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Issue 102, 2016, Issue in Progress
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Preparation of polysulfone-based PANI–TiO2 nanocomposite hollow fiber membranes for industrial dye rejection applications

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Abstract

Polysulfone-based polyaniline–TiO2 containing hollow fiber membranes were prepared via a dry wet spinning method. Polyaniline (PANI) coated TiO2 nanotubes were prepared via chemical oxidative polymerisation and were incorporated into the hollow fiber membranes at different compositions. The hollow fibers were fabricated by varying the air gap distance during the spinning process. The effects of the addition of PANI coated TiO2 and the variation in the air gap distance on membrane performance, such as morphology and the permeability of the membranes, were analysed. The addition of the PANI–TiO2 nanocomposite enhanced the hydrophilicity and antifouling ability of the prepared membranes. The polysulfone hollow fiber membranes were examined for their dye rejection of Reactive Black 5 and Reactive Orange 16. The results indicated that the polysulfone hollow fibers containing 1.0 wt% of PANI–TiO2 fabricated using a 5 cm air gap can be used as a potential candidate for industrial dye rejection and showed a maximum rejection of 81.5% and 96.5% for Reactive Black 5 and Reactive Orange 16, respectively.

Graphical abstract: Preparation of polysulfone-based PANI–TiO2 nanocomposite hollow fiber membranes for industrial dye rejection applications

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Publication details

The article was received on 22 Jul 2016, accepted on 28 Sep 2016 and first published on 28 Sep 2016


Article type: Communication
DOI: 10.1039/C6RA18682C
Citation: RSC Adv., 2016,6, 99764-99773
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    Preparation of polysulfone-based PANI–TiO2 nanocomposite hollow fiber membranes for industrial dye rejection applications

    V. R. Pereira, A. M. Isloor, A. K. Zulhairun, M. N. Subramaniam, W. J. Lau and A. F. Ismail, RSC Adv., 2016, 6, 99764
    DOI: 10.1039/C6RA18682C

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