Sulzer Chemtech Ag

Raymond Charles Pluss

Philipp Suess

A method of operating a mass exchange column, a heat exchange column, or a static mixer. The method includes providing a packing wherein assembly of the packing includes providing at least one flat, structural element including a plurality of separate adjoining strips of a sheet material. Each strip has first and second spaced-apart longitudinal edges with longitudinal edges of adjoining strips being placed opposite each other. The adjoining strips are in contact with and secure to each other where they contact each other to provide the flat structural element with structural stability. The longitudinal edges of the strips include a plurality of repetitively spaced-apart recesses of a predetermined shape and the recessed in longitudinal edges are opposite to each other to define a multiplicity of repetitively arranged openings distributed over the structural element. At least some of the structural elements are folded along fold lines to give the folded structural elements a zigzag shape in a cross-section transverse to the fold lines. The folded structural elements are assembled in the layers to thereby form the packing. The packing is installed in an apparatus and a trickle film and a gas stream is flowed over the packing.

Method of operating a mass exchange column, a heat exchange column or a

A flat structural element has a plurality of openings which are distributed according to a predetermined pattern for use in packings. Every opening is delimited by the edges, which extend at an angle to each other or are curved. The structural element is made from two or more adjacent strips of flat material which are connected to each other with butt or overlapping connections.

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Kleinandelfingen, Switzerland

Raymond Charles Pluss