کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
5409500 | 1506547 | 2016 | 11 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Activity coefficients at infinite dilution for organic solutes dissolved in two 1,2,3-tris(diethylamino)cyclopenylium based room temperature ionic liquids
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
شیمی
شیمی تئوریک و عملی
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
Infinite dilution activity coefficients and gas-to-liquid partition coefficients have been determined for at least 45 different organic solutes of varying polarity and hydrogen-bonding character dissolved in anhydrous 1,2,3-tris(diethylamino)cyclopropenylium dicyanamide, ([TDC]+[DCA]â), and 1,2,3-tris(diethylamino)cyclopropenylium bis(trifluoromethylsulfonyl)imide, ([TDC]+[Tf2N]â). The measured infinite dilution activity coefficients were used to calculation selectivity values for various practical separation problems. Computations showed ([TDC]+[DCA]â) should afford better performance in hexane/benzene and hexane/pyridine separation problems than sulfolane and N-methyl-2-pyrrolidone. Abraham model correlations were derived for predicting solute transfer into both ([TDC]+[DCA]â) and ([TDC]+[Tf2N]â) from water and from the gas phase. The derived correlations describe the observed solute transfer partition coefficients to within 0.13 (or fewer) log units.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Molecular Liquids - Volume 223, November 2016, Pages 89-99
Journal: Journal of Molecular Liquids - Volume 223, November 2016, Pages 89-99
نویسندگان
Abdelaziz Chikh Baelhadj, Fabrice Mutelet, Bihan Jiang, William E. Jr.,