Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/104281
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dc.contributor.authorJin, Meng-Yien
dc.contributor.authorLin, Yuqingen
dc.contributor.authorLiao, Yuanen
dc.contributor.authorTan, Choon-Hongen
dc.contributor.authorWang, Rongen
dc.date.accessioned2019-10-22T07:30:59Zen
dc.date.accessioned2019-12-06T21:29:44Z-
dc.date.available2019-10-22T07:30:59Zen
dc.date.available2019-12-06T21:29:44Z-
dc.date.issued2018en
dc.identifier.citationJin, M.-Y., Lin, Y., Liao, Y., Tan, C.-H., & Wang, R. (2018). Development of highly-efficient ZIF-8@PDMS/PVDF nanofibrous composite membrane for phenol removal in aqueous-aqueous membrane extractive process. Journal of Membrane Science, 568, 121-133. doi:10.1016/j.memsci.2018.09.057en
dc.identifier.issn0376-7388en
dc.identifier.urihttps://hdl.handle.net/10356/104281-
dc.description.abstractA highly-efficient zeolitic imidazolate framework-8 (ZIF-8) embedded polydimethylsiloxane (PDMS) mixed matrix membrane (MMM) supported by a polyvinylidene fluoride (PVDF) nanofibrous substrate was developed for phenol removal in an aqueous-aqueous membrane extractive process. Homogeneous nano-scaled dispersion of ZIF-8 in the PDMS matrix was achieved by direct incorporation without intermediate drying process, where the interaction of the randomly-moved nanofillers could be prevented, leading to evenly dispersed ZIF-8 nanofillers and defect-free ZIF-8@PDMS/PVDF nanofibrous composite membranes. The newly-developed ZIF-8@PDMS/PVDF membrane exhibited an exceptionally high overall mass-transfer coefficient, k0 of 35.7 ± 1.1 × 10−7 m/s, doubling that of the pristine membrane in the membrane extractive process. The high performance was maintained for over 360 h without loss of salt rejection. These results could be attributed to the organophilic-assisted “bi-mode” transporting mechanism of ZIF-8 nanofillers in PDMS matrix, namely: (1) the solution-diffusion transport mode; (2) the pore-flow transport mode, where the synergistic effects are expected to significantly improve the phenol transfer efficiency through the membranes. Overall, the results achieved in this work demonstrate promising potential of highly-efficient ZIF-8@PDMS/PVDF nanofibrous composite membranes used for aqueous-aqueous membrane extractive processes for organic-containing wastewater treatments.en
dc.description.sponsorshipNRF (Natl Research Foundation, S’pore)en
dc.description.sponsorshipEDB (Economic Devt. Board, S’pore)en
dc.format.extent44 p.en
dc.language.isoenen
dc.relation.ispartofseriesJournal of Membrane Scienceen
dc.rights© 2018 Elsevier B.V. All rights reserved. This paper was published in Journal of Membrane Science and is made available with permission of Elsevier B.V.en
dc.subjectMixed-matrix Membraneen
dc.subjectZIF-8en
dc.subjectEngineering::Civil engineeringen
dc.titleDevelopment of highly-efficient ZIF-8@PDMS/PVDF nanofibrous composite membrane for phenol removal in aqueous-aqueous membrane extractive processen
dc.typeJournal Articleen
dc.contributor.schoolSchool of Chemical and Biomedical Engineeringen
dc.contributor.schoolSchool of Civil and Environmental Engineeringen
dc.contributor.schoolInterdisciplinary Graduate School (IGS)en
dc.contributor.researchNanyang Environment and Water Research Instituteen
dc.contributor.researchSingapore Membrane Technology Centreen
dc.identifier.doi10.1016/j.memsci.2018.09.057en
dc.description.versionAccepted versionen
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item.grantfulltextopen-
Appears in Collections:CEE Journal Articles
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