Please use this identifier to cite or link to this item: https://doi.org/10.1021/ie202116h
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dc.titlePVDF/nanosilica dual-layer hollow fibers with enhanced selectivity and flux as novel membranes for ethanol recovery
dc.contributor.authorSukitpaneenit, P.
dc.contributor.authorChung, T.-S.
dc.date.accessioned2014-10-09T07:08:10Z
dc.date.available2014-10-09T07:08:10Z
dc.date.issued2012-01-18
dc.identifier.citationSukitpaneenit, P., Chung, T.-S. (2012-01-18). PVDF/nanosilica dual-layer hollow fibers with enhanced selectivity and flux as novel membranes for ethanol recovery. Industrial and Engineering Chemistry Research 51 (2) : 978-993. ScholarBank@NUS Repository. https://doi.org/10.1021/ie202116h
dc.identifier.issn08885885
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/90699
dc.description.abstractIn this work, we have demonstrated the design and engineering of poly(vinylidene fluoride) (PVDF)/nanosilica duallayer hollow fibers as novel pervaporation membranes for ethanol recovery. The newly developed dual-layer hollow fiber membrane can exhibit a high separation factor of up to 29 with a sustainable high flux of 1.1 kg m -2 h -1, which is equivalent to the separation performance regime of inorganic membranes. Central to this performance achievement is the synergy of (1) desirable membrane morphology, nanopore size, and high surface porosity of a thin-PVDF/nanosilica composite on a fully porous substrate accomplished by the dual-layer coextrusion technology, and (2) optimal operating downstream pressure with the aid of controlled pervaporation transport. The membrane selectivity-downstream pressure dependence of PVDF/nanosilica hybrid membranes is comprehensible via a modified pore-flow model. This study may represent a new class of membranes for ethanol-water separation. © 2011 American Chemical Society.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1021/ie202116h
dc.sourceScopus
dc.typeConference Paper
dc.contributor.departmentCHEMICAL & BIOMOLECULAR ENGINEERING
dc.description.doi10.1021/ie202116h
dc.description.sourcetitleIndustrial and Engineering Chemistry Research
dc.description.volume51
dc.description.issue2
dc.description.page978-993
dc.description.codenIECRE
dc.identifier.isiut000299588800043
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