DIVIDED WALL COLUMNS FOR SMALLER SIZED PLANTS

摘要

A divided exchange column includes a cylindrical shell column (60) having a longitudinal axis and divided into two or more longitudinally extending part-cylindrical internal columns (40, 50), each said column being discretely preformed and having a respective part-cylindrical wall (44, 54) adjacent the cylindrical shell and terminating in two longitudinally extending edges and closed between said edges with one or more side walls (42,52).