کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
4907468 | 1426206 | 2017 | 20 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Excess molar enthalpies of ethane-1,2-diamine plus primary and secondary alkanols (C1-C4) and correlation with Redlich-Kister, Wilson, NRTL and UNIQUAC models at TÂ =Â 298Â K
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موضوعات مرتبط
مهندسی و علوم پایه
مهندسی شیمی
مهندسی شیمی (عمومی)
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Excess molar enthalpies of ethane-1,2-diamine plus primary and secondary alkanols (C1-C4) and correlation with Redlich-Kister, Wilson, NRTL and UNIQUAC models at TÂ =Â 298Â K Excess molar enthalpies of ethane-1,2-diamine plus primary and secondary alkanols (C1-C4) and correlation with Redlich-Kister, Wilson, NRTL and UNIQUAC models at TÂ =Â 298Â K](/preview/png/4907468.png)
چکیده انگلیسی
Excess molar enthalpies, HmE of binary mixtures of ethane-1,2-diamine (EDA) with methanol, ethanol, propan-1-ol, propan-2-ol, butan-1-ol and butan-2-ol were calculated from calorimetric data at T = 298 K and atmospheric pressure (81.5 kPa) with a Parr 1455 solution calorimeter. All the binary mixtures showed exothermic behavior over the entire range of compositions. From the experimental results, the excess partial molar enthalpies, HiE and excess partial molar enthalpies at infinite dilution, HiE,â were calculated. Excess molar enthalpies, HmE values increase as the chain length of the alkanol is increased, showing minimum values varying from â4395 (methanol) to â1987 J·mol-1 (butan-2-ol). The minimum HmE values were observed about 0.4 mol fraction of ethane-1,2-diamine (EDA). The experimental results were discussed in terms of intermolecular interactions, particularly hydrogen-bonding interactions between like and unlike molecules. Finally the experimental results were correlated by the Redlich-Kister equation and the three thermodynamic models (Wilson, NRTL, and UNIQUAC) based on the local composition theory.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: The Journal of Chemical Thermodynamics - Volume 107, April 2017, Pages 163-169
Journal: The Journal of Chemical Thermodynamics - Volume 107, April 2017, Pages 163-169
نویسندگان
Hosseinali Zarei, Foad Bohloor, Arezoo Omidi,