Abstract: A gas-liquid contacting tray suitable for horizontal mounting in a normally vertical column, which tray comprises a tray plate with substantially circular circumference and having top and bottom surfaces, which tray plate is provided with passages for gas between the bottom and the top two semi-circular tray sections are defined by a virtual diametrical line of the tray plate; and a total the tray plate to below the tray, of three downcomers for guiding each downcomer extending from an inlet opening arranged in the tray plate to a downcomer outlet opening below the tray, wherein two of the downcomers are arranged in the corners of one of the semi-circular tray sections, and wherein the third downcomer is arranged on the other tray section substantially along a radius of the tray that is perpendicular to the diametrical line.

Abstract: A gas-liquid contacting tray suitable for horizontal mounting in a normally vertical column for counter-currently contacting gas and liquid, which tray comprises a tray plate having top and bottom surfaces, in which tray plate a downcomer inlet opening is arranged; and a downcomer for guiding liquid from the top surface of the tray plate to a downcomer outlet opening below the tray plate, which downcomer has a sidewall extending downwardly from the downcomer inlet opening, in which downcomer sidewall the liquid outlet opening is arranged, and wherein the liquid outlet opening is provided with a liquid guiding means.