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Vol. 25 No. 4 (2013): Vol 25 Issue 4

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Absorption and Desorption of Sulphur Dioxide in Ethylene Glycol + Water Binary System

https://doi.org/10.14233/ajchem.2013.13350
Jianbin Zhang
College of Chemical Engineering, Inner Mongolia University of Technology, Huhhot 010051, P.R. China ; Insititute of Coal Conversion & Cyclic Economy, Inner Mongolia University of Technology, Huhhot 010051, P.R. China
Yongfeng Zhang
College of Chemical Engineering, Inner Mongolia University of Technology, Huhhot 010051, P.R. China ; Insititute of Coal Conversion & Cyclic Economy, Inner Mongolia University of Technology, Huhhot 010051, P.R. China
Jie Bai
College of Chemical Engineering, Inner Mongolia University of Technology, Huhhot 010051, P.R. China ; Insititute of Coal Conversion & Cyclic Economy, Inner Mongolia University of Technology, Huhhot 010051, P.R. China
Chunping Li
College of Chemical Engineering, Inner Mongolia University of Technology, Huhhot 010051, P.R. China ; Insititute of Coal Conversion & Cyclic Economy, Inner Mongolia University of Technology, Huhhot 010051, P.R. China

Corresponding Author(s) : Yongfeng Zhang

environzyf@sina.com; 10510892@pku.edu.cn

Asian Journal of Chemistry, Vol. 25 No. 4 (2013): Vol 25 Issue 4

Abstract

In previous work, considering the industrial flue gas desulphurization (FGD) processes, F1 = 80 % EGW (ethylene glycol + water) (ca. 0.5 molar fraction of ethylene glycol) was confirmed as the optimum composition of desulphurization solution. The present work was used to provide absorption and desorption apparatus for the flue gas desulphurization processes using simulate flue gas. The present work showed that the absorption rate of 1058 ppm SO2/N2 mixture was decreased into 177.2 ppm when the gas-liquid ratio is 3. In the process, the desulphurization rate arrived at 83 %. Meanwhile, in the desorption process, the concentration of SO2 in the 80 % EGW were changed from 37.9 mg/L into 1.7 mg/L and the desorption rate arrived at 95 %.

Keywords

Desulphurization Ethylene glycol Sulphur dioxide
Zhang, J., Zhang, Y., Bai, J., & Li, C. (2012). Absorption and Desorption of Sulphur Dioxide in Ethylene Glycol + Water Binary System. Asian Journal of Chemistry, 25(4), 2113–2115. https://doi.org/10.14233/ajchem.2013.13350
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