Total Research & Technology Feluy

Fina Research, S.a.

Total Petrochemicals Research Feluy

Total Marketing Services

Total Raffinage Marketing

Ifp Energies Nouvelles

Centre National De La Recherche Scientifique

Atofina Research S.a.

Total Raffinage France

Total France

Totalfinaelf France

Jean-Pierre Dath

Delphine Minoux

Nikolai Nesterenko

Walter Vermeiren

Sander Van Donk

Cindy Adam

Luc F Delorme

Xavier Vanhaeren

Guy L Debras

Thierry Cholley

Vincent Coupard

Sylvie Maury

Jacques-François Grootjans

Georges Fremy

Claude Brun

Francis Humblot

Giacomo Grasso

Jacques-Fran&ccedil;ois Grootjans

Laurent Simon

Bertrand Guichard

Kai Hortmann

Jean-Pierre Gilson

Valentin Valtchev

Philip De Smedt

Nicolas Aribert

Nadiya Danilina

Krijn Pieter De Jong

Petra Elisabeth De Jongh

Maxime Lacroix

Christine Aubry

Métin Bulut

François Fajula

Valentina De Grandi

Koen Herrebout

Jovana Zecevic

Adrianus Nicolaas Cornelis Van Laak

Valérie Buono

Kok-Giap Haw

Jean-Michel Goupil

Régine Kenmogne-Gatchuissi

Patrick Euzen

William John Gauthier

Olivier Miserque

Pierre Jacobs

Joseph Lopez

Stéphane Kressmann

Pieter Struelens

Didier Borremans

Sylvie Lopez

Eric Duchesne

Catherine Olivier

George Vulpescu

Francine Genin

Jacques-Francedillaois Grootjans

Orianne Chassard

Alessandro Chieregato

Grégory Lapisardi

Hughes Dulot

Metin Bulut

Francois Fajula

Laura Vaugon

Corine Gerardin

Xiaowei Cheng

The invention pertains to a process for deep desulphurization of low sulphur content feedstock comprising the steps of providing a low sulphur content hydrocarbon feedstock and contacting said hydrocarbon feedstock with a cobalt-molybdenum desulphurizing system or a nickel-molybdenum desulphurizing system in an oxide form in order to obtain a very low sulphur product comprising less than 5 ppm by weight sulphur.

Deep desulphurization of low sulphur content feedstock

A catalyst which comprises an amorphous support based on alumina, a C1-C4 dialkyl succinate, citric acid and optionally acetic acid, phosphorus and a hydrodehydrogenating function comprising at least one element from group VIII and at least one element from group VIB; the most intense bands comprised in the Raman spectrum of the catalyst are characteristic of Keggin heteropolyanions (974 and/or 990 cm), C1-C4 dialkyl succinate and citric acid (in particular 785 and 956 cm). Also a process for preparing said catalyst in which a catalytic precursor in the dried, calcined or regenerated state containing the elements of the hydrodehydrogenating function, and optionally phosphorus, is impregnated with an impregnation solution comprising at least one C1-C4 dialkyl succinate, citric acid and optionally at least one compound of phosphorus and optionally acetic acid, and is then dried. Further, the use of said catalyst in any hydrotreatment process.

Catalyst for use in hydrotreatment, comprising metals from groups VIII and VIB, and preparation with citric acid and C1-C4 dialkyl succinate

A process for the preparation of a catalyst from a catalytic precursor comprising a support based on alumina and/or silica-alumina and/or zeolite and comprising at least one element of group VIB and optionally at least one element of group VIII, by impregnation of said precursor with a solution of a C1-C4 dialkyl succinate. An impregnation step for impregnation of said precursor which is dried, calcined or regenerated, with at least one solution containing at least one carboxylic acid other than acetic acid, then maturing and drying at a temperature less than or equal to 200&#xb0; C., optionally a heat treatment at a temperature lower than 350&#xb0; C., followed by an impregnation step with a solution containing at least one C1-C4 dialkyl succinate followed by maturing and drying at a temperature less than 200&#xb0; C. without subsequent calcination step. The catalyst is used in hydrotreatment and/or hydroconversion.

Process for the preparation of a catalyst which can be used in hydrotreatment and hydroconversion

Catalyst compositions comprising an inorganic porous material with pore diameters of at least 2 nm and of crystals of molecular sieve, characterized in that the crystals of molecular sieve have an average diameter, measured by scanning electron microscopy, not bigger than 50 nm, and in that the catalyst composition presents a concentration of acid sites ranges from 50 to 1200 &#x3bc;mol/g measured by TPD NH3 adsorption; and the XRD pattern of said catalyst composition is the same as the X ray diffraction pattern of said inorganic porous material.

