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Iranian Journal of Chemistry and Chemical Engineering، جلد ۳۹، شماره ۶، صفحات ۱۷۳-۱۸۳
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| عنوان فارسی |
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| چکیده فارسی مقاله |
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| کلیدواژه‌های فارسی مقاله |
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| عنوان انگلیسی |
Phase Diagrams for the Aqueous Solutions of Carboxylic Acid with Dipropyl Ether: Experimental and Correlated Data |
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| چکیده انگلیسی مقاله |
In this research, liquid-liquid equilibrium (LLE) data were experimentally obtained for the ternary systems of (water + carboxylic acid + dipropyl ether) at T = 298.2 K and P = 101.3 kPa. The carboxylic acids used in this study were isobutyric acid, valeric acid, and isovaleric acid. All these systems are according to Treybal classification, Type-2 systems because the two binary subsystems are partially miscible. The lowest distribution coefficients and separation factors were calculated for isobutyric acid (40 and 329, respectively). The authenticity of the experimental equilibrium data was identified from Hand and Othmer-Tobias correlations. The experimental tie-line data were correlated by using the nonrandom two-liquid (NRTL) and universal quasi-chemical (UNIQUAC) activity coefficient models. RMSD values are between 0.0112 and 0.0155 for NRTL model and are between 0.0083 and 0.0153 for UNIQUAC model. |
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| کلیدواژه‌های انگلیسی مقاله |
liquid-liquid equilibrium,Carboxylic acid,dipropyl ether,NRTL,UNIQUAC |
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| نویسندگان مقاله |
Dilek Özmen |
Istanbul University-Cerrahpaşa, Engineering Faculty, Department of Chemical Engineering, 34320,
Istanbul, TURKEY
Sezin Bekri |
Istanbul University-Cerrahpaşa, Engineering Faculty, Department of Chemical Engineering, 34320,
Istanbul, TURKEY
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| نشانی اینترنتی |
https://ijcce.ac.ir/article_36137_d28a60d3452f25aac6b0bb9bd9468e61.pdf |
| فایل مقاله |
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| زبان مقاله منتشر شده |
en |
| موضوعات مقاله منتشر شده |
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