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Surface Oxidation of Ethylenechlorotrifluoroethylene (ECTFE) Membrane for the Treatment of Real Produced Water by Membrane Distillation

Author

Listed:
  • Zahra Anari

    (Ralph E. Martin Department of Chemical Engineering, University of Arkansas, Fayetteville, AR 72701, USA)

  • Arijit Sengupta

    (Ralph E. Martin Department of Chemical Engineering, University of Arkansas, Fayetteville, AR 72701, USA)

  • Sumith Ranil Wickramasinghe

    (Ralph E. Martin Department of Chemical Engineering, University of Arkansas, Fayetteville, AR 72701, USA)

Abstract

Modification of ethyleneechlorotrifluoroethylene (ECTFE) membranes by simple surface oxidation was reported in the present investigation in order to induce thin hydrophilic layer on hydrophobic membrane surface for the treatment of real produced water (PW). FTIR spectra indicates the appearance of hydrophilic functional groups (–OH and –COOH) on the membrane surface due to modification, while water contact angle, zeta potential measurement, EDX, XPS analysis confirmed the presence of O functionalized hydrophilic groups on the surface. The effect of modification temperature and the time of surface oxidation on the performance of the resulting membranes were studied systematically, which revealed that induction of optimized hydrophilicity can successfully reduce the organic fouling. However, too much hydrophilic surface induces polar/electrostatic interaction resulting salt deposition on membrane surface. A simple on site cleaning procedure was demonstrated to be successful for the treatment PW for at least three consecutive cycles of membrane distillation (MD).

Suggested Citation

  • Zahra Anari & Arijit Sengupta & Sumith Ranil Wickramasinghe, 2018. "Surface Oxidation of Ethylenechlorotrifluoroethylene (ECTFE) Membrane for the Treatment of Real Produced Water by Membrane Distillation," IJERPH, MDPI, vol. 15(8), pages 1-14, July.
    • Handle: RePEc:gam:jijerp:v:15:y:2018:i:8:p:1561-:d:159586
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    Citations

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    Cited by:

    1. Kai Li & Shu Li & Tinglin Huang & Chongzhe Dong & Jiawei Li & Bo Zhao & Shujia Zhang, 2019. "Chemical Cleaning of Ultrafiltration Membrane Fouled by Humic Substances: Comparison between Hydrogen Peroxide and Sodium Hypochlorite," IJERPH, MDPI, vol. 16(14), pages 1-11, July.
    2. Tejas Tripathi & Mohanad Kamaz & S. Ranil Wickramasinghe & Arijit Sengupta, 2019. "Designing Electric Field Responsive Ultrafiltration Membranes by Controlled Grafting of Poly (Ionic Liquid) Brush," IJERPH, MDPI, vol. 17(1), pages 1-14, December.

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