) activation in a reducing medium, at a temperature of between 0 and 800&#xb0; C., d1) impregnation with an aqueous solution and d2) treatment with at least one hydrogen donor compound, at a temperature of less than 200&#xb0; C., e) the impregnation of the support, which has already been impregnated with the platinum, with at least one solution containing a precursor of said second group VIII metal, and f) activation in a neutral, reducing, or oxidizing atmosphere, at a temperature of between 100 and 800&#xb0; C.

Platinum-based, bimetallic catalyst, and a second group VIII metal used for the opening of cyclic compounds

A process for the selective hydrogenation of diolefinic compounds to mono-olefinic compounds uses a catalyst composition comprising at least one salt of a transition metal from groups IB, IIB, VB, VIB, VIIB and VIII of the periodic table, at least one ligand and at least one organometallic reducing agent, optionally in the presence of a non-aqueous ionic liquid selected from the group formed by liquid salts with general formula QA(in which Qrepresents a quaternary ammonium and/or quaternary phosphonium and Arepresents any anion which can form a liquid salt below 90&#xb0; C.).

Method for selective hydrogenation of polyunsaturated compounds into monounsaturated compounds using a homogeneous catalyst

Growing community of inventors

Marly le roi, France

Denis Uzio