کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
9626087 | 460698 | 2005 | 7 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Solubility measurement and prediction of carbon dioxide in ionic liquids
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی شیمی
مهندسی شیمی (عمومی)
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چکیده انگلیسی
Room temperature ionic liquids are receiving growing attentions as green solvents for reactions and separations. In particular, ionic liquids + carbon dioxide systems are of importance in the recovery of solutes in supercritical fluid extraction. Solubilities of carbon dioxide in ionic liquids, [bmim][PF6], [C6mim][PF6], [emim][BF4], [C6mim][BF4], [emim][Tf2N] and [C6mim][Tf2N], were experimentally studied at 298.15 K and up to 1 MPa in the present study. Present and literature data were fitted to determine group segment numbers and interaction energy parameters between groups for the group contribution non-random lattice-fluid equation of state. The agreements between data and calculated solubilities and densities were found generally good for ionic liquids with 1-alkyl-3-methylimidazolium cations and [PF6], [BF4] and [Tf2N] anions.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Fluid Phase Equilibria - Volumes 228â229, February 2005, Pages 439-445
Journal: Fluid Phase Equilibria - Volumes 228â229, February 2005, Pages 439-445
نویسندگان
Y.S. Kim, W.Y. Choi, J.H. Jang, K.-P. Yoo, C.S. Lee,