| 三元铁基离子液体-乙醇-水体系的湿法烟气脱硫性能研究(英文) |
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| 引用本文： | 解美莹,李沛沛,郭惠锋,高丽霞,余江.三元铁基离子液体-乙醇-水体系的湿法烟气脱硫性能研究(英文)[J].中国化学工程学报,2012,20(1):140-145. |
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| 作者姓名： | 解美莹 李沛沛 郭惠锋 高丽霞 余江 |
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| 作者单位： | Research Group of Environmental Catalysis and Separation Process, College of Chemical Engineering, Beijing University of Chemical Technology, Beijing 100029, China |
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| 基金项目： | Supported by the National Natural Science Foundation of China (21076019,90610007);the National High Technology Research and Development Program of China (2007AA06Z115);the Ph.D. Programs Foundation of Ministry of Education of China (20090010110003);the Fundamental Research Funds for the Central Universities (ZD1001) |
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| 摘 要： | Fe-based ionic liquid(Fe-IL) was synthesized by mixing FeCl3?6H2O 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 concen-tration of SO2,reaction temperature,pH and Fe-IL fraction in aqueous desulfurization solution on the desulfuriza-tion 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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| 关 键 词： | Fe-based ionic liquid ternary phase diagram sulfide dioxide wet flue gas desulfurization |
| 收稿时间： | 2011-08-14 |
Ternary System of Fe-based Ionic Liquid,Ethanol and Water for Wet Flue Gas Desulfurization |
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| XIE Meiying,LI Peipei,GUO Huifeng,GAO Lixia and YU Jiang.Ternary System of Fe-based Ionic Liquid,Ethanol and Water for Wet Flue Gas Desulfurization[J].Chinese Journal of Chemical Engineering,2012,20(1):140-145. |
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| Authors: | XIE Meiying LI Peipei GUO Huifeng GAO Lixia and YU Jiang |
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| Affiliation: | Research Group of Environmental Catalysis and Separation Process, College of Chemical Engineering, Beijing University of Chemical Technology, Beijing 100029, China |
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| Abstract: | Fe-based ionic liquid(Fe-IL) was synthesized by mixing FeCl3·6H2O 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 SO2,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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| Keywords: | Fe-based ionic liquid ternary phase diagram sulfide dioxide wet flue gas desulfurization |
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