کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
5411662 1506579 2014 6 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Volumetric properties of ionic liquids and their binary mixtures from improved Tao-Mason equation of state
ترجمه فارسی عنوان
خصوصیات حجمی مایعات یونی و مخلوط دوتایی آنها از معادله ی تائو-میسون بهبود یافته
کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه شیمی شیمی تئوریک و عملی
چکیده انگلیسی
In this work, the Tao-Mason (TM) equation of state (EOS) has been employed to model the pressure-volume-temperature (PVT) properties of ionic liquids (ILs) by the help of an alternative corresponding state correlation based on the measurable scaling constants, i.e., surface tension and liquid density both at room temperature. Performance of model has been assessed against 2207 experimental data points over a wide temperature range within 293-472 K and pressure range from ambient up to 200 MPa for 17 imidazolium-based ILs. The average absolute deviation (AAD in %) of the calculated densities from literature values was found to be 0.79%. Generally, this work shows that TM EOS based on the surface tension property of ILs outperforms the previous version of TM EOS which uses normal boiling point properties, i.e. the heat of vaporization and liquid density. Improved TM EOS has also been extended to binary systems formed by ionic liquids to predict their volumetric properties. The performance of the mixture version of improved TM EOS has been assessed against 385 experimental data points, and AAD was found to be 0.78%.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Molecular Liquids - Volume 191, March 2014, Pages 166-171
نویسندگان
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