摘要 |
<p>A radial flow adsorption vessel (20) has a cylindrical shell (22) having a longitudinal axis (40) and containing a plurality of concentric cylindrical screens (24,26,28,30) of which at least one is flexible in both the axial and radial directions. Preferably, the at least one screen flexible screen is an intermediate screen (26,28) disposed between an outer screen (24) and an inner screen ((24) and the screens (24,26,28,30) are attached at their top to the upper end (52) of the shell (22) and at their bottom to a bottom plate (38) which may be fixed or axially movable.. <IMAGE></p> |