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dc.contributor.authorLi, Y.
dc.contributor.authorJin, C.
dc.contributor.authorPeng, Y.
dc.contributor.authorAn, Q.
dc.contributor.authorChen, Z.
dc.contributor.authorZhang, J.
dc.contributor.authorGe, L.
dc.contributor.authorWang, Shaobin
dc.identifier.citationLi, Y. and Jin, C. and Peng, Y. and An, Q. and Chen, Z. and Zhang, J. and Ge, L. et al. 2019. Fabrication of PVDF hollow fiber membranes via integrated phase separation for membrane distillation. Journal of the Taiwan Institute of Chemical Engineers. 95: pp. 487-494.

© 2018 Taiwan Institute of Chemical Engineers In this study, polyvinylidene fluoride (PVDF) hollow fibers with interpenetrating network morphologies were fabricated via complex thermally induced phase separation (c-TIPS) by integration of non-solvent induced phase separation (NIPS) and thermally induced phase separation (TIPS) at 80 °C and then tested in membrane distillation (MD). The effects of solvents, additive and bore fluid on the membrane morphology, pore structure and MD performance were investigated. Direct-contact membrane distillation (DCMD) for desalination was carried out to evaluate membrane permeability and salt rejection. Using a weak solvent like triethylphosphate (TEP) and weak bore fluid like polyethylene glycol (PEG-200) in the c-TIPS favors the formation of an interpenetrating network morphology. In addition, PEG-200 increased the roughness and water contact angle of the inner skin. The hollow fibers fabricated via the c-TIPS at low temperature presented high permeability, mechanical strength and long-term stability. In desalination of formulated seawater, a distillate flux of 61.6 kg/m2h with NaCl rejection of 99.99% was achieved at feed temperature of 71 °C.

dc.titleFabrication of PVDF hollow fiber membranes via integrated phase separation for membrane distillation
dc.typeJournal Article
dcterms.source.titleJournal of the Taiwan Institute of Chemical Engineers
curtin.departmentWASM: Minerals, Energy and Chemical Engineering (WASM-MECE)
curtin.accessStatusFulltext not available

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