Abstract: A device for distributing a poly-phase mixture having a gas phase and liquid phase which mixture is in downflow mode through at least one bed of granular solid. The device has at least one tray (P) located above one of the beds of granular solid. It further has mixer conduits (21) for the liquid and gas phases, each conduit having an upper cross section for flow (22) allowing the passage of the majority of the gas phase, and a lower cross section for flow (23) allowing the mixture formed inside the conduits to communicate with a bed of granular solid. The mixer conduits (21) also having one or more lateral cross sections for flow (26) over at least a portion of their height to allow the passage of the liquid phase and possibly a minor portion of the gas phase inside the mixer conduits. The device also has a jet breaker type dispersive system (28) having a controlled porosity disposed below the lower cross section for flow (23) and above the bed of granular solids.

Abstract: Contact, mixing, and often quenching box (8), with main dimension (D) and height (H7), comprising at least one duct section (B1) located on the upper part of said box (8) for entry of fluids in which said box (8) comprises, downstream from said duct section (B1), in the direction in which the fluids circulate, a means (B4) that provides, in said box (8), for making the fluids swirl in an approximately nonradial direction, and not parallel to the overall direction of circulation of said fluids, and comprising at least one annular, peripheral duct section (B6) for the exit of said mixture of fluids formed in said box (8) whose lower level is located above the upper level for fluid entry through at least one lateral inlet (B3) located in said box (8) above means (B4). A reaction cell (4), of an elongated shape along an approximately vertical axis comprising the contact, mixing, and quenching box (8) is useful for performing exothermic reactions.

Abstract: A reaction chamber (4) elongated along an essentially vertical axis in which at least one reaction fluid is circulated from top to bottom of said chamber (4) through at least one catalyst bed (5), whereby downstream from catalyst bed (5) in the direction of circulation of the reaction fluid, the chamber contains at least one inlet (1) for introducing at least one quenching fluid into contact with the reaction fluid, and downstream from inlet (1) the chamber contains at least one box (8) for further contact, mixing and quenching of said fluids. The box (8) has at least one passage section (9) for entry of the fluids into the box (8). Downstream from the passage section (9) the box (8) contains elements (11) that puts fluids into vortex motion in the box (8) in a direction essentially non-radial and non-parallel to the axis of the chamber.

Abstract: A sub-assembly is described that ensures contact, material distribution and heat and/or material exchange of at least one gas phase, at least a portion of which is hydrogen, and at least one liquid phase, for a vessel containing at least one bed of granular solid, said phases being in overall downflow mode and traversing said bed of granular solid, said sub-assembly comprising at least one distributor tray (P) located above the bed of granular solid, comprising a plurality of downcomers (1) each surmounted by at least one jet disturber device and each having in its upper portion at least one cross section of flow (22) for entry of the major portion of said gas phase into said downcomer and, between said upper portion and the lower portion of said downcomer above tray (P), at least one cross section of flow (2) for entry of the major portion of said liquid phase into said downcomer, and in its lower portion at least one cross section of flow (23) of the mixture formed in the downcomer for distributing it over

Abstract: A device for distributing a poly-phase mixture in downflow mode over at least one bed of granular solid comprises: 1) at least one tray (P) located above one of said beds of granular solid; 2) a plurality of mixer conduits (21) for producing said poly-phase mixture, each of said conduits comprising at least one upper cross section for flow (22) that allows the passage of the majority of the gas phase, at least one lower cross section for flow (23) allowing the mixture formed inside said mixer conduits to communicate with a bed of granular solid, and said conduits being provided over at least a portion of their height with one or more lateral cross sections for flow (26), allowing passage of the liquid phase inside the mixer conduits, and possibly a minor portion of the gas phase; 3) an assembly of jet breaker type dispersive systems (28), each dispersive system possibly being associated with each mixer tube or common to a plurality of mixer tubes or even to all of the mixer tubes.

Abstract: A device for distributing a poly-phase mixture comprises: at least one gas phase and at least one liquid phase, said mixture being in downflow mode through at least one bed of granular solid, comprising: at least one tray (P) located above one of said beds of granular solid, a plurality of mixer conduits (21) for said liquid and gas phases, each of said conduits comprising at least one upper cross section for flow (22) and at least one lower cross section for flow (23) allowing the mixture formed inside said mixer conduits to communicate with a bed of granular solid, said mixer conduits being provided over a portion of their height with one or more lateral cross sections for flow (26), said upper cross section for flow (22) allowing the majority of the gas phase to pass and said lateral cross section for flow (26) allowing the passage of the liquid phase into said mixer conduits and/or at least a portion of the gas phase respectively, said device comprising at least one jet disturber type dispersive system (2

Abstract: Contact, mixing, and often quenching box (8), with main dimension (D) and height (H7), comprising at least one duct section (B1) located on the upper part of said box (8) for entry of fluids in which said box (8) comprises, downstream from said duct section (B1), in the direction in which the fluids circulate, a means (B4) that provides, in said box (8), for making the fluids swirl in an approximately nonradial direction, and not parallel to the overall direction of circulation of said fluids, and comprising at least one annular, peripheral duct section (B6) for the exit of said mixture of fluids formed in said box (8) whose lower level is located above the upper level for fluid entry through at least one lateral inlet (B3) located in said box (8) above means (B4). Reaction cell (4), of an elongated shape along an approximately vertical axis comprising said contact, mixing, and quenching box (8) and use of this cell for performing exothermic reactions.

