It is demonstrated that the use of the perforated plate affords a high level of gas holdup, especially at higher superficial gas velocities, and nearly uniform distributions of the solid within the column.

• 结果表明，多孔板分布器加入后淤浆床内的气含率较高，这种差异在较大表观气速下尤为明显，同时床内的流动变得均匀。