Abstract
Absorption of SO2 from a gas mixture with an ammonia-based solution was investigated using a counter current rotating packed bed (RPB) with SiC structured packing and plastic packing. Effects of operating parameters, such as the rotational speed, liquid flow rate, gas flow rate, liquid–gas ratio, inlet concentration of SO2, and the alkalinity of absorbent on the removal efficiency of SO2, were examined. Experimental results showed that the plastic packing had a better desulfurization performance under the same operation conditions. Moreover, correlations of gas-side volumetric overall mass transfer coefficients of the RPB with the two types of packing were obtained and the predicted data were in good agreement with experimental results.
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