Abstract: The invention is a distributor tray (2) of a column for heating and/or material exchanging material between a gas and a liquid, comprising gas passage casings (4), liquid passages (6) and a secondary distribution system (7) projecting from the lower part of tray (2). Secondary distribution system (7) allows the liquid to be collected and distributed more homogeneously over the contactor. The invention also relates to a gas/fluid heat or material exchange column comprising such a distributor tray.

Abstract: The invention is a distributor tray having at least one perforated wall defining compartments. The distributor tray has at least one distribution compartment through which gas and the liquid flows through the tray, and at least one retention compartment through which the liquid cannot flow through the tray. The at least one retention compartment is on the periphery of the tray. The invention also relates to a column for heat and/or material exchange between a gas and a liquid equipped with a distributor tray, to a floating barge including the column and to the use of the column.

Abstract: A device for mixing and distributing fluids for a downward flow catalytic reactor, said device comprising: a collection zone comprising at least one collection means; at least one substantially vertical collection conduit adapted to receive a reaction fluid collected by said collection means and at least one injection means; a mixing zone; and a distribution zone comprising a distribution plate supporting a plurality of chimneys; characterised in that said mixing zone is disposed at the same level as the distribution zone, said mixing and distribution zones being delimited by at least one annular wall comprising at least one lateral passage section adapted for the passage of the fluids from said mixing zone to said distribution zone.

Abstract: A contactor includes a random packing arrangement in several compartments. The compartments can be delimited by perforated plates or by structured packing walls. A heat and/or material exchange column is equipped with such a contactor. A floating structure includes such a column. A column equipped with such a contactor can be used for a gas treatment, CO2 capture, distillation or air conversion process.

Abstract: A device for mixing fluids for a downflow catalytic reactor (1): at least one substantially horizontal collector (5) provided with a substantially vertical collection conduit (7) receiving fluids collected by (5); at least one injector (8) of a quench fluid opening into (7); a mixing chamber (9) downstream of (5) having an inlet end connected directly to (7) and an outlet end (10) evacuating the fluids; and a pre-distribution plate (11) having a plurality of perforations and at least one riser (13), located downstream of (9); the section of said mixing chamber (9) is a parallelogram and has at least one means (15) deflecting over at least one of the four internal walls of mixing chamber (9) with a parallelogram section.

Abstract: Catalysts and catalytic methods are provided. The catalysts and methods are useful in a variety of catalytic reactions, for example, the oxidative coupling of methane.

Abstract: Device for the mixing and distribution of fluids for a catalytic reactor with a downward flow, said device comprising at least one collection zone (A), at least one mixing zone (B) comprising at least one enclosure (15) for the mixing of the fluids, at least one distribution zone (C), characterized in that said mixing zone (B) is situated at the same level as the distribution zone (C) and also comprises at least one enclosure (16) for the exchange of the fluids, connected to, and communicating with, said mixing enclosure (15), said exchange enclosure (16) comprising at least one lateral passage section (17a, 17b) suitable for the passage of the fluids from said exchange enclosure (16) to said distribution zone (C).

Abstract: A contactor for a heat and/or material exchange column includes an arrangement of two structured packings developing different geometric surface areas and having parallel principal directions. A heat exchange column, a floating structure including such a contactor, and the use of a column equipped with such a contactor are also disclosed.

Abstract: The invention is a distributor tray for a column (1) for heating and/or material exchange between a gas (G) and a liquid (L). At least one wall (6) defines compartments (8) on one of the surfaces of the tray. The walls are perforated (7) to allow part of the liquid to flow between compartments (8). Each compartment has a passage providing flow of the liquid through the tray and for a passage providing flow of the gas through the tray. The invention also relates to a gas/liquid contact column, a gas treatment unit, a CO2 capture unit, a distillation unit, and an offshore floating barge including the distributor tray. The invention also relates to a method of manufacturing the tray.

Abstract: The present invention describes a distributor plate provided with distribution elements having low sensitivity to a lack of horizontality, a distribution element being constituted by two substantially co-axial cylinders termed the inner cylinder (1) and the outer cylinder, the lower horizontal surface (5) separating the two cylinders being closed. The distributor plate is suitable for co-current downflows of gas and liquid, more particularly in “trickle bed” mode. The invention also concerns the application of the distributor plate to processes for the hydrotreatment or hydrogenation of various oil cuts.

Abstract: The present invention describes a distributor plate adapted to co-current downflow flows of gas and of liquid, more particularly in the “trickle” mode, said distributor plate integrating a filtration function separate from the distribution function.

