Ternary System of Fe-based Ionic Liquid, Ethanol and Water for Wet Flue Gas Desulfurization

解美莹; 李沛沛; 郭惠锋; 高丽霞; 余江

doi:10.1016/S1004-9541(12)60373-5

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Ternary System of Fe-based Ionic Liquid, Ethanol and Water for Wet Flue Gas Desulfurization

Updated：2026-01-06

- Ternary System of Fe-based Ionic Liquid, Ethanol and Water for Wet Flue Gas Desulfurization
- Chinese Journal of Chemical Engineering Vol. 20, Issue 1, Pages: 140-145(2012)
- Affiliations：
  
  Research Group of Environmental Catalysis and Separation Process, College of Chemical Engineering, Beijing University of Chemical Technology,Beijing,China,100029
- Author bio：
- Funds：
- DOI：10.1016/S1004-9541(12)60373-5
  CLC： X701.3
- Published：2012
- Accepted：
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XIE Meiying, LI Peipei, GUO Huifeng, GAO Lixia, YU Jiang. Ternary System of Fe-based Ionic Liquid, Ethanol and Water for Wet Flue Gas Desulfurization[J]. Chin.J.Chem.Eng., 2012, 20(1): 140-145.
DOI：

XIE Meiying, LI Peipei, GUO Huifeng, GAO Lixia, YU Jiang. Ternary System of Fe-based Ionic Liquid, Ethanol and Water for Wet Flue Gas Desulfurization[J]. Chin.J.Chem.Eng., 2012, 20(1): 140-145. DOI： 10.1016/S1004-9541(12)60373-5.

摘要

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Abstract

Fe-based ionic liquid(Fe-IL) was synthesized by mixing FeCl

·6H

O and 1-butyl-3-methylimidazolium chloride [Bmim

]

Cl in this paper.The phase diagram of a ternary Fe-IL

ethanol and water system was investigated to construct a ternary desulfurization solution for wet flue gas desulfurization.The effects of flow rate and concentration of SO

reaction temperature

pH and Fe-IL fraction in aqueous desulfurization solution on the desulfurization efficiency were investigated.The results shows that the best composition of ternary desulfurization solution of Fe-IL

ethanol and water is 1:1.5:3 by volume ratio

and pH should be controlled at 2.0.Under such conditions

a desulfurization rate greater than 90% could be obtained.The product of sulfuric acid had inhibition effect on the wet desulfurization process.With applying this new ternary desulfurization solution

not only the catalyst Fe-IL can be recycled and reused

but also the product sulfuric acid can be separated directly from the ternary desulfurization system.

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