Effect of polyethersulfone concentration on flat and hollow fiber membrane performance
- Univ. of Ottawa, Ontario (Canada)
- National Univ. of Singapore (Singapore)
Flat and hollow fiber (HF) membranes are made in order to determine the effect of the polyethersulfone (PES) concentration in the precursor film-casting solution on the resultant flat and hollow fiber membrane performance. The additive polyvinylpyrrolidone (PVP) is included in the film-casting solution to ensure that membranes can be made over wide variations in the PES polymer concentration. In general, membrane permeability decreases and solute separation ability increases as the PES concentration increases. However, for both flat and HF membranes, performance is strongly dependent on whether the PES concentration is above or below the critical value. Flux greatly decreases and solute-separation ability increases when the critical PES concentration is at the critical value. 20 refs., 1 fig., 4 tabs.
- OSTI ID:
- 5149864
- Journal Information:
- Separation Science and Technology; (United States), Vol. 28:15-16; ISSN 0149-6395
- Country of Publication:
- United States
- Language:
- English
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37 INORGANIC
ORGANIC
PHYSICAL AND ANALYTICAL CHEMISTRY
MEMBRANES
FABRICATION
MICROSTRUCTURE
PERMEABILITY
SOLUTIONS
VISCOSITY
EXPERIMENTAL DATA
GEL PERMEATION CHROMATOGRAPHY
ORGANIC POLYMERS
CHROMATOGRAPHY
DATA
DISPERSIONS
INFORMATION
MIXTURES
NUMERICAL DATA
ORGANIC COMPOUNDS
POLYMERS
SEPARATION PROCESSES
360601* - Other Materials- Preparation & Manufacture
400105 - Separation Procedures
360602 - Other Materials- Structure & Phase Studies
360606 - Other Materials- Physical Properties- (1992-)