Pervaporation separation of water–ethanol mixtures using metal-ion-exchanged poly(vinyl alcohol) (PVA)/sulfosuccinic acid (SSA) membranes
✍ Scribed by Ji-Won Rhim; Sun-Wha Lee; Youn-Kook Kim
- Publisher
- John Wiley and Sons
- Year
- 2002
- Tongue
- English
- Weight
- 174 KB
- Volume
- 85
- Category
- Article
- ISSN
- 0021-8995
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The pervaporation separation of water-isopropanol mixtures was carried out using carboxymethylated poly(vinyl alcohol) (CMPVA) composite membranes. Carboxymethylated PVA (CMPVA) was synthesized by reacting PVA with various concentrations of monochloroacetic acid. Substitution efficiency of the CMPVA
## Abstract A solution technique was employed to prepare ZSM‐5 zeolite incorporated poly(vinyl alcohol) (PVA) membranes for the pervaporation separation of water–isopropanol mixtures. The membranes were characterized by Fourier transform infrared spectroscopy and differential scanning calorimeter.
For the purposes of the water-selective membrane material development for pervaporation separation, we crosslinked poly(vinyl alcohol) (PVA) with sulfursuccinic acid (SSA), which contains {SO 3 OH, by heat treatment and investigated the effect of the crosslinking density on the separation of water-a
## Abstract Mixed matrix membranes of poly(vinyl alcohol) and poly(vinyl pyrrilidone) blends were prepared by loading with phosphomolybdic acid (PMA) and their pervaporation (PV) properties were investigated for the PV separation of isopropanol. Membrane performance shown a dependence on the extent