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Hydrodynamic study on radially cross-flow fluidized bed multi-staged ion-exchange column

机译：径向错流流化床多级离子交换塔的水动力研究

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A hydrodynamic study was carried out on our patented radially cross-flow fluidized bed staged column, with the salt laden water and solid resins flowing counter-currently, to determine the loading/flooding criterion for a stable operation of the column, and also to ascertain the mal-distribution in flow. Residense time distribution measurements were taken to address the latter part of the study. The data collected from the hydrodynamic measurements show a wider range of liquid and solid flowrates that can be used for the stable operation of the column, in comparison to that obtained in the conventional multi-staged column. The extent of mal-distribution or channeling is also relatively smaller in the former. The observations are consistent with the mass-transfer results obtained in our recent study, where the separation of dissolved solids using the radially cross-flow ion exchange column was found to be 40% larger than that in the conventional column.
机译：在我们获得专利的径向错流流化床分级色谱柱上进行了水动力研究，其中载有盐的水和固体树脂逆流流动，以确定稳定运行的装载/注水标准，并确定流量分配不均。进行剩余时间分布测量以解决研究的后半部分。与传统的多级塔相比，从流体力学测量中收集到的数据显示出可用于塔稳定运行的更大范围的液体和固体流速。在前者中，不良分布或窜动的程度也相对较小。这些观察结果与我们最近的研究获得的传质结果一致，在该研究中，发现使用径向错流离子交换柱分离溶解固体的体积比常规色谱柱大40％。

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