Effect of polyethersulfone concentration on flat and hollow fiber membrane performance

Journal Article · Sun Oct 31 23:00:00 EST 1993 · Separation Science and Technology; (United States)

DOI:https://doi.org/10.1080/01496399308019740· OSTI ID:5149864

Wood, H; Wang, J ^[1]; Sourirajan, S ^[2]

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1. Univ. of Ottawa, Ontario (Canada)
2. 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), Journal Name: Separation Science and Technology; (United States) Vol. 28:15-16; ISSN 0149-6395; ISSN SSTEDS
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
360601* -- Other Materials-- Preparation & Manufacture
360602 -- Other Materials-- Structure & Phase Studies
360606 -- Other Materials-- Physical Properties-- (1992-)
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400105 -- Separation Procedures
CHROMATOGRAPHY
DATA
DISPERSIONS
EXPERIMENTAL DATA
FABRICATION
GEL PERMEATION CHROMATOGRAPHY
INFORMATION
MEMBRANES
MICROSTRUCTURE
MIXTURES
NUMERICAL DATA
ORGANIC COMPOUNDS
ORGANIC POLYMERS
PERMEABILITY
POLYMERS
SEPARATION PROCESSES
SOLUTIONS
VISCOSITY