Combined effects of hollow fiber fabrication conditions and casting mixture composition on the properties of polysulfone ultrafiltration membranes. Issue 12 (12th August 2016)

• Record Type: Journal Article
• Authors: Sengur-Tasdemir, Reyhan; Urper, Gulsum Melike; Turken, Turker; Genceli, Esra A.; Tarabara, Volodymyr V.; Koyuncu, Ismail
• Is Part Of: Separation science and technology. Volume 51:Issue 12(2016)
• Page Start: 2070
• Page End: 2079
• Publication Date: 2016-08-12
• Subjects: Air gap -- coagulation bath temperature -- hollow fiber -- porogen -- ultrafiltration; Separation (Technology) -- Periodicals; 660.284205
• DOI: 10.1080/01496395.2016.1198811
• Languages: English
• ISSNs: 0149-6395

Abstract

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 ( 0 and 2.5 cm); coagulation bath temperature ( 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 and higher MWPVP are required to achieve optimal membrane morphology and performance.