Centre National De La Recherche Scientifique

Ifp Energies Nouvelles

Universite Claude Bernard – Lyon1

Elf France

Institut Francais Du Pe'trole

Rhodia Operations

Elf Aquitaine Production

Europeenne De Retraitement De Catalyseurs Eurecat

Adisseo France Sas

Ecole Superieure De Chimie Physique Electronique De Lyon

Christophe Geantet

Thierry Des Courieres

Michele J Breysse

Michel Danot

Denis Uzio

Antoine Fecant

Eric Puzenat

Dina Lofficial

Jean-Louis Portefaix

Pierre Dufresne

Slavik Kasztelan

Philippe Marion

Arnaud Baudot

Samuel Mignard

Delphine Bazer-Bachi

Franck Labruyere

David Chiche

Didier Morvan

Michel Lacroix

Nabil Allali

Virginie Belliere-baca

Martine Boulinguiez

Pavel Afanasiev

Valerie Gaborit

Pavel Afanassiev

Cecile Glasson

Dorothée Laurenti

Amélie Hynaux

Vincent Girard

Félix Taulou

Delphine Bazar-Bachi

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

A process for capturing sulphur impurities present in gas feeds containing Hand/or CO:

Process for capturing sulphur impurities using specific retaining materials

Organic compounds containing at least one site of ethylenic unsaturation are catalytically hydrocyanated and the medium of hydrocyanation is separated into desired linear organic compounds containing at least one nitrile function, e.g., 3-pentenenitrile, and undesired nitrile by-products, e.g., methylglutaronitrile, and the undesired nitrile by-products are hydrodenitrogenated into ammonia and at least one hydrocarbon compound under an absolute hydrogen pressure ranging from 0.1 to 10 MPa at a temperature ranging from 200&#xb0; to 500&#xb0; C. and in the presence of a hydrodenitrogenation catalyst.

Production of nitrile compounds

The present invention concerns a process for sulphurising a hydrocarbon hydrotreatment catalyst in the presence of hydrogen and at least one sulphur-containing compound. The process is characterized in that the catalyst comprises a carbon-containing compound the major portion of which is not leachable deposited in its pores. The invention is of particular application to sulphurization carried out off-site.

Precarbonisation of a hydrotreatment catalyst

The present invention concerns a hydrorefining and/or hydrocracking catalyst for hydrocarbon feeds, comprising at least one mixed sulphide comprising sulphur, at least one group VB element, preferably niobium, and at least one group VIB element, preferably molybdenum or tungsten, more preferably molybdenum, optionally combined with a support and/or at least one group VIIA metal and/or at least one group VIII metal and/or an element selected from the group formed by S, P, B, Si.

Hydrodefining and hydrocracking catalyst comprising a mixed sulphide

Catalyst comprising at least one zirconium oxide, characterized in that it consists, for at least 85% of its weight, of a thermally stable support with a specific surface greater than or equal to 150 m.sup.2 /g containing from 60 to 99 weight % of at least one zirconium oxide and from 40 to 1 weight % of at least one metal oxide of at least one metal chosen from the group consisting of metals from Groups V, VI and VII, noble metals such as ruthenium, osmium, rhodium, iridium and uranium, and the elements phosphorus, arsenic and sulphur, the support being obtained by the molten salts technique by introduction of a mixture of salts into a eutectic mixture of alkali metal nitrates or sulphates which, after dehydration, is maintained between 250.degree. and 550.degree. C., from 30 minutes to 5 hours.

Catalysts based on highly dispersed metal oxides, comprising in

Catalyst for hydrorefining hydrocarbon feedstocks including niobium trisulphide, said catalyst is particularly suited for the scission of carbon-nitrogen and carbon-sulphur bonds.

Hydrorefining process employing a niobium trisulfide-containing catalyst

Catalyst for hydrorefining hydrocarbon feedstocks consisting of niobium trisulphide, bulk or deposited on an inert support. This catalyst is particularly efficient for the reactions of scission of carbon-nitrogen and carbon-sulphur bonds.

Catalyst for hydrorefining hydrocarbon feedstocks containing niobium

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Miribel, France

Christophe Geantet