Abstract: Device for the mixing and distribution of fluids for a catalytic reactor with a downward flow, said device comprising a collection zone (A), a mixing zone (B) and a distribution zone (C) comprising a distribution plate (12) comprising at least one first zone (C1) supporting a plurality of chimneys (13) and a second zone (C2); said mixing zone (B) is comprised in an annular enclosure (15) situated in the distribution zone (C), said mixing (B) and distribution (C) zones being delimited by at least one annular wall (16) comprising at least one lateral passage section (17a, 17b) suitable for the passage of the fluids from said mixing zone (B) to the first zone (C1) of said distribution zone (C), and the second zone (C2) comprises a plurality of openings (18) suitable for the partial passage of the fluids out of the distribution zone (C).

Abstract: Device for the mixing and distribution of fluids for a catalytic reactor with a downward flow, said device comprising at least one collection zone (A), at least one mixing zone (B) comprising at least one enclosure (15) for the mixing of the fluids, at least one distribution zone (C), characterized in that said mixing zone (B) is situated at the same level as the distribution zone (C) and also comprises at least one enclosure (16) for the exchange of the fluids, connected to, and communicating with, said mixing enclosure (15), said exchange enclosure (16) comprising at least one lateral passage section (17a, 17b) suitable for the passage of the fluids from said exchange enclosure (16) to said distribution zone (C).

Abstract: The catalytic reactor with downward flow comprises a chamber (1) containing at least two solid catalyst beds (2; 11) separated by an intermediate zone comprising an essentially horizontal collecting plate (5) communicating with a vertical collecting pipe (7) for receiving fluids collected by the collecting plate, with a means for injecting a quenching fluid (8) emptying into the collecting pipe. An annular mixing chamber (9) is located below the collecting plate (5). A predistribution plate (11) is arranged below the chamber (9). The injection means (8) comprises a tubular portion that empties into the collecting pipe (7) in such a way as to inject quenching fluid in a direction forming an angle ? between 45° and 135° with the direction D from the axis of the mixing chamber measured at its input end.

Abstract: The present invention concerns a plate for distributing a polyphase mixture in a reactor operating in trickle bed mode constituted by at least one gas phase and at least one liquid phase, the plate (10) being located above a bed of catalytic particles, comprising a plurality of chimneys (3), characterized in that a portion of the chimneys of the plate located near to the wall of the chamber of the reactor, those termed the peripheral chimneys, have an upper portion which is inclined at an angle with respect to the vertical. The invention also concerns the use of the plate in a reactor with a view to carrying out hydrotreatment, hydrogenation or oxidation reactions.

Abstract: The invention relates to a collector/distributor/exchanger tray 2 of a column for heating and/or material exchange between a gas and a liquid, comprising liquid passage means 14 and gas passage casings 4 to which gas bubbling means 15 are attached. The bubbling means allow an emulsion zone to be created in the upper part of distributor/exchanger tray 2. The invention also relates to an exchange column comprising the distributor tray and to the use of the same.

Abstract: The invention relates to a distributor tray (2) for a gas/liquid heat and/or material exchange column comprising means (4) allowing passage of the gas through the tray. The tray comprises an upper plate (P1) and a lower plate (P2) with each plate comprising at least two distinct liquid passage means. The openings (10, 11) of the upper plate (P1) and positioned at distinct elevations with at least one means (10) of upper plate (P1) having a lower elevation communications with one of means (12) of the lower plate through a supply line (9). The invention also relates to a gas/liquid heat and/or material exchange column equipped distributor tray (2) and to a floating barge comprising such a column and to the use of the column.

Abstract: The invention is a distributor tray (2) of a column for heating and/or material exchanging material between a gas and a liquid, comprising gas passage casings (4), liquid passages (6) and a secondary distribution system (7) projecting from the lower part of tray (2). Secondary distribution system (7) allows the liquid to be collected and distributed more homogeneously over the contactor. The invention also relates to a gas/fluid heat or material exchange column comprising such a distributor tray.

Abstract: The invention relates to a contactor (3) comprising a random packing arrangement (A) in several compartments. The compartments can be delimited by perforated plates (P) or by structured packing walls. The invention also relates to a heat exchange column, to a floating structure and to the use of a column equipped with such a contactor.

Abstract: The invention relates to a contactor (3) for a heat and/or material exchange column comprising an arrangement of two structured packings (A, B) developing different geometric surface areas and having parallel principal directions. The invention also relates to a heat exchange column, to a floating structure and to the use of a column equipped with such a contactor.