The absorption rate of CO2 by aqueous ammonia in a packed column
作者： Qing Zeng , Yincheng Guo , Zhenqi Niu , Wenyi Lin
DOI: 10.1016/J.FUPROC.2012.05.005
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摘要: article i nfo Article history: The absorption of carbon dioxide into aqueous ammonia solution using packed column was studied experi- mentally. overall rate (Φ) and the volumetric mass transfer coefficient (KGaV) were in- vestigated. varies with process parameters, including manipulated temperature, gas flow rate, liquid concentration CO2 inlet concentration. It is found that Φ increases increasing, although removal efficiency dem- onstrates opposite trend. experiment results show value proportional to bulk partial pressure (PCO2). Besides, KGaV could be determined by calculating slope straight lines against at different concentrations. significantly when from 1.16 kmol/m 3 4.54 .
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