Abstract: Reaction chamber (4) elongated along an essentially vertical axis in which at least one reaction fluid is circulated from top to bottom of said chamber (4) through at least one catalyst bed (5), whereby downstream from catalyst bed (5) in the direction of circulation of the reaction fluid, the chamber contains at least one means (1) for introducing at least one quenching fluid, and downstream from means (1) for introducing quenching fluid, the chamber contains at least one box (8) for contact, mixing and quenching of said fluids. The box (8) has a primary dimension (D) and height (H1), and at least one passage section (9) for entry of the fluids into the box (8). Downstream from the passage section (9) in the direction of circulation of said reaction fluid, the box (8) contains a means (11) that puts fluids into vortex motion in the box (8) in a direction essentially non-radial and non-parallel to the axis of the chamber.

Abstract: A sub-assembly is described that ensures contact, material distribution and heat and/or material exchange of at least one gas phase, at least a portion of which is hydrogen, and at least one liquid phase, for a vessel containing at least one bed of granular solid, said phases being in overall downflow mode and traversing said bed of granular solid, said sub-assembly comprising at least one distributor tray (P) located above the bed of granular solid, comprising a plurality of downcomers (1) each surmounted by at least one jet disturber device and each having in its upper portion at least one cross section of flow (22) for entry of the major portion of said gas phase into said downcomer and, between said upper portion and the lower portion of said downcomer above tray (P), at least one cross section of flow (2) for entry of the major portion of said liquid phase into said downcomer, and in its lower portion at least one cross section of flow (23) of the mixture formed in the downcomer for distributing it over

Abstract: A device for distributing a poly-phase mixture comprises:

Abstract: The invention relates to a modular device that comprises a reaction zone that includes a catalyst bed and a zone for separation by distillation, as well as independent circulation channels for liquid fluid and gaseous fluid.

Abstract: Device and application thereof for distributing a multiphase mixture having at least one gas phase including, e.g., hydrogen in part and at least one liquid phase, the mixture being in a downward flow through at least one bed of granular solids, the device including, at least one distributor plate located above one of the beds of granular solids at a distance "d", and several mixing channels of the liquid and gas phases of the mixture. Each of the channels has at least one upper passage section and at least one lower passage section allowing communication between the mixture formed in the mixing channels with a bed of granular solids. The mixing channels are provided on at least part of their height with one or more lateral passage sections, the upper passage section allowing the majority of the gas phase of the mixture to pass and the lateral passage sections allowing passage of the liquid phase and/or at least part of the gas phase inside the mixing channels.

Abstract: Disclosed is a single-phase fluid distributor-mixer-extractor for separating beds of granular solids used in chromatography. The distributor includes a device for adding or removing a secondary fluid. The distributor further includes at least one calibrated orifice having a geometry designed to create a sufficient pressure drop to confine fluid turbulence inside a mixing chamber.

Abstract: The invention is a device for distributing a multiphase mixture having at least one gas phase and at least one liquid phase in which the mixture flows downwardly through at least one bed of granular solids. The device includes at least one distributor plate located above one of the at least one bed of granular solids at a distance "d" defining a space with "d" ranging from 0 to 5 cm.

Abstract: A process for the synthesis of essentially linear saturated C.sub.5.sup.+ hydrocarbons from a gas phase comprising synthesis gas is described. The process comprises circulation of an inert liquid phase and said gas phase in a reaction zone, in which the reaction zone is provided with at least one means for introducing gas and liquid phases, and at least one means for extracting the hydrocarbon phase formed by the Fischer-Tropsch reaction, and characterized in that the reaction zone comprises at least one mixing means. Preferably, at least one mixing means is a static mixer. An apparatus for carrying out the described process is also described.

Abstract: Disclosed is a single-phase fluid distributor-mixer-extractor for separating beds of granular solids used in chromatography. The distributor includes a device for adding or removing a secondary fluid. The distributor further includes at least one calibrated orifice having a geometry designed to create a sufficient pressure drop to confine fluid turbulence inside a mixing chamber.

Abstract: The invention concerns a reactive distillation process carried out in a reactive distillation zone which includes at least one catalytic zone flanked by two distillation zones, the vapor from the distillation circulating from bottom to top so as to be in practically no contact with the catalyst, and the liquid circulating from the upper distillation zone (5) to a substantially central zone at the bottom of the catalytic zone without contacting the catalyst, then circulating radially below the catalytic zone via at least one means (20) so as to be introduced into a liquid distribution zone (23), then circulating through the catalytic bed (8) in the catalytic zone, following which the liquid is recovered via at least one liquid overflow means (19) in a lower distillation zone (14).The invention also concerns an apparatus for reactive distillation.