期刊
JOURNAL OF CHEMICAL AND ENGINEERING DATA
卷 55, 期 3, 页码 1398-1401出版社
AMER CHEMICAL SOC
DOI: 10.1021/je900565e
关键词
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资金
- National High Technology Research and Development Program of China (863 Program) [2007AA061702]
To explore environmentally benign solvents for absorbing SO2, a series of caprolactam tetrabutyl ammonium bromide ionic liquids were synthesized, the solubilities of SO2 in which were measured at (298.2 to 403.2) K and atmospheric pressure. The solubilities of SO2 in these ionic liquids were 0.680 at 298.2 K and ambient pressure and decreased sharply as temperature increased and increased with the increasing mole ratio of caprolactam. A fifth-order polynomial was proposed and verified by experimental Solubility data. The absorption and desorption of SO2 were practically reversible in the synthesized ionic liquids.
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