کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
7044271 | 1456997 | 2014 | 5 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Entrainer selection for separating tetrahydrofuran/water azeotropic mixture by extractive distillation
ترجمه فارسی عنوان
انتخاب مناسب برای جداسازی مخلوط آسئوتروپیک تتراهیدروفوران / آب با تقطیر استخراج شده
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی شیمی
تصفیه و جداسازی
چکیده انگلیسی
The mixture of tetrahydrofuran (THF) and water is a minimum boiling azeotrope due to the strong hydrogen bond effect. Some entrainers with different molecular structures which can potentially disrupt hydrogen bonds have been used to improve the relative volatility of THF-water system. After cautiously screening, we find that dimethyl sulfoxide (DMSO) as a hydrogen bond breaker is more effective to break the azeotrope than 1, 2-propanediol proposed by Songlin Xu etc. To validate our viewpoint, the vapor-liquid equilibrium (VLE) data of the two ternary systems: THF (1)Â +Â water (2)Â +Â 1, 2-propanediol (3) and THF (1)Â +Â water (2)Â +Â DMSO (3) were measured at 101.32Â kPa. And these data are also valuable for the design of extractive distillation process. The nonrandom two-liquid (NRTL) model was applied to correlate the binary and ternary VLE data.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Separation and Purification Technology - Volume 122, 10 February 2014, Pages 73-77
Journal: Separation and Purification Technology - Volume 122, 10 February 2014, Pages 73-77
نویسندگان
Zhi-gang Zhang, Dong-hao Huang, Ming Lv, Peng Jia, De-zhang Sun, Wen-xiu Li,