亚硫酸盐
化学
二氧化硫
硫黄
钠
无机化学
水溶液
硫酸钠
作者
Guang-Wen Chu,Fei Jia,Cai Yong,Ya-Zhao Liu,Yue Gao,Yong Luo,Jian-Feng Chen
标识
DOI:10.1021/acs.iecr.7b04993
摘要
High efficiency and compact design of the desulfurization technology is necessary to meet the strict emission requirement of the marine environment. A rotating packed bed (RPB), having the high mass transfer efficiency and small size, is an excellent choice for SO2 removal from the flue gas in ships or warships. In this work, SO2 removal in a laboratory and a pilot RPB with sodium sulfite solution was investigated. Experimental results show that the SO2 concentration at the gas outlet of the RPB can meet the emission requirement and it has no obvious scale up effect. A correlation of the mass transfer coefficient (Kya) was proposed and the predicted Kya agrees with the experimental data with a deviation within ±12%. Compared with the spray tower, the RPB has a higher SO2 removal efficiency and a quarter volume, which displays a bright future for the offshore application of SO2 removal.
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