Institut Francais Du Pe'trole

Ifp Energies Nouvelles

Institut Francais Du P&eacute;trole

Carine Petit-Clair

Denis Uzio

Blaise Didillon

Lars Fischer

Vincent Coupard

Malika Boualleg

Christophe Bouchy

Florent Picard

Nathalie Marchal-George

Priscilla Avenier

Cecile Thomazeau

Nathalie Marchal

Laurent Savary

Stephane Cremer

Catherine Verdon

Michel Martin

Cécile Thomazeau

Lois Sorbier

Frederic Portejole

Frederic Portejoie

Loïc Sorbier

Stéphane Cremer

A process for the preparation of a catalyst comprising palladium, a porous support with a specific surface area in the range 140 to 250 m/g, said catalyst being prepared by a process comprising the following steps:

Method for preparing a selective hydrogenation catalyst

A catalyst comprising palladium, a porous support comprising at least one refractory oxide selected from the group constituted by silica, alumina and silica-alumina, the palladium content in the catalyst being in the range 0.01% to 2% by weight with respect to the total catalyst weight, at least 80% by weight of the palladium being distributed in a crust at the periphery of said support, the thickness of said crust being in the range 20 to 100 &#x3bc;m, characterized in that said support is in the form of an extrudate and in that said support comprises a specific surface area in the range 165 to 250 m/g.

Selective hydrogenation catalyst comprising an extruded support

The invention concerns a catalyst comprising a porous support, palladium, at least one metal selected from the group constituted by alkalis and alkaline-earths, in which: The invention also concerns the preparation of the catalyst and its use in selective hydrogenation.

Catalyst comprising palladium and its application in selective hydrogenation

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

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 process for hydrodesulphurizing gasoline cuts is carried out in the presence of a catalyst comprising at least one group VIII element, at least one group VIB element, and a support with a specific surface area of less than about 200 m/g, wherein the density of the group VIB elements per unit surface area of the support is in the range 4&#xd7;10to 36&#xd7;10g of group VIB element oxides per mof the support.

Process for hydrodesulphurizing cuts containing sulphur containing compounds and olefins in the presence of a supported catalyst comprising group VIII and VIB elements

Conducting the hydrodesulphurization of gasoline cuts in the presence of a catalyst comprising at least one support, at least one element of group VIII and tungsten, in which the atomic ratio (element of group VIII)/(element of group VIII+tungsten) is greater than 0.15 and less than 0.50, preferably 0.35&#x2013;0.40 inclusive.

Process for hydrodesulphurization of cuts containing sulphur containing compounds and olefins in the presence of a catalyst comprising an element of group VIII and tungsten

A process for eliminating mercury and possibly arsenic from a hydrocarbon feed comprises:

Process for capturing mercury and arsenic in a distilled hydrocarbon cut

Process for capturing mercury and arsenic comprising evaporation then condensation of a hydrocarbon-containing cut

The present invention relates to a catalyst which can be used in a process involving a conversion reaction for organic compounds, containing at least one support and at least one metal, and characterized in that it has particles of an average size greater than approximately 1 nm, and more than 80% of particles, the size of which is comprised in the range D&plusmn;(D.0.2) where D represents the average size of the particles. It also relates to the process for preparing this catalyst which consists of preparing a colloidal suspension, in aqueous phase, of the metal oxide or metals to be supported, then depositing this suspension on a support, and optionally reducing the oxide thus supported.

Supported catalysts to be used in conversion reactions for organic compounds

In a catalyst process involving a conversion reaction for organic compounds, e.g. hydrogenations, the catalyst contains at least one support and at least one metal, and is characterized in that it has particles of an average size greater than approximately 1 nm, and more than 80% of particles, the size of which is comprised in the range D&plusmn;(D.0.2) where D represents the average size of the particles. The catalyst is prepared in a colloidal suspension, in aqueous phase, of the metal oxide or metals to be supported, then depositing this suspension on a support, and optionally reducing the oxide thus supported.

Growing community of inventors

Montesson, France

Carine Petit-Clair