Eni S.p.a.

Institut Francais Du Pe'trole

Other

Agip Petroli S.p.a.

Enitecnologie S.p.a.

Ifp Energies Nouvelles

Roberto Zennaro

Magalie Roy-Auberger

Andrea Gusso

Giuseppe Bellussi

Giovanni Pederzani

Philippe Courty

Patrick Chaumette

Roberta Miglio

Vincenzo Piccolo

Renaud Revel

Lino Carnelli

Gianpiero Groppi

Enrico Tronconi

Carlo Giorgio Visconti

Enrico Radaelli

Patrick Euzen

Mario G Clerici

Stefano Rossini

Gastone Del Piero

Elsa Mignone

Gabriele Carlo Ettore Clerici

Lino Locatelli

Pio Forzatti

Andrea Tasso

Luca Lietti

Alberto DelBianco

Magalie Roy

Laurent Normand

Dan Ion Enache

Vincent Zozaya

Sonia Morselli

Mario Molinari

Luigina Maria Flora Sabatino

Virginie Tissot

Massimo Iovane

A reactor for Fischer-Tropsch reaction effected in a three-phase system essentially consisting of a gaseous reagent phase, a liquid reacted phase and a solid catalytic phase, wherein the solid catalytic phase is composed of packed bodies encaged in at least one open-cell foam structure with a high thermal conductivity.

Packed-bed tubular reactor for heterogeneous exothermic or endothermic catalytic reactions

A process for the purification of an aqueous stream coming from the Fischer-Tropsch reaction using distillation and/or stripping treatment, a treatment with at least one inorganic base and a treatment with at least one organic base. This process allows at least a part of the aqueous stream coming from the Fischer-Tropsch reaction to be used as process water in the synthesis gas production plant, subsequently sent to the Fischer-Tropsch plant for the production of hydrocarbons.

Process for the purification of an aqueous stream coming from the fischer-tropsch reaction

Reactor for Fischer-Tropsch reaction which is carried out in a three-phase system essentially consisting of a reacting gaseous phase, a reacted liquid phase and a solid catalytic phase, wherein the solid catalytic phase consists of packed or structured bodies of catalytic material encaged within at least one honeycomb monolithic structure with a high thermal conductivity.

Reactor for exothermic or endothermic catalytic reactions

Process for the purification of an aqueous stream coming from the Fischer-Tropsch reaction which comprises: feeding said aqueous stream containing the organic by products of the reaction to one or more pervaporation units, said one or more pervaporation units comprising at least one polymeric pervaporation membrane, obtaining two outgoing streams: &#x2014;an aqueous stream (i) enriched in alcohols having from 1 to 8 carbon atoms, preferably from 2 to 4 carbon atoms; &#x2014;an aqueous stream (ii) enriched in water.

A process is described for synthesising hydrocarbons from a mixture comprising carbon monoxide and hydrogen and possibly carbon dioxide CO, in the presence of a supported catalyst comprising at least one group VIII metal. The support comprises zirconia or a mixed zirconia-alumina oxide and the zirconia is present in the quadratic and/or amorphous form. Said catalyst is used in a liquid phase in a three-phase reactor.

Process for synthesising hydrocarbons in a three-phase reactor in the presence of a catalyst comprising a group VIII metal supported on zirconia or on a zirconia-alumina mixed oxide

A method for the preparation of hydrogenated hydrocarbons comprising a preliminary treatment of natural gas with a catalyst at a high temperature and the subsequent hydrogenation of the mixture of cyclic and/or aromatic hydrocarbons formed.

Method for the preparation of hydrogenated hydrocarbons

A process is described for synthesizing hydrocarbons from a mixture comprising carbon monoxide and hydrogen in the presence of a catalyst comprising at least one group VIII metal supported on a silica-alumina prepared by co-precipitating and calcining at a temperature in the range from about 500&#xb0; C. to about 1200&#xb0; C. for at least 6 hours so that said silica-alumina has a specific surface area of less than 260 m/g. Said catalyst is used in a fixed bed or in suspension in a liquid phase of a three-phase reactor.

Process for synthesising hydrocarbons in the presence of a catalyst comprising a group VIII metal supported on silica-alumina

A supported cobalt-based catalyst, characterized in that the carrier has an average particle diameter, measured by Coulter LS230, ranging from 70 to 250 &mgr;m, a surface area higher than 175 m /g and a pore volume higher than 0.35 cm /g, measured by the B.E.T. method. The catalyst is particularly useful in the Fischer-Tropsch reaction.

Supported cobalt-based catalyst

A supported cobalt-based catalyst characterized in that the carrier has an average particle diameter, measured by means of Coulter LS230, ranging from 70 to 250 &mgr;m, a surface area higher than 175 m /g and a pore volume higher than 0.35 cm /g, measured with the B.E.T. method. The catalyst is useful in the Fischer-Tropsch reaction.

A catalyst, which can be used in the Fischer-Tropsch process, and contains cobalt oxide having crystals with an average size ranging from 20 to 80 &angst; supported on an inert carrier of alumina. A preparation process for the catalyst and a Fischer-Tropsch process utilizing the catalyst are also provided.

Catalyst based on cobalt and its use in the fischer-tropsch process

A process is described for converting synthesis gas in the presence of a catalyst comprising at least one group VIII element dispersed on a support comprising alumina modified by aqueous impregnation of quaternary ammonium silicate and comprising in the range of about 3% by weight to about 9.5% by weight of silica. Said support can optionally also comprise at least one oxide selected from the group formed by rare earth oxides, alkaline-earth oxides and zirconium oxide.

PROCESS FOR CONVERTING SYNTHESIS GAS IN THE PRESENCE OF A CATALYST COMPRISING A GROUP VIII ELEMENT DISPERSED ON A SUPPORT BASED ON ALUMINA MODIFIED BY AQUEOUS IMPREGNATION OF QUATERNARY AMMONIUM SILICATE

A process is described for synthetizing hydrocarbons from a mixture comprising carbon monoxide and hydrogen in the presence of a catalyst comprising at least one group VIII metal supported on a silica-alumina prepared by co-precipitating and calcining at a temperature in the range from about 500&deg; C. to about 1200&deg; C. for at least 6 hours such that said silica-alumina has a specific surface area of less than 260 m /g. Said catalyst is used in a fixed bed or in suspension in a liquid phase of a three-phase reactor.

Process for synthetizing hydrocarbons in the presence of a catalyst comprising a group VIII metal supported on silica-alumina

Catalytic composition comprising a larger quantity of Cobalt, in metal form or in the form of a derivative, and smaller quantities of Ruthenium and Tantalum, in metal form or in the form of a derivative, the above elements being dispersed on a carrier selected from the oxides of at least one of the elements selected from Si, Ti, Al, Zn, Sn, Mg.

Catalytic composition useful in the Fischer-Tropsch reaction

Process for the preparation of a catalyst based on cobalt and scandium

Catalytic composition suitable for the fischer-tropsch process

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Milan, Italy

Roberto Zennaro