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
Separation of ethylene glycol–water mixtures with composite poly(vinyl alcohol)–polypropylene membranes
✍ Scribed by Mahnaz Shahverdi; Toraj Mohammadi; Afshin Pak
- Publisher
- John Wiley and Sons
- Year
- 2010
- Tongue
- English
- Weight
- 608 KB
- Volume
- 119
- Category
- Article
- ISSN
- 0021-8995
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Inorganic membranes and particularly zeolite membranes are usually used for the dehydration of organic solvents by pervaporation (PV). This work reports an experimental study on the PV dehydration of ethylene glycol (EG)/water mixtures using commercial nanoporous NaA zeolite membranes. The concentra
## 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.