کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
10275045 | 461801 | 2005 | 12 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Selection of ionic liquids for the extraction of aromatic hydrocarbons from aromatic/aliphatic mixtures
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی شیمی
مهندسی شیمی (عمومی)
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Selection of ionic liquids for the extraction of aromatic hydrocarbons from aromatic/aliphatic mixtures Selection of ionic liquids for the extraction of aromatic hydrocarbons from aromatic/aliphatic mixtures](/preview/png/10275045.png)
چکیده انگلیسی
Several ionic liquids are suitable for extraction of toluene from toluene/heptane mixtures. The toluene/heptane selectivities at 40 °C and 75 °C with several ionic liquids, [mebupy]BF4, [mebupy]CH3SO4, [bmim]BF4 (40 °C) and [emim] tosylate (75 °C), are a factor of 1.5-2.5 higher compared to those obtained with sulfolane (Stol/hept = 30.9, Dtol = 0.31 at 40 °C), which is the most industrially used solvent for the extraction of aromatic hydrocarbons from a mixed aromatic/aliphatic hydrocarbon stream. From these five ionic liquids, [mebupy]BF4 appeared to be the most suitable, because of a combination of a high toluene distribution coefficient (Dtol = 0.44) and a high toluene/heptane selectivity (Stol/hept = 53.6). Therefore, with [mebupy]BF4 also extraction experiments with other aromatic/aliphatic combinations (benzene/n-hexane, ethylbenzene/n-octane and m-xylene/n-octane) were carried out. The aromatic/aliphatic selectivities were all in the same range, from which it can be concluded that the toluene/heptane mixture is a representative model system for the aromatic/aliphatic separation.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Fuel Processing Technology - Volume 87, Issue 1, December 2005, Pages 59-70
Journal: Fuel Processing Technology - Volume 87, Issue 1, December 2005, Pages 59-70
نویسندگان
G. Wytze Meindersma, Anita (J.G.) Podt, André B. de Haan,