Abstract: 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.

Abstract: 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.

Abstract: Process for maintaining the stability of performances of a catalyst for Fischer-Tropsch reaction, performed in a slurry bubble column reactor under a triphase system which comprises gradually increasing the PH2O/PH2 ratio and the PH2O/Z ratio, during the start-up phase, with Z=P0·(T/T1)4·e?(K2/(t·K3)) from 0.4 to 0.8, for a period of time not shorter than 100-150 hrs and not longer than 200-300 hours and, at the end of the start-up phase, maintaining the PH2O/PH2 and PH2O/Z ratios substantially equal to or lower than 0.8.

Abstract: Process for maintaining the stability of performances of a catalyst for Fischer-Tropsch reaction, performed in a slurry bubble column reactor under a triphase system which comprises gradually increasing the PH2O/PH2 ratio and the PH2O/Z ratio, during the start-up phase, with Z=P0·(T/T1)4·e?(K2/(t·K3)) from 0.4 to 0.8, for a period of time not shorter than 100-150 hrs and not longer than 200-300 hours and, at the end of the start-up phase, maintaining the PH2O/PH2 and PH2O/Z ratios substantially equal to or lower than 0.8.

Abstract: Process for the production of hydrogen and the co-production of carbon dioxide in separate streams comprising the following operations: feeding of a solid to a first reaction zone (R1) in which a liquid or gaseous hydrocarbon, preferably natural gas or methane, is also fed, which reacts with the solid fed at its maximum oxidation degree (over-oxidized form), leading to the formation of the combustion products carbon dioxide and water and the solid at its minimum oxidation degree (reduced form); feeding of the solid in reduced form to a second reaction zone (R2) into which water is also fed, which reacts with the reduced form of the solid, producing hydrogen, steam and the solid at an intermediate oxidation degree (oxidized form); feeding of the solid in oxidized form to a third reaction zone (R3) into which air is also fed, obtaining, from the further oxidation of the solid, heat and the solid in over-oxidized form to be recycled to the first reaction zone (R1), wherein the solid contains at least one element

Abstract: Process for the production of hydrogen and the co-production of carbon dioxide in separate streams comprising the following operations: feeding of a solid to a first reaction zone (R1) in which a liquid or gaseous hydrocarbon, preferably natural gas or methane, is also fed, which reacts with the solid fed at its maximum oxidation degree (over-oxidized form), leading to the formation of the combustion products carbon dioxide and water and the solid at its minimum oxidation degree (reduced form); feeding of the solid in reduced form to a second reaction zone (R2) into which water is also fed, which reacts with the reduced form of the solid, producing hydrogen, steam and the solid at an intermediate oxidation degree (oxidized form); feeding of the solid in oxidized form to a third reaction zone (R3) into which air is also fed, obtaining, from the further oxidation of the solid, heat and the solid in over-oxidized form to be recycled to the first reaction zone (R1), wherein the solid contains at least en one elem

Abstract: Process for the production of dimethyl ether and the co-production of H2O, starting from methanol, substantially comprising a dehydration reaction of methanol carried out in a reactive distillation column with a packing of the re-active, structured and distillation type.

Abstract: The present invention relates to the use of a silicon-based porous catalytic system for oligomerizing light olefins, the porous silicon-based catalytic system having an average pore diameter of between about 1 nm and about 5 nm and an acidity level of between about 150 ?mol/g and about 650 ?mol/g, and prepared from at least one hydrolysable silicon-based compound, or other source of silicon, and at least one non-ionic surface active agent. The invention also relates to a process for oligomerizing light olefins using the silicon-based porous catalytic system, and to certain silicon-based porous catalytic systems.

Abstract: Process for the production of hydrogen and the co-production of carbon dioxide in separate streams comprising the following operations: feeding of a solid to a first reaction zone (R1) in which a liquid or gaseous hydrocarbon, preferably natural gas or methane, is also fed, which reacts with said solid fed at its maximum oxidation degree (over-reduced form), leading to the formation of the combustion products carbon dioxide and water and the solid at its minimum oxidation degree (reduced form); feeding of the solid in reduced form to a second reaction zone (R2) into which water is also fed, which reacts with said reduced form of the solid, producing hydrogen, steam and the solid at an intermediate oxidation degree (oxidized form); feeding of the solid in oxidized form to a third reaction zone (R3) into which air is also fed, obtaining, from the further oxidation of the solid, heat and the solid in over-oxidized form to be recycled to the first reaction zone (R1), wherein said solid contains at least on e

Abstract: Process for the production of hydrogen consisting in subjecting a solid to oxidation and treating, in a different zone, the oxidized form thus produced with a reducing stream, preferably a hydrocarbon.

Abstract: Process for the production of hydrogen consisting in subjecting a solid to oxidation and treating, in a different zone, the oxidized form thus produced with a reducing stream, preferably a hydrocarbon.

Abstract: Process for the removal of contaminant compounds containing one or more heteroatoms of sulfur, nitrogen and/or oxygen from hydrocarbon streams characterized in that it comprises:an adsorption step in which said compounds are adsorbed by means of an adsorber essentially consisting of silica gel, possibly modified with one or more metals selected from the elements of groups IVb, Vb, VIb, VIII, Ib, IIb or from tin, lead or bismuth, carried out at a temperature of between 0.degree. and 150.degree. C. and at a pressure of between 1 and 20 atm;an optional washing step with polar solvents or hydrocarbons;and a regeneration step for removing the substances adsorbed by means of thermal treatment in a flow of inert gas carried out at a temperature of between 100.degree. and 200.degree. C.