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Article: High performance flat sheet forward osmosis membrane with an NF-like selective layer on a woven fabric embedded substrate

TitleHigh performance flat sheet forward osmosis membrane with an NF-like selective layer on a woven fabric embedded substrate
Authors
KeywordsFlat-Sheet Membrane
Forward Osmosis
Membrane Fabrication
Poly(Amide-Imide)
Positively-Charged Nanofiltration
Issue Date2012
PublisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/desal
Citation
Desalination, 2012, v. 287, p. 266-270 How to Cite?
AbstractHigh performance flat sheet forward osmosis (FO) membranes have been successfully fabricated using Torlon® polyamide-imide (PAI) materials via phase inversion followed by polyelectrolyte polyethyleneimine (PEI) post-treatment to form a nanofiltration (NF)-like rejection layer with positive charges. The structure and charge property of the FO membranes were carefully tailored by optimizing casting conditions and selecting different immersing methods for the post-treatment. Especially, when the PAI micro-porous substrate was embedded with a woven fabric, the enhanced mechanical strength of the membrane made it possible to reduce the thickness of the substrate to 55μm, which is in favor of high water flux. The resultant membranes can reach a water flux of 29.65Lm -2h -1 with a ratio of salt flux to water flux (J s/J v) of <0.8gL -1 in the active layer facing draw solution (AL-facing-DS) configuration, or the water flux of 19.2Lm -2h -1 and the J s/J v of <0.5gL -1 in the active layer facing feed water (AL-facing-FW) configuration using 0.5M MgCl 2 as the draw solution and de-ionized water as the feed water at room temperature. © 2011 Elsevier B.V.
Persistent Identifierhttp://hdl.handle.net/10722/185416
ISSN
2015 Impact Factor: 4.412
2015 SCImago Journal Rankings: 1.549
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorQiu, Cen_US
dc.contributor.authorSetiawan, Len_US
dc.contributor.authorWang, Ren_US
dc.contributor.authorTang, CYen_US
dc.contributor.authorFane, AGen_US
dc.date.accessioned2013-07-30T07:32:23Z-
dc.date.available2013-07-30T07:32:23Z-
dc.date.issued2012en_US
dc.identifier.citationDesalination, 2012, v. 287, p. 266-270en_US
dc.identifier.issn0011-9164en_US
dc.identifier.urihttp://hdl.handle.net/10722/185416-
dc.description.abstractHigh performance flat sheet forward osmosis (FO) membranes have been successfully fabricated using Torlon® polyamide-imide (PAI) materials via phase inversion followed by polyelectrolyte polyethyleneimine (PEI) post-treatment to form a nanofiltration (NF)-like rejection layer with positive charges. The structure and charge property of the FO membranes were carefully tailored by optimizing casting conditions and selecting different immersing methods for the post-treatment. Especially, when the PAI micro-porous substrate was embedded with a woven fabric, the enhanced mechanical strength of the membrane made it possible to reduce the thickness of the substrate to 55μm, which is in favor of high water flux. The resultant membranes can reach a water flux of 29.65Lm -2h -1 with a ratio of salt flux to water flux (J s/J v) of <0.8gL -1 in the active layer facing draw solution (AL-facing-DS) configuration, or the water flux of 19.2Lm -2h -1 and the J s/J v of <0.5gL -1 in the active layer facing feed water (AL-facing-FW) configuration using 0.5M MgCl 2 as the draw solution and de-ionized water as the feed water at room temperature. © 2011 Elsevier B.V.en_US
dc.languageengen_US
dc.publisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/desalen_US
dc.relation.ispartofDesalinationen_US
dc.subjectFlat-Sheet Membraneen_US
dc.subjectForward Osmosisen_US
dc.subjectMembrane Fabricationen_US
dc.subjectPoly(Amide-Imide)en_US
dc.subjectPositively-Charged Nanofiltrationen_US
dc.titleHigh performance flat sheet forward osmosis membrane with an NF-like selective layer on a woven fabric embedded substrateen_US
dc.typeArticleen_US
dc.identifier.emailTang, CY: tangc@hku.hken_US
dc.identifier.authorityTang, CY=rp01765en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1016/j.desal.2011.06.047en_US
dc.identifier.scopuseid_2-s2.0-84856560001en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-84856560001&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume287en_US
dc.identifier.spage266en_US
dc.identifier.epage270en_US
dc.identifier.isiWOS:000301301300032-
dc.publisher.placeNetherlandsen_US
dc.identifier.scopusauthoridQiu, C=36019493600en_US
dc.identifier.scopusauthoridSetiawan, L=37000303800en_US
dc.identifier.scopusauthoridWang, R=35081334000en_US
dc.identifier.scopusauthoridTang, CY=35489259800en_US
dc.identifier.scopusauthoridFane, AG=35593963600en_US

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