An exchange column having at least a first layer of
structured packing and a second layer of
structured packing, each layer formed from corrugated plates, the corrugated plates of the second layer having an orientation that is rotated at an angle relative to the corrugated plates of the first layer from 20° to 90°, wherein the vertical height of the first layer and / or the vertical height of the second layer is greater than 350 mm or greater than 400 mm.