Halloysite nanotube blended nanocomposite ultrafiltration membranes for reactive dye removal

Keskin, Başak and Ağtaş, Meltem and Ormancı-Acar, Türkan and Türken, Türker and Imer, Derya Y. and Ünal, Serkan and Menceloğlu, Yusuf Z. and Uçar-Demir, Tuğba and Koyuncu, İsmail (2021) Halloysite nanotube blended nanocomposite ultrafiltration membranes for reactive dye removal. Water Science and Technology, 83 (2). pp. 271-283. ISSN 0273-1223 (Print) 1996-9732 (Online)

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In this paper, ultrafiltration (UF) flat sheet membranes were manufactured by introducing two diverse halloysite nanotubes (HNT) size (5 μm and 63 μm) and five different (0, 0.63, 1.88, 3.13, 6.30 wt %) ratios by wet phase inversion. Some characterization methods which are contact angle, zeta potential, viscosity, scanning electron microscopy (SEM) and Young's modulus measurements were used for ultrafiltration membranes. Synthetic dye waters which were Setazol Red and Reactive Orange were used for filtration performance tests. These dye solutions were filtered in three different pH conditions and three different temperature conditions for pH and temperature resistance to understand how flux and removal efficiency change. The best water permeability results were obtained as 190.5 LMH and 192 LMH, for halloysite nanotubes (HNT) sizes of 5 μm and 63 μm respectively. The best water and dye performance of UF membrane contains 1.88% w/w ratio of HNT, which showed increased water flux and dye flux of membranes according to different HNT concentrations including ultrafiltration membranes.
Item Type: Article
Uncontrolled Keywords: Dye rejection; Flat-sheet membrane; Halloysite nanotubes; Ultrafiltration membrane
Divisions: Sabancı University Nanotechnology Research and Application Center
Depositing User: Serkan Ünal
Date Deposited: 18 Aug 2022 20:39
Last Modified: 18 Aug 2022 20:39
URI: https://research.sabanciuniv.edu/id/eprint/43291

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