Abstract: A distributor tray (100) for a column for contact between a gas (G) and a liquid (L) is provided wherein the distributor tray has a plurality of compartments defined on one face of the tray by secant partitions (104) which are perforated (105) to allow the flow of liquid between adjacent compartments. Each compartment includes at least one passage of the liquid through the tray or a chimney (102) projecting from the tray for the exclusive passage of the gas (G) through the tray. The shape of the chimney is identical to the shape of the compartment containing it, and the chimney has an internal volume at least equal to the volume of the compartment containing it.

Abstract: The present invention relates to a distributor tray (1) comprising chimneys (2) for the passage of gas and means for the passage of liquid. The distributor tray furthermore has at least one casing (10) for distributing the gas. The casing (10) is arranged around a plurality of chimneys (2), and has gas remixing means and gas redistribution means.

Abstract: The present invention relates to a gas-redirecting device presenting an upper plane and a plurality of gas-redirecting tubes comprising an inlet end and an outlet end. For each gas-redirecting tube, the orthogonal projections of the inlet end and the outlet end onto the upper plane have an over-lapping area of at most 50% of the total area of the upper plane covered by the orthogonal projections. Also provided is a liquid-gas contacting column comprising a gas-redirecting device, a floating support comprising a liquid-gas contacting column, at least two packed beds and a method for improving the efficiency of a liquid-gas contacting column which is based on redirecting the gas from a wetted zone of a lower packed bed to a wetted zone of the higher packed bed.

Abstract: The invention relates to a distributor tray (100) for a column for contact between a gas (G) and a liquid (L), comprising a plurality of compartments defined on one face of the tray by secant partitions (104) which are perforated (105) to allow the flow of liquid between adjacent compartments. Each compartment comprises at least one means for the passage of the liquid through the tray or a chimney (102) projecting from the tray for the exclusive passage of said gas (G) through the tray. The shape of the chimney is identical to the shape of the compartment containing it, and the chimney has an internal volume at least equal to the volume of the compartment containing it.

Abstract: The invention is a tray 2 for a column for heat and/or matter exchange between a gas and a liquid, comprising at least one chimney 4 projecting from the upper part of tray 2 for exclusive passage of the gas through the tray, at least one means 5 enabling passage of the liquid through tray 2 and the inside of at least one of the chimneys providing exclusive gas passage being provided with a material dispersive towards said gas. The invention also relates to an exchange column comprising such a distributor tray and to the use of such a column.

Abstract: The present invention relates to a column (CO) for the exchange of material and, if appropriate, heat between a gas and a liquid. The exchange column (CO) comprises at least one collector tray and a system for distributing liquid arranged between two packing beds (7), and means for recirculating the liquid (8). The means for recirculating the liquid (8) connect a zone situated below the packing bed (7) to a zone situated above the distributor tray.

Abstract: The present invention relates to a liquid-gas contacting unit comprising a column, at least a lower packed bed and a higher packed bed positioned higher than the lower packed bed inside the column, a gas-tight liquid collecting and redistributing device disposed between the lower and the higher packed bed inside the column and an external pipe outside the column, the external pipe comprising an inlet end, an outlet end and a peripheral wall between the inlet end and the outlet end; the inlet end being positioned between the lower pack bed and the gas-tight liquid collecting and redistributing device and the outlet end being positioned between the higher pack bed and the gas-tight liquid collecting and redistributing device. The present invention also relates to a method for improving the efficiency of a liquid-gas contacting unit.

Abstract: The invention is a distributor tray for at least one a gas/liquid heat and a material exchange column comprising passages for passing gas through the tray. The tray has an upper plate (P1) and a lower plate (P2) with each plate having at least two distinct liquid passages. The openings (10 and 11) of the upper plate (P1) are positioned at distinct elevations with at least one of the liquid passages (10) of upper plate (P1) having a lower elevation communicating with one of the liquid passages of the lower plate through a supply line (9). The invention also relates to a gas/liquid heat and/or material exchange column equipped with a distributor tray (2) in accordance with the invention and to a floating barge having a column and to the use of the column.

Abstract: The present invention relates to a column for exchanging material and, if appropriate, heat between a gas and a liquid. The column comprises at least one collector tray 1 and a liquid distribution system 5, 6 arranged between two packed beds 7, and gas and liquid separation means 8. The present invention proposes arranging gas and liquid separation means 8 between the collector tray 4 and the liquid distribution means 5, 6.

Abstract: The present invention relates to a gas-redirecting device presenting an upper plane and a plurality of gas-redirecting tubes comprising an inlet end and an outlet end. For each gas-redirecting tube, the orthogonal projections of the inlet end and the outlet end onto the upper plane have an over-lapping area of at most 50% of the total area of the upper plane covered by the orthogonal projections. Also provided is a liquid-gas contacting column comprising a gas-redirecting device, a floating support comprising a liquid-gas contacting column, at least two packed beds and a method for improving the efficiency of a liquid-gas contacting column which is based on redirecting the gas from a wetted zone of a lower packed bed to a wetted zone of the higher packed bed.

Abstract: The present invention relates to a column for exchanging heat and/or material between a gas and a liquid. The column comprises at least one collector tray (1), at least one packed bed, and mixing means for a gas flow (7, 8). According to the invention, the mixing means for a gas flow are arranged below the collector tray (1) and above the packing.

Abstract: The invention relates to a tray 2 for a column intended for heat and/or matter exchange between a gas and a liquid, comprising at least one chimney 4 projecting from the upper part of tray 2 for exclusive passage of the gas through the tray and at least one means 5 enabling passage of the liquid through tray 2, the inside of at least one of the chimneys for exclusive gas passage being provided with a material dispersive towards said gas. The invention also relates to an exchange column comprising such a distributor tray and to the use of such a column.

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 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 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 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 packing includes a pile of plates having corrugations forming a succession of channels comprising fins, each fin being made up of at least one band cut out in one of the plates and remaining secured to the plate on at least one side, the band being deformed so as to create an orifice forming a discontinuity on the surface of the plate, wherein the direction of the channels of a plate forms a non-zero angle with respect to the direction of the edges of an adjacent plate. Finally, the lengths of the fins of a channel are different from those of the fins of a neighboring channel.

Abstract: This invention relates to a distributor tray (2) comprising at least one perforated wall (6) defining compartments (8 and 9). According to the invention, distributor tray (2) comprises at least one distribution compartment (8) within which the gas and the liquid can flow through the tray, and at least one retention compartment (9) within which the liquid cannot flow through the tray. The at least one retention compartment is arranged on the periphery of the tray. The invention also relates to a column intended for heat and/or material exchange between a gas and a liquid, equipped with a distributor tray (2), to a floating barge comprising such a column and to the use of the column.

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.