Institut Francais Du Pe'trole

Ifp Energies Nouvelles

Institut Francais Du P&eacute;trole

Sylvie Lacombe

Eric Benazzi

Fabio Alario

Julia Magne-Drisch

Elisabeth Merlen

Eric Sanchez

Emmanuelle Guillon

Laurent Simon

Sylvain Louret

Loic Rouleau

Vincent Coupard

Philippe Caullet

Jean-Fran&ccedil;ois Joly

Fr&eacute;d&eacute;ric Kolenda

Patrice Font

Malika Boualleg

Patrick Euzen

Patrick Briot

Fabienne Le Peltier

Gil Mabilon

Jean-Luc Duplan

Jean-Louis Paillaud

Renaud Revel

Jean-Francedillaois Joly

Eric Llido

Christophe Chau

Lo&iuml;c Rouleau

Ronan Le Dred

Jacques Baron

Alain Forestiere

Avelino Corma Canos

Jean-Louis Guth

Nicolas Bats

Ludovic Raynal

Samuel Mignard

Delphine Bazer-Bachi

Patrick Bourges

Lars Fischer

Bogdan Harbuzaru

Joseph Lopez

Henri Kessler

Priscilla Avenier

Pierre-Yves Le Goff

Nathalie Ferrer

Josette Olivier-Fourcade

Jean-Claude Jumas

Jérôme Bayle

Bertrand Fanget

Jocelyne Brendle

Matthias Bouchez

Olivia Martin

Jean-François Joly

Carole Bobin

Joaquin Martinez Triguero

Nicolas Bais

Sabine Valange

Daniel Saehr

Jean Giraud

Ngi Suor Gnep

Pierre Moreau

Z&eacute;limir Gabelica

Nathalie Georges-Marchal

V&eacute;ronique Schlussel

Alexandre Jouve

David Marseault

Cécile Thomazeau

Jean Luc Duplan

Eric Sancheż

Patrick Magnoux

Stephane Morin

Stéphane Morin

Hervé Cauffriez

The invention relates to a process for the catalytic cracking of a gasoline feedstock for the production of light olefins, in which said gasoline feedstock is brought into contact with a catalyst comprising at least one zeolite NU-86, alone or in a mixture with at least one other zeolite, at a temperature comprised between 500 and 700&#xb0; C., at an absolute pressure comprised between 10 and 60 MPa, and with a contact time of the feedstock on said catalyst comprised between 10 milliseconds and 100 seconds.

Use of zeolite NU-86 for naphtha catalytic cracking

The present invention concerns spheroidal alumina particles, catalysts comprising such particles as a support and a process for the production of spheroidal alumina particles, comprising the following steps:

Method for manufacturing of spheroidal alumina particles

The invention relates to a process for production of propylene from a C4/C5 olefin cut (for example from steam cracking and/or catalytic cracking), this process comprising an optional selective hydrogenation, a selective oligomerization of the isobutenes and an oligocracking of the n-butenes. The invention makes it possible to obtain a high conversion rate with a good propylene yield and to maximize the production of good-quality gasoline.

Process of direct conversion of a charge comprising olefins with four and/or five carbon atoms, for the production of propylene with co-production of gasoline

The present invention concerns an optimized reforming catalyst comprising at least platinum, at least one promoter metal selected from the group formed by rhenium and iridium, at least one halogen, and at least one alumina support with a low sulphur and phosphorus content.

Optimized catalyst for catalytic reforming

An axial flow staged zone oligomerization reaction process includes the steps of passing a hydrocarbon feedstock into the lower portion of the axial flow staged zone reactor which includes axial circulation of the hydrocarbon reaction fluid serially in each of the reaction zones, passing catalyst through a constriction zone located between successive upper and lower catalytic reaction zones which includes heat exchanging of the fluids being the constriction zone within the reactor and further includes withdrawing the oligomerized product from the top of the reactor.

