کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
10390034 | 884444 | 2005 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Separation cyclohexene/cyclohexane mixtures with facilitated transport membrane of poly(vinyl alcohol)-Co2+
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی شیمی
تصفیه و جداسازی
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
Facilitated transport membranes based on the solid polymer electrolytes of poly(vinyl alcohol)-Co2+ (PVA-Co2+) blends were prepared. The membrane morphology was analyzed with X-ray scattering and DSC. The sorption behavior of cyclohexene, cyclohexane in the membranes were measured and the separation performance of the membrane were investigated for cyclohexene/cyclohexane mixtures. The result showed that Co2+ salts were highly soluble in PVA and disrupted the crystallinity of PVA. Compared with pure PVA, the cyclohexene saturated sorption capacity in the solid polymer electrolytes was improved a lot and reached 60 mg (cyclohexene)/g (dry membrane), while the cyclohexane saturated sorption capacity in the solid polymer electrolytes had little differences and was only 15 mg (cyclohexane)/g (dry membrane). Permeability flux of the membrane was 150 g/(m2 h) and a cyclohexene/cyclohexane separation factor was 60 when at 40 °C and the optimal carrier content of the membrane ([Co2+]/[OH]) was 0.75 (mol/mol) and cyclohexene mass fraction in the feed was 0.5.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Separation and Purification Technology - Volume 45, Issue 2, October 2005, Pages 103-108
Journal: Separation and Purification Technology - Volume 45, Issue 2, October 2005, Pages 103-108
نویسندگان
J.N. Shen, L.G. Wu, H.L. Chen, C.J. Gao,