A separation tray which is loaded in a vertical column, the separation tray, a horizontal upper wall 4 and a lower wall 2 defining an inner space 12 therebetween, and a fluid primary gas and liquid-enriched fluid comprising at least one primary separation device for separating the primary separation device, a vertical tubular conduit 25a, b, c; vortex generating means 36a (downstream of the vortex generating means, adjacent the inner surface of the conduit as a layer of liquid-enriched fluid in the annular area is formed, comprising a are arranged in the conduit), the separation tray further, secondary separation means for removing liquid entrained from the secondary gas to, equipped with a means 40 and 45 to induce taken out of the liquid-rich fluid from the primary separation device, secondary separation means is shaped by the inner free space between the upper and lower wall.