Combined effects of hollow fiber fabrication conditions and casting mixture composition on the properties of polysulfone ultrafiltration membranes

Reyhan Sengur-Tasdemir; Gulsum Melike Urper; Turker Turken; Esra A. Genceli; Volodymyr V. Tarabara; Ismail Koyuncu

doi:10.1080/01496395.2016.1198811

Combined effects of hollow fiber fabrication conditions and casting mixture composition on the properties of polysulfone ultrafiltration membranes

Reyhan Sengur-Tasdemir, Gulsum Melike Urper, Turker Turken, Esra A. Genceli, Volodymyr V. Tarabara, Ismail Koyuncu^*

^*Corresponding author for this work

Department of Environmental Engineering

Research output: Contribution to journal › Article › peer-review

11 Citations (Scopus)

Abstract

This study is focused on identifying the combined effects of fabrication conditions and casting mixture composition on the properties of hollow fiber (HF) membranes. Three variables evaluated are air gap ( d_gap = 0 and 2.5 cm); coagulation bath temperature ( T_c 25°C; 35°C; 45°C) and molecular weight of polyvinylpyrrolidone (MW_PVP = 10; 40; 65; 360; 1000 kDa). Prepared HF membranes were characterized in terms of specific permeate flux; surface morphology, charge and hydrophilicity; bovine serum albumin (BSA) rejection, Young modulus, and resistance to fouling by BSA. We illustrate that both higher T_c and higher MW_PVP are required to achieve optimal membrane morphology and performance.

Original language	English
Pages (from-to)	2070-2079
Number of pages	10
Journal	Separation Science and Technology
Volume	51
Issue number	12
DOIs	https://doi.org/10.1080/01496395.2016.1198811
Publication status	Published - 12 Aug 2016

Bibliographical note

Publisher Copyright:
© 2016 Taylor & Francis.

Funding

Funders	Funder number
National Science Foundation	1243433

Keywords

Air gap
coagulation bath temperature
hollow fiber
porogen
ultrafiltration

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10.1080/01496395.2016.1198811

Cite this

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title = "Combined effects of hollow fiber fabrication conditions and casting mixture composition on the properties of polysulfone ultrafiltration membranes",

abstract = "This study is focused on identifying the combined effects of fabrication conditions and casting mixture composition on the properties of hollow fiber (HF) membranes. Three variables evaluated are air gap ( dgap = 0 and 2.5 cm); coagulation bath temperature ( Tc 25°C; 35°C; 45°C) and molecular weight of polyvinylpyrrolidone (MWPVP = 10; 40; 65; 360; 1000 kDa). Prepared HF membranes were characterized in terms of specific permeate flux; surface morphology, charge and hydrophilicity; bovine serum albumin (BSA) rejection, Young modulus, and resistance to fouling by BSA. We illustrate that both higher Tc and higher MWPVP are required to achieve optimal membrane morphology and performance.",

keywords = "Air gap, coagulation bath temperature, hollow fiber, porogen, ultrafiltration",

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AU - Sengur-Tasdemir, Reyhan

AU - Urper, Gulsum Melike

AU - Turken, Turker

AU - Genceli, Esra A.

AU - Tarabara, Volodymyr V.

AU - Koyuncu, Ismail

PY - 2016/8/12

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N2 - This study is focused on identifying the combined effects of fabrication conditions and casting mixture composition on the properties of hollow fiber (HF) membranes. Three variables evaluated are air gap ( dgap = 0 and 2.5 cm); coagulation bath temperature ( Tc 25°C; 35°C; 45°C) and molecular weight of polyvinylpyrrolidone (MWPVP = 10; 40; 65; 360; 1000 kDa). Prepared HF membranes were characterized in terms of specific permeate flux; surface morphology, charge and hydrophilicity; bovine serum albumin (BSA) rejection, Young modulus, and resistance to fouling by BSA. We illustrate that both higher Tc and higher MWPVP are required to achieve optimal membrane morphology and performance.

AB - This study is focused on identifying the combined effects of fabrication conditions and casting mixture composition on the properties of hollow fiber (HF) membranes. Three variables evaluated are air gap ( dgap = 0 and 2.5 cm); coagulation bath temperature ( Tc 25°C; 35°C; 45°C) and molecular weight of polyvinylpyrrolidone (MWPVP = 10; 40; 65; 360; 1000 kDa). Prepared HF membranes were characterized in terms of specific permeate flux; surface morphology, charge and hydrophilicity; bovine serum albumin (BSA) rejection, Young modulus, and resistance to fouling by BSA. We illustrate that both higher Tc and higher MWPVP are required to achieve optimal membrane morphology and performance.

KW - Air gap

KW - coagulation bath temperature

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KW - porogen

KW - ultrafiltration

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Combined effects of hollow fiber fabrication conditions and casting mixture composition on the properties of polysulfone ultrafiltration membranes

Abstract

Bibliographical note

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Keywords

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