Catalyst compositions comprising small size molecular sieves crystals deposited on a porous material

A method for producing hydrocarbon solvents having a sulfur content of less than 10 ppm, aromatic hydrocarbon content of less than 500 ppm, an initial boiling point higher than or equal to 300&#xb0; C. and final boiling point lower than or equal to 500&#xb0; C., for a fraction interval of a maximum of 100&#xb0; C., and pour point lower than &#x2212;25&#xb0; C. according to the standard ASTM D5950, comprising of the following steps of:

Method for obtaining hydrocarbon solvents with boiling point above 300&#xb0; C. and pour point lower than or equal to &#x2212;25&#xb0; C

The present invention relates to a catalyst composition comprising a modified crystalline aluminosilicate of the Framework Type FER having Si/Al framework molar/ratio greater than 20 characterized in that in said modified crystalline aluminosilicate the ratio between the strong acid sites and the weak acid sites, S/W, is lower than 1.0 and having the extra framework aluminum (EFAL) content lowered to less than 10 wt % preferably 5 wt % even more preferably less than 2 wt % measured by 27Al MAS NMR. The present invention further relates to a process for producing olefins from alcohols in presence of said catalyst composition.

Modified crystalline aluminosilicate for dehydration of alcohols

The present invention is a process for dehydrating an alcohol to prepare corresponding olefin(s), comprising:

Process for preparing olefins by dehydrating alcohols with less side effects comprising addition of organic acids

The present invention relates to a catalyst composition comprising a modified crystalline aluminosilicate of the Framework Type FER having Si/Al framework molar ratio greater than 20 characterized in that in said modified crystalline aluminosilicate the ratio between the strong acid sites and the weak acid sites, S/W, is lower than 1.0 and having the extra framework aluminum (EFAL) content lowered to less than 10 wt % preferably 5 wt % even more preferably less than 2 wt % measured by 27 Al MAS NMR. The present invention further relates to a process for producing olefins from alcohols in presence of said catalyst composition.

A process for purifying an olefin-containing hydrocarbon feedstock comprising the steps of:

Method to purify olefin-containing hydrocarbon feedstocks

The present invention is a process for dehydrating an alcohol to prepare a corresponding olefin, comprising: The component introduced at step (a) can be chosen from the group consisting of thiols, sulfides, disulfides.

Process for preparing olefins by dehydrating alcohols with less side effects comprising addition of sulfur containing compounds

A method to make a phosphorus modified zeolite can include providing a zeolite having at least one ten member ring, making an ion-exchange, steaming the zeolite, and introducing phosphorus on the zeolite. The zeolite can be mixed with one or more binders and shaping additives, and then shaped. A metal can be introduced, and the catalyst can be washed, calcined, and steamed in an equilibration step. The steaming can be at performed at a steam severity (X) of at least about 2. The steaming can be performed at a temperature above 625&#xb0; C. The catalyst can be used in alcohol dehydration, olefin cracking, MTO processes, and alkylation of aromatics by alcohols with olefins and/or alcohols.

Method for making a catalyst comprising a phosphorous modified zeolite and use of said zeolite

The present invention relates to a catalyst comprising a phosphorus modified zeolite, said phosphorus modified zeolite having partly an ALPO structure, wherein, the catalyst comprises a P-modified zeolite and a binder, the zeolite comprises at least one ten members ring in the structure, optionally the catalyst comprises one or more metal oxides, the ALPO structure is determined by a signal between 35-45 ppm inAl MAS NMR spectrum. The present invention also relates to the use of the above catalyst wherein said catalyst is operated in presence of steam at high temperature. 'high temperature' means above 300&#xb0; C. and up to 800&#xb0; C. By way of example one can cite, the alcohol dehydration to convert at least an alcohol into the corresponding olefin, the olefin cracking to make lighter olefins, the MTO and the alkylation of aromatic compounds with olefins and/or alcohols to produce, by way of example, para-xylene, ethylbenzene, cumene etc.

Catalyst comprising a phosphorous modified zeolite and having partly and ALPO structure

A method to make a phosphorus modified zeolite can include providing a zeolite including at least one ten member ring in the structure, steaming the zeolite, mixing the zeolite with one or more binders and shaping additives, and then shaping the mixture. The method can include making a ion-exchange. The shaped mixture can be steamed. Phosphorous can be introduced on the catalyst to introduce at least 0.1 wt % of phosphorus, such as be dry impregnation or chemical vapor deposition. A metal, such as calcium, can be introduced. The catalyst can be washed, calcinated, and then steamed. The steaming severity (X) can be at least about 2. The catalyst can be steamed at a temperature above 625&#xb0; C., such as a temperature ranging from 700 to 800&#xb0; C. The catalyst can be used in alcohol dehydration, olefin cracking, MTO processes, and alkylation of aromatics by alcohols with olefins and/or alcohols.

A catalyst composition contains an inorganic porous material with pore diameters of at least 2 nm and of crystals of molecular sieve. The crystals of molecular sieve have an average diameter, measured by scanning electron microscopy, not bigger than 50 nm. The catalyst composition has a concentration of acid sites ranges from 50 to 1200 &#x3bc;mol/g measured by TPD NH3 adsorption. An XRD pattern of the catalyst composition is the same as an XRD pattern of the inorganic porous material.

Method for obtaining hydrocarbon solvents with boiling point above 300&#xb0;C. and pour point lower than or equal to &#x2212;25&#xb0;C

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Beloeil, Belgium

Jean-Pierre Dath