A novel design rotating packed bed is presented, aiming at mitigation of liquid maldistribution commonly encountered in rotating packed beds. The design consists of three concentric, perforated rings placed in the packing, which act as liquid redistribution rings. The effectiveness of the redistribution rings in a rotating packed bed was experimentally demonstrated, showing that an induced maldistribution of 3 × 1/16th was mitigated by at least 90 % within the design operating window. Furthermore, an induced maldistribution of 1/4th of the reactor was mitigated by at least 70 %, irrespective of whether a random packing is present or not. The proposed repeated use of redistribution rings therefore enables a more uniform wetting of the whole packing, which potentially enables a more effective scale-up of rotating packed beds. To assist the design of redistribution rings, a design equation for the thickness of the liquid layer on the redistribution rings (which determines the operating window) was developed and shown to be accurate within 10 %.

提出了一种新颖的设计的旋转填充床，旨在减轻旋转填充床中通常遇到的液体分布不均。该设计由放置在填料中的三个同心穿孔环组成，它们充当液体重新分配环。实验证明了在旋转填充床中重新分布环的有效性，表明在设计操作窗口内，将3×1 / 16th的诱导分布不均至少减轻了90％。此外，无论是否存在无规堆积，反应器的1/4分布不均至少可减轻70％。因此，提议的重复使用再分配环可以使整个填料更均匀地润湿，这有可能使旋转的填料床更有效地放大。