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
Ultrasound Assisted Pervaporation Separation of Pyridine/Water Mixtures Using Poly(vinyl alcohol)/Polyacrylonitrile Blend Membranes
✍ Scribed by J. Lv; G. Xiao
- Publisher
- John Wiley and Sons
- Year
- 2010
- Tongue
- English
- Weight
- 361 KB
- Volume
- 33
- Category
- Article
- ISSN
- 0930-7516
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## 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.
## 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