2017
DOI: 10.1016/j.memsci.2016.11.042
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Hydrophilization of polysulfone hollow fiber membranes via addition of polyvinylpyrrolidone to the bore fluid

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Cited by 54 publications
(40 citation statements)
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“…The membrane material largely influences the initial rates of deposition of foulants due to the tendency of some materials to adsorb certain solutes or particulates more readily, as quantifiable by the Gibbs free energy of foulant-membrane interaction [154][155][156][157]. When the adsorption becomes such that the effective pore size of the membrane is reduced, the flux is adversely affected [158][159][160].…”
Section: Membrane Materials and Surface Morphologymentioning
confidence: 99%
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“…The membrane material largely influences the initial rates of deposition of foulants due to the tendency of some materials to adsorb certain solutes or particulates more readily, as quantifiable by the Gibbs free energy of foulant-membrane interaction [154][155][156][157]. When the adsorption becomes such that the effective pore size of the membrane is reduced, the flux is adversely affected [158][159][160].…”
Section: Membrane Materials and Surface Morphologymentioning
confidence: 99%
“…It is well-known that the severity of fouling increases as the hydrophobicity of the membrane increases, because organic molecules have a higher affinity for hydrophobic materials [47,159,[161][162][163][164][165]. Most commercial MF and UF membranes are made from relatively hydrophobic polymers (e.g., polysulfone, polyethersulfone, polypropylene, polyethylene, and polyvinylidene-fluoride (PVDF)), due to their excellent chemical resistance, and thermal and mechanical properties [83,[166][167][168][169][170].…”
Section: Membrane Materials and Surface Morphologymentioning
confidence: 99%
“…The spinneret having ring sectional area 1.77 mm 2 was used. Scheme of the setup used for the fabrication of hollow fiber membranes was similar to that used in [12] and is shown at Figure 1. °C temperature and mixing rate 150 rpm; after that, NMP solvent was added into the solution and stirring continued under 120 °C and 500 rpm for 4-5 h. After preparation, spinning solution was cooled to 23 ± 0.1 °C and its dynamic viscosity was measured using Brookfield viscometer DV2T-RV and RV-07 spindle (Brookfield AMETEK, Middleboro, MA, USA) (rotation speed 100 rpm).…”
Section: Fabrication Of Porous Hollow Fiber Membranesmentioning
confidence: 99%
“…The spinneret having ring sectional area 1.77 mm 2 was used. Scheme of the setup used for the fabrication of hollow fiber membranes was similar to that used in [12] and is shown at Figure 1. Hollow fibers prepared upon contact with an aqueous medium (internal non-solvent and coagulating bath) were subsequently treated and dried in order to remove residual water from pore volume.…”
Section: Fabrication Of Porous Hollow Fiber Membranesmentioning
confidence: 99%
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