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

被引：11

作者：

Sengur-Tasdemir, Reyhan ^{[1
,2
]}

Urper, Gulsum Melike ^{[2
]}

Turken, Turker ^{[2
,3
]}

Genceli, Esra A. ^{[3
]}

Tarabara, Volodymyr V. ^{[4
]}

Koyuncu, Ismail ^{[2
,3
]}

机构：

[1] Istanbul Tech Univ, Dept Nanosci & Nanoengn, Istanbul, Turkey

[2] Istanbul Tech Univ, Natl Res Ctr Membrane Technol, Istanbul, Turkey

[3] Istanbul Tech Univ, Dept Environm Engn, TR-34469 Istanbul, Turkey

[4] Michigan State Univ, Dept Civil & Environm Engn, E Lansing, MI 48824 USA

来源：

SEPARATION SCIENCE AND TECHNOLOGY | 2016年 / 51卷 / 12期

基金：

美国国家科学基金会;

关键词：

Air gap; coagulation bath temperature; hollow fiber; porogen; ultrafiltration; AIR-GAP DISTANCE; SEPARATION PERFORMANCE; COAGULATION BATH; PHASE INVERSION; MECHANICAL-PROPERTIES; UF MEMBRANES; MORPHOLOGY; DOPE; SPINNERET; EVOLUTION;

D O I：

10.1080/01496395.2016.1198811

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

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 (Tc = 25 degrees C; 35 degrees C; 45 degrees 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.

引用

页码：2070 / 2079

页数：10

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