Patent ID: 6427985
Filing Date: 2002-08-06
Classification: B01J,F28C,Y10S

Abstract:
A structured packing for heat exchange and/or mass transfer between a liquid and a gas in a column having at least one packing layer with a first, lower end and a second, upper end, the packing layer having an internal geometry which varies over its height from a first region of the packing layer to a second region of the packing layer wherein the packing layer has touching flat packing elements having folds of defined courses, the fold courses or tangents to the fold courses being at a larger angle to the longitudinal axis of the packing layer in the first region of the packing layer than in the second region of the packing layer and wherein the fold courses or tangents to the fold courses of the packing elements are at an angle of from about 45Â° to about 75Â° to the longitudinal axis of the packing layer in the first region of the packing layer and from about 10Â° to about 45Â° in the second region.