Multi-zone fixed-bed or moving-bed reactor with an integrated heat exchanger

Described is a process for the treatment of at least one zeolite having a pore size of less than or equal to 7 &#x212b; comprising at least a) a step for dealumination of said zeolite, b) a cationic exchange step using at least one cation other than H, c) a step for treatment of said zeolite obtained in step b) in the presence of at least one molecular compound containing at least one silicon atom, and d) at least one heat treatment step. The present invention also concerns the preparation of a catalyst containing the zeolite treated in accordance with the treatment process the subject-matter of the invention and the use of said catalyst in a process for the oligomerization of an olefinic charge containing hydrocarbon molecules having from 2 to 12 carbon atoms per molecule.

Method for the treatment of a small-and/or medium-pore zeolite and use thereof in the oligomerisation of light olefins

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

A catalyst is described which comprises at least one zeolite with structure type EUO, at least one zeolite selected from IM-5 zeolite and zeolites with structure type MFI, MOR, BEA and MTW, at least one group VIII metal, at least one group IIIA metal and at least one porous mineral matrix. The catalyst of the invention is used in a process for isomerizing a feed comprising aromatic compounds containing 8 carbon atoms per molecule.

Dual zeolite catalyst comprising a group VIII metal and a group IIIA metal, and its use in isomerization of aromatic C8 compounds

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

An EUO-structural-type zeolite that comprises at least one element X that is selected from among silicon and germanium and at least one element T that is selected from among aluminum, iron, gallium, vanadium, zirconium, molybdenum, arsenic, antimony, chromium and manganese is described. It contains at least one alkyl quinuclidinium cation in its intracrystalline pores and has an N/X atomic ratio of more than 0.065, whereby N represents the nitrogen element. This invention also relates to a process for preparation of said zeolite and the use of the latter as an acidic solid in a process for conversion of hydrocarbon feedstocks.

EUO-structural-type zeolite containing the alkyl quinuclidinium structuring agent, process for preparation and use as catalyst

A catalyst is described which comprises at least one zeolite with structure type EUO, at least one zeolite having channels the opening to which is defined by a ring of 10 oxygen atoms (10 MR), at least one zeolite having channels the opening to which is defined by a ring of 12 oxygen atoms (12 MR) and at least one porous mineral matrix. Said catalyst optionally also contains at least one group VIII metal. The catalyst of the invention is used in a process for isomerizing a feed comprising aromatic compounds containing 8 carbon atoms per molecule.

Catalyst comprising an EUO zeolite, a 10 MR zeolite and a 12 MR zeolite, and its use in isomerizing aromatic C8 compounds

A process for isomerizing a feed comprising at least one aromatic compound containing eight carbon atoms per molecule is carried out in the presence of a catalyst comprising at least one modified zeolite with structure type EUO, at least one binder and at least one metal from group VIII of the periodic table, said catalyst having been prepared using a process which comprises the following in succession:

Process for isomerizing aromatic C8 compounds in the presence of a catalyst comprising a modified EUO zeolite

A catalyst is described comprising at least one zeolite with structure type EUO, at least one zeolite with structure type NES, at least one metal selected from metals from groups IIIA, VIIB, VIIB and VIII and at least one porous mineral matrix. The catalyst of the invention is used in a process for isomerizing a feed comprising aromatic compounds containing 8 carbon atoms per molecule.

Catalyst comprising a zeolite with structure type NES and a zeolite with structure type EUO, and use in isomerizing C8 aromatic compounds

The invention relates to a process for preparation of a zeolite that is selected from among the ZBM-30, ZSM-48, EU-2 and EU-11 zeolites, comprising the mixing in an aqueous medium of at least one source of at least one element X (Si and/or Ge) and at least one nitrogen-containing organic compound Q. Said nitrogen-containing organic compound Q is selected from among the compounds comprising at least one ether group and two terminal ammonium groups and their precursors.

Process for preparation of ZBM-30-type zeolites using a diammonium ether-type compound as an organic structuring agent

This invention relates to a staged-zone reactor of the axial-flow type that makes it possible to implement strongly endothermic or exothermic reactions. The reactor comprises a constriction of the catalytic bed between an upper zone () and a lower zone (), making it possible to house in the reactor a heat exchanger for the intermediate heating or cooling of the effluents. Process of chemical conversion using this reactor for exothermic or endothermic reactions in the gas and/or liquid phase, and in particular for the oligomerization reaction of C2 to C12 fractions for the purpose of producing a diesel fraction.

Growing community of inventors

Saint Genis Laval, France

Sylvie Lacombe