| 摘要 |
<p>A randomly packed bed in a tower or column to prevent nesting of the packing elements and to improve mass transfer efficiency and physical stability. Each packing element has an intermediate curved portion joined with end portions curved in an opposite direction from the intermediate portion. Slots and tongues are provided at least in the intermediate portion. The tongues extend from the concave surface of the intermediate portion and preferably extend beyond a line joining the extremities of said end portions. The intermediate and end portions may be either circular or noncircular. The end portions may be of different lengths. The packing element and sometimes the tongues may be perforated.</p> |
