Please use this identifier to cite or link to this item: https://doi.org/10.1111/jace.16987
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dc.titleHighly permeable Al2O3 microfiltration membranes with holey interior structure achieved through sacrificial C particles
dc.contributor.authorZhang Z.
dc.contributor.authorNg T.C.A.
dc.contributor.authorGu Q.
dc.contributor.authorZhang L.
dc.contributor.authorHe Z.
dc.contributor.authorLyu Z.
dc.contributor.authorZhang X.
dc.contributor.authorWang W.
dc.contributor.authorNg H.Y.
dc.contributor.authorWang J.
dc.date.accessioned2020-11-18T03:53:44Z
dc.date.available2020-11-18T03:53:44Z
dc.date.issued2019-12-31
dc.identifier.citationZhang Z., Ng T.C.A., Gu Q., Zhang L., He Z., Lyu Z., Zhang X., Wang W., Ng H.Y., Wang J. (2019-12-31). Highly permeable Al2O3 microfiltration membranes with holey interior structure achieved through sacrificial C particles. Journal of the American Ceramic Society 103 (5) : 3361-3372. ScholarBank@NUS Repository. https://doi.org/10.1111/jace.16987
dc.identifier.issn00027820
dc.identifier.urihttps://scholarbank.nus.edu.sg/handle/10635/183625
dc.description.abstractAlumina (Al2O3) microfiltration membranes with holey interior structure exhibit the combined desirable properties of both superior permeability and good retention performance. These membranes are purposely made to consist of a holey intermediate layer with a thickness in the range 12.9-15.5 μm and a top filtration layer of very thin thickness in the range 1.8-2.8 μm, fabricated by cosintering with sacrificial carbon (C) particles. The holey structure in the intermediate layer, which can be well controlled by regulating the amount of C particles added to Al2O3 particles, contains plenty of holes of 1-5 μm in size, thereby possessing much reduced water flow resistance. The thin top filtration layer, which contains uniformly distributed nanopores of 90-100 nm in size, functions as the selective layer, thereby ensuring a good retention performance. At the C particle content of 30 wt. %, the Al2O3 membrane with holey interior structure demonstrates a super-high pure water flux (3358 Lm-2h-1), which is almost twice that of the membrane without holey interior structure (1697 Lm-2h-1), while the mechanical strength and retention performance are well maintained. © 2020 The American Ceramic Society
dc.publisherBlackwell Publishing Inc.
dc.sourceScopus
dc.typeArticle
dc.contributor.departmentDEPT OF CIVIL & ENVIRONMENTAL ENGG
dc.contributor.departmentDEPT OF MATERIALS SCIENCE & ENGINEERING
dc.description.doi10.1111/jace.16987
dc.description.sourcetitleJournal of the American Ceramic Society
dc.description.volume103
dc.description.issue5
dc.description.page3361-3372
dc.published.statePublished
dc.grant.idNRF-CRP17-2017-01
dc.grant.id2019-KF-15
dc.grant.id61701164
dc.grant.id51702080
dc.grant.idBJ2018039
dc.grant.idBJ2019054
dc.grant.fundingagencyNational Research Foundation Singapore, NRF
dc.grant.fundingagencyWuhan University of Technology, WUT
dc.grant.fundingagencyState Key Laboratory of Advanced Technology for Materials Synthesis and Processing
dc.grant.fundingagencyNational University of Singapore, NUS
dc.grant.fundingagencyExcellent Young Talents Fund Program of Higher Education Institutions of Anhui Province
dc.grant.fundingagencyNational Natural Science Foundation of China, NSFC
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