Polyazole hollow fiber membranes for direct contact membrane distillation

Husnul Maab, Ahmad Al Saadi, Lijo Francis, Sara Livazovic, Noreddine Ghaffour, Gary L. Amy, Suzana P. Nunes

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Abstract

Porous hollow fiber membranes were fabricated from fluorinated polyoxadiazole and polytriazole by a dry-wet spinning method for application in desalination of Red Sea water by direct contact membrane distillation (DCMD). The data were compared with commercially available hollow fiber MD membranes prepared from poly(vinylidene fluoride). The membranes were characterized by electron microscopy, liquid entry pressure (LEP), and pore diameter measurements. Finally, the hollow fiber membranes were tested for DCMD. Salt selectivity as high as 99.95% and water fluxes as high as 35 and 41 L m -2 h-1 were demonstrated, respectively, for polyoxadiazole and polytriazole hollow fiber membranes, operating at 80 C feed temperature and 20 C permeate.

Original languageEnglish
Pages (from-to)10425-10429
Number of pages5
JournalIndustrial and Engineering Chemistry Research
Volume52
Issue number31
DOIs
Publication statusPublished - 7 Aug 2013

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ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)
  • Industrial and Manufacturing Engineering

Cite this

Maab, H., Al Saadi, A., Francis, L., Livazovic, S., Ghaffour, N., Amy, G. L., & Nunes, S. P. (2013). Polyazole hollow fiber membranes for direct contact membrane distillation. Industrial and Engineering Chemistry Research, 52(31), 10425-10429. https://doi.org/10.1021/ie400043q