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Article: A facile preparation of novel positively charged MOF/chitosan nanofiltration membranes

TitleA facile preparation of novel positively charged MOF/chitosan nanofiltration membranes
Authors
Ma, XYang, ZYao, ZXu, ZTang, CY
KeywordsPositive charge
Nanofiltration
Metal-organic frameworks (MOFs)
Morphology
Chitosan
Issue Date2017
PublisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/memsci
Citation
Journal of Membrane Science, 2017, v. 525, p. 269-276 How to Cite?
DOI: http://dx.doi.org/10.1016/j.memsci.2016.11.015
AbstractA novel positively charged nanofiltration (NF) membrane was fabricated by incorporating metal-organic frameworks (MOFs) into chitosan polymeric matrix for enhanced removal of multivalent cations. The synthesized MOFs, NH2-MIL-101(Al) and NH2-MIL-101(Cr), could be homogeneously dispersed in the chitosan polymeric matrix. The morphologies of MOFs had a significant influence on the permeability of NF membranes. NF membrane filled with NH2-MIL-101(Al) with rod-like structure attained two times higher flux but similar rejection compared with that filled with NH2-MIL-101(Cr) with grainy structure. The effect of MOF loadings (NH2-MIL-101(Al)) on the membrane performance were evaluated by XRD, FTIR and SEM. These positively charged MOF/chitosan NF membranes were able to reject up to 93.0% of MgCl2, and the salt rejection followed the order of MgCl2>CaCl2>NaCl>Na2SO4.
Persistent Identifierhttp://hdl.handle.net/10722/248387
ISSN
0376-7388
2023 Impact Factor: 8.4
2023 SCImago Journal Rankings: 1.848
ISI Accession Number ID
WOS:000392558000029

 

DC FieldValueLanguage
dc.contributor.authorMa, X-
dc.contributor.authorYang, Z-
dc.contributor.authorYao, Z-
dc.contributor.authorXu, Z-
dc.contributor.authorTang, CY-
dc.date.accessioned2017-10-18T08:42:24Z-
dc.date.available2017-10-18T08:42:24Z-
dc.date.issued2017-
dc.identifier.citationJournal of Membrane Science, 2017, v. 525, p. 269-276-
dc.identifier.issn0376-7388-
dc.identifier.urihttp://hdl.handle.net/10722/248387-
dc.description.abstractA novel positively charged nanofiltration (NF) membrane was fabricated by incorporating metal-organic frameworks (MOFs) into chitosan polymeric matrix for enhanced removal of multivalent cations. The synthesized MOFs, NH2-MIL-101(Al) and NH2-MIL-101(Cr), could be homogeneously dispersed in the chitosan polymeric matrix. The morphologies of MOFs had a significant influence on the permeability of NF membranes. NF membrane filled with NH2-MIL-101(Al) with rod-like structure attained two times higher flux but similar rejection compared with that filled with NH2-MIL-101(Cr) with grainy structure. The effect of MOF loadings (NH2-MIL-101(Al)) on the membrane performance were evaluated by XRD, FTIR and SEM. These positively charged MOF/chitosan NF membranes were able to reject up to 93.0% of MgCl2, and the salt rejection followed the order of MgCl2>CaCl2>NaCl>Na2SO4.-
dc.languageeng-
dc.publisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/memsci-
dc.relation.ispartofJournal of Membrane Science-
dc.subjectPositive charge-
dc.subjectNanofiltration-
dc.subjectMetal-organic frameworks (MOFs)-
dc.subjectMorphology-
dc.subjectChitosan-
dc.titleA facile preparation of novel positively charged MOF/chitosan nanofiltration membranes-
dc.typeArticle-
dc.identifier.emailMa, X: xiaohma@hku.hk-
dc.identifier.emailYang, Z: zheyang8@hku.hk-
dc.identifier.emailYao, Z: yaozk@hku.hk-
dc.identifier.emailTang, CY: tangc@hku.hk-
dc.identifier.authorityYang, Z=rp02847-
dc.identifier.authorityTang, CY=rp01765-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.memsci.2016.11.015-
dc.identifier.scopuseid_2-s2.0-85027938511-
dc.identifier.hkuros281282-
dc.identifier.hkuros275653-
dc.identifier.volume525-
dc.identifier.spage269-
dc.identifier.epage276-
dc.identifier.isiWOS:000392558000029-
dc.publisher.placeNetherlands-

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