کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
201707 460566 2015 6 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Application of a group contribution equation of state to model the phase behavior of mixtures containing alkanes and ionic liquids
ترجمه فارسی عنوان
استفاده از یک معادله مشارکت گروهی برای مدل سازی رفتار فاز مخلوط های حاوی آلکان ها و مایعات یونی
موضوعات مرتبط
مهندسی و علوم پایه مهندسی شیمی مهندسی شیمی (عمومی)
چکیده انگلیسی


• The GC-EoS was applied to model the phase behavior of {alkane + x-MpyrNTf2} mixtures.
• Pure group parameters for the ionic liquid functional group (MpyrNTf2) are reported.
• Interaction parameters between (MpyrNTf2) and CH3 and CH2 groups were obtained.
• LLE data of {alkane + BMpyrNTF2} mixtures were experimentally determined.
• GC-EoS could be used to model the phase behavior of this kind of mixtures.

In this work, the group contribution equation of state (GC-EoS) of Skjold-Jørgensen was used to model the phase behavior of mixtures of alkanes with different members of the homologous family 1-alkyl-1-methylpyrrolidinium bis(trifluoromethylsulfonyl)imide, [x-Mpyr][NTf2] ionic liquids. Pure group parameters for the ionic liquid functional group (MpyrNTf2) and interaction parameters between this group and the paraffin main group (sub-groups CH3 and CH2) were obtained from activity coefficients at infinite dilution found in literature for binary mixture {alkane + [x-Mpyr][NTf2] ionic liquid}. The GC-EoS of Skjold-Jørgensen, extended with these new parameters, was applied to predict with satisfactory results the phase behavior of binary mixtures {alkane +  [x-Mpyr][NTf2]}. In order to evaluate the GC-EoS performance in the prediction of liquid–liquid equilibria (LLE), experimental LLE data for binary mixtures {hexane, or heptane, or octane, or nonane, or decane +1-butyl-1-methylpyrrolidinium bis(trifluoromethylsulfonyl)imide, [BMpyr][NTf2]} were determined from T = (293.15 to 333.15) K

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Fluid Phase Equilibria - Volume 387, 15 February 2015, Pages 32–37
نویسندگان
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