Antifouling behavior and separation performance of immobilized TiO2 in dual layer hollow fiber membranes

Dzinun, Hazlini and Othman, Mohd Hafiz Dzarfan and Ismail, Ahmad F. and Puteh, Mohd Hafiz and A. Rahman, Mukhlis and Jaafar, Juhana and Adrus, Nadia and Hashim, Nur Awanis (2017) Antifouling behavior and separation performance of immobilized TiO2 in dual layer hollow fiber membranes. Polymer Engineering and Science, 58 (9). pp. 1636-1643. ISSN 0032-3888, DOI

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A set of titanium dioxide/polyvinylidene fluoride (TiO 2 /PVDF) dual layer hollow fiber (DLHF) membranes with various weight ratios (i.e., 0, 0.2. 0.5, 0.7, and 1) were prepared. This work investigated the effect of TiO 2 loading and ultraviolet (UV) irradiation intensity toward the separation performance using nonylphenol (NP) solution as the model sample. The study showed that TiO 2 nanoparticles were well distributed at the outer layer of DLHF membranes at lower concentration, but the particles were aggregated at higher concentration. The membrane with 0.2 TiO 2 /PVDF ratios showed uniform dispersion of TiO 2 and consequently recorded excellent NP solution flux. In the presence of UV light, the activation of super hydrophilicity properties of TiO 2 nanoparticles was improved and it was highly activated at higher energy, which results in the significant increase of NP solution flux. The results provide vital insights into the development of immobilized TiO 2 in DLHF membranes and applications in water treatment. POLYM. ENG. SCI., 58:1636–1643, 2018. © 2017 Society of Plastics Engineers.

Item Type: Article
Uncontrolled Keywords: Dual-layer hollow fiber membrane; Dual-layer hollow fibers; Nonylphenol solutions; Separation performance; Super hydrophilicity; TiO2 nano-particles; Ultraviolet irradiations; Uniform dispersions
Subjects: T Technology > TP Chemical technology
Divisions: Faculty of Engineering
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 30 Aug 2019 02:02
Last Modified: 30 Aug 2019 02:02

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