期刊
INTERNATIONAL JOURNAL OF GREENHOUSE GAS CONTROL
卷 5, 期 2, 页码 367-373出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.ijggc.2010.09.010
关键词
Ionic liquids; Synthesis; Characterization; Applications; Carbon dioxide capture; Amines
类别
资金
- National Natural Science Funds for Distinguished Young Scholar [20625618]
- National Basic Research Program of China (973 Program) [2009CB219907]
- National Natural Science Foundation of China [20906096, 20806083]
- Chinese Academy of Sciences [KGCX2-YW-321]
This work presents a study to apply ionic liquids as potential industrial solvents for carbon dioxide capture. In order to obtain effective and low cost ionic liquids solvents, novel alcamines ionic liquids of 2-aminoethanol tetrafluoroborate, 2-12-hydroxyethyl (methyl) amino] ethanol tetrafluoroborate, 2-[2-hydroxyethyl (methyl) amino] ethanol phosphate, 2-[2-hydroxyethyl (methyl) amino] ethanol sulfate and 2-[2-hydroxyethyl (methyl) amino] ethanol chloride were synthesized and characterized. Ten ionic liquids solvents of amines + ionic liquids + H2O, ionic liquids + H2O were prepared by mixing two or three compounds of 2-aminoethanol, 2-[2-hydroxyethyl (methy:.) amino] ethanol, 2-[bis (2-hydroxyethyl) amino] ethanol, ionic liquids and water to capture carbon dioxide. Additionally. CO2 capture performances in three traditional amines + H2O solvents were also investigated. The results show that 2-12-hydroxyethyl (methyl) amino] ethanol + 2-[2-hydroxyethyl (methyl) amino] ethanol chloride + H2O + piperazine (MCHP) system is the best among the prepared solvents. The regeneration performance of the solvent was also investigated. Mechanisms of CO2 absorption and desorption with the synthesized ILs are obtained by in situ FTIR spectra analysis. Crown Copyright (C) 2010 Published by Elsevier Ltd. All rights reserved.
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