Pervaporation Separation of Benzene/Cyclohexane Mixtures by Poly(vinyl chloride) Membranes
โ Scribed by A. E. Yildirim; N. D. Hilmioglu; S. Tulbentci
- Publisher
- John Wiley and Sons
- Year
- 2001
- Tongue
- English
- Weight
- 151 KB
- Volume
- 24
- Category
- Article
- ISSN
- 0930-7516
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Membranes prepared from carboxylated polysulfone permeated benzene preferentially from benzene-cyclohexane mixtures by pervaporation. Hydrophilic polysulfones containing carboxyl groups with degrees of substitution (DS) ranging from 0.46 to 1.90 groups per repeating unit were selected for this study
Poly(vinyl alcohol) (PVA) membranes (both homogeneous and asymmetric) were studied for the pervaporation separation of benzene/ n-hexane and benzene/ cyclohexane mixtures. The asymmetric PVA membrane with skin and porous layers was prepared through the phase inversion technique. Both asymmetric and
Perยฎaporation and sorption for the liquid mixture of benzene and cyclohexane by [ ( ) ] ( ) using poly bis phenoxy phosphazene PPOP membranes were characterized. Diffusiยฎities, solubilities, interaction parameters, plasticization coefficients, and heats of sorption for benzene and cyclohexane in the