Ifp Energies Nouvelles

Institut Francais Du Pe'trole

Eric Llido

Bogdan Harbuzaru

David Berthout

Patrick Briot

Vincent Coupard

Alain Forestiere

Sylvie Lacombe

Raquel Martinez Franco

Patrick Euzen

Renaud Revel

Carole Bobin

Jean-François Joly

Thierry Poussereau

Laëtitia Jothie

The present invention relates to a process for the rapid synthesis of an AFX-structure zeolite comprising at least:

Method for fast synthesis of an AFX-structure zeolite with a FAUjasite source

The invention relates to a catalyst comprising a mixture of AFX-structure and BEA-structure zeolites and at least one additional transition metal, to the process for preparing same and to the use thereof for the selective catalytic reduction of NOx in the presence of a reducing agent such as NHor H.

Catalyst comprising a mixture of an AFX-structure zeolite and a BEA-structure zeolite and at least one transition metal for selective reduction of NOx

The invention relates to a process for preparing an AFX-structure zeolite comprising at least the following steps:

Method for preparing a high-purity AFX structural zeolite with a nitrogen-containing organic structuring agent

The invention concerns a process for preparing a copper-comprising SAPO material with AFX structure, comprising at least the steps of mixing, in an aqueous medium, at least one aluminum source, at least one silicon source, at least one copper source, at least one phosphorus source, a TETA complexing agent and a TMHD structuring agent, in order to obtain a gel, and hydrothermal treatment of said gel with a shear rate of less than 50 sin order to obtain crystallization of said copper-comprising SAPO material with AFX structure.

Direct synthesis of a SAPO material with AFX structure comprising copper and use of this material

The invention concerns a process for preparing a copper-comprising microporous aluminosilicate material with AFX structure, comprising at least the steps of mixing, in an aqueous medium, at least one aluminum source, at least one silicon source, at least one copper source, a TETA or TEPA organic complexing agent and a DABCO-C4 structuring agent, in order to obtain a gel, and hydrothermal treatment of said gel with stirring in order to obtain crystallization of said copper-comprising microporous aluminosilicate material with AFX structure.

Direct synthesis of a microporous aluminosilicate material having an AFX structure and comprising copper, and use of said material

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

The invention relates to a method for formulation of a synthetic gas oil or an additive for gas oil in which an alkyl-aromatic compound or a mixture of alkyl-aromatic compounds is selected based on at least one parameter that is selected from the group that consists of the number of cycles of the aromatic core, the number of alkyl chains that are grafted to the aromatic cycle, the length of the alkyl chain or chains, the position of the aromatic cycle or cycles on the alkyl chain or chains of said alkyl-aromatic compound or compounds such that the cetane number of the synthetic gas oil or the additive for gas oil is greater than 30. The invention also relates to a process for the production of alkyl-aromatic compounds for use as a gas oil or additive.

Method for formulation of synthetic gas oils or additives for gas oil

A process is described for transforming an initial hydrocarbon feed containing 4 to 15 carbon atoms, limits included, into a hydrocarbon fraction having an improved octane number and a hydrocarbon fraction with a high cetane number.

Process for transforming hydrocarbons into a fraction having an improved octane number and a fraction with a high cetane index

A process is described for the valorization of a charge of hydrocarbons and for reducing the vapour pressure of said charge, comprising three steps: a step a) consisting of separating said charge of hydrocarbons into a fraction (O1) comprising essentially compounds containing 5 carbon atoms, including at least 2% by weight of pentenes, a step b) consisting of placing said fraction (O1) in contact with a cut of hydrocarbons (O2) at least partly comprising hydrocarbons having a number of carbon atoms between 6 and 10, including at least 2% by weight of olefins, and a step c) consisting of separating the effluents originating from step b) into a gasoline cut (&#x3b1;) the upper distillation point of which is less than 100&#xb0; C. and a kerosene cut (&#x3b2;) having a distillation range between 100&#xb0; C. and 300&#xb0; C.

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Communay, France

Eric Llido