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Feasibility of a cross-flow rotating packed bed in removing carbon dioxide from gaseous streams

机译：错流旋转填充床去除气流中二氧化碳的可行性

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摘要

This work investigates the feasibility of applying a cross-flow rotating packed bed (RPB) to the removal of carbon dioxide (CO2) by absorption from gaseous streams. NaOH solution was used as the model absorbent A method for determining overall volumetric gas-side mass-transfer coefficient (K_Ga) in a cross-flow RPB was developed. Experimental results indicated that the rotor speed positively affects the K_Ga values. Also, the K_Ga values increased with the liquid flow rate and the NaOH concentration; however, decreased with the gas flow rate. Moreover, the obtained results indicated that the K_Ga values of a cross-flow RPB were higher than those of a countercurrent-flow RPB at CO2 concentration of 10%, implying a great potential of a cross-flow RPB applied to the removal of CO2 from gaseous streams.
机译：这项工作研究了应用横流旋转填料床（RPB）去除气流中二氧化碳（CO2）的可行性。使用NaOH溶液作为模型吸收剂。开发了一种用于确定错流RPB中总气体侧传质系数（K_Ga）的方法。实验结果表明，转子速度会对K_Ga值产生积极影响。另外，K_Ga值随着液体流速和NaOH浓度的增加而增加;但是，随着气体流量的增加而降低。此外，获得的结果表明，在CO2浓度为10％时，错流RPB的K_Ga值高于逆流RPB的K_Ga值，这表明错流RPB的潜力很大，可用于从中除去CO2气流。

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