Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/150812
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dc.contributor.authorLin, Yuqingen_US
dc.contributor.authorChen, Yunfengen_US
dc.contributor.authorWang, Rongen_US
dc.date.accessioned2021-05-31T01:50:16Z-
dc.date.available2021-05-31T01:50:16Z-
dc.date.issued2019-
dc.identifier.citationLin, Y., Chen, Y. & Wang, R. (2019). Thin film nanocomposite hollow fiber membranes incorporated with surface functionalized HKUST-1 for highly-efficient reverses osmosis desalination process. Journal of Membrane Science, 589, 117249-. https://dx.doi.org/10.1016/j.memsci.2019.117249en_US
dc.identifier.issn0376-7388en_US
dc.identifier.urihttps://hdl.handle.net/10356/150812-
dc.description.abstractA new class of thin film nanocomposite (TFN) hollow fiber (HF) membrane of polydopamine (PDA) modified HKUST-1 (mHKUST-1) incorporated in polyamide (PA) matrix supported by polyethersulfone (PES) substrate was constructed via interfacial polymerization method for brackish water desalination in low-pressure reverse osmosis (RO) process. The PDA modification facilitated the HKUST-1 even dispersion, thus resulting in better compatibility between the inorganic nanofillers and the organic matrix. The impact of HKUST-1 loadings on the overall performances of the resultant HKUST-1@PA/PES membranes was investigated. Introducing the mHKUST-1 nanofillers not only enhanced surface hydrophilicity and negative surface charges for the selective layer, which improved membrane's fouling resistance to humic acid (HA), but also led to nearly doubled water permeance when comparing with the pristine PA membrane (increasing from 3.51 to 6.94 Lm−2h-1bar−1), without obvious salt rejection deterioration (~98.2% at 2 bar and 97.4% rejections at 4 bar for 500/2000 ppm NaCl solutions, respectively). The integrity of the HKUST-1@PA/PES membrane was examined and verified after 30-days operation. Overall, the results achieved in this work demonstrate promising potential of the metal organic framework (MOF)-based TFN membranes used for desalination in low-pressure RO process. To sum up, this work has exhibited a facile method to incorporate the metal organic framework (MOF) into the PA layer, and the resultant MOF-based TFN membrane indicates its great potential for desalination in low-pressure RO process.en_US
dc.description.sponsorshipEconomic Development Board (EDB)en_US
dc.description.sponsorshipNational Research Foundation (NRF)en_US
dc.language.isoenen_US
dc.relationIAF-PPen_US
dc.relation.ispartofJournal of Membrane Scienceen_US
dc.rights© 2019 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_US
dc.subjectEngineering::Environmental engineeringen_US
dc.titleThin film nanocomposite hollow fiber membranes incorporated with surface functionalized HKUST-1 for highly-efficient reverses osmosis desalination processen_US
dc.typeJournal Articleen
dc.contributor.schoolSchool of Civil and Environmental Engineeringen_US
dc.contributor.researchNanyang Environment and Water Research Instituteen_US
dc.contributor.researchSingapore Membrane Technology Centreen_US
dc.identifier.doi10.1016/j.memsci.2019.117249-
dc.description.versionAccepted versionen_US
dc.identifier.scopus2-s2.0-85068566453-
dc.identifier.volume589en_US
dc.identifier.spage117249en_US
dc.subject.keywordsThin Film Nanocomposite Membranesen_US
dc.subject.keywordsHollow Fibersen_US
dc.description.acknowledgementThe research grant is supported by the Singapore National Research Foundation, Industry Alignment Fund – Pre-positioning (IAF-PP). Funding support from the Singapore Economic Development Board to the Singapore Membrane Technology Centre is also gratefully acknowledged.en_US
item.grantfulltextembargo_20211108-
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