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Article: Boric acid permeation in forward osmosis membrane processes: Modeling, experiments, and implications

TitleBoric acid permeation in forward osmosis membrane processes: Modeling, experiments, and implications
Authors
Issue Date2011
PublisherAmerican Chemical Society. The Journal's web site is located at http://pubs.acs.org/est
Citation
Environmental Science And Technology, 2011, v. 45 n. 6, p. 2323-2330 How to Cite?
AbstractForward osmosis (FO) is attracting increasing interest for its potential applications in desalination. In FO, permeation of contaminants from feed solution into draw solution through the semipermeable membrane can take place simultaneously with water diffusion. Understanding the contaminants transport through and rejection by FOmembrane has significant technical implications in the way to separate clean water from the diluted draw solution. In this study, a model was developed to predict boron flux in FO operation. A strong agreement between modeling results and experimental data indicates that the model developed in this study can accurately predict the boron transport through FO membranes. Furthermore, the model can guide the fabrication of improved FO membranes with decreased boron permeability and structural parameter to minimize boron flux. Both theoretical model and experimental results demonstrated that when membrane active layer was facing draw solution, boron flux was substantially greater compared to the other membrane orientation due to more severe internal concentration polarization. In this investigation, for the first time, rejection of contaminants was defined in FO processes. This is critical to compare the membrane performance between different membranes and experimental conditions. © 2011 American Chemical Society.
Persistent Identifierhttp://hdl.handle.net/10722/185398
ISSN
2015 Impact Factor: 5.393
2015 SCImago Journal Rankings: 2.664
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorJin, Xen_US
dc.contributor.authorTang, CYen_US
dc.contributor.authorGu, Yen_US
dc.contributor.authorShe, Qen_US
dc.contributor.authorQi, Sen_US
dc.date.accessioned2013-07-30T07:32:14Z-
dc.date.available2013-07-30T07:32:14Z-
dc.date.issued2011en_US
dc.identifier.citationEnvironmental Science And Technology, 2011, v. 45 n. 6, p. 2323-2330en_US
dc.identifier.issn0013-936Xen_US
dc.identifier.urihttp://hdl.handle.net/10722/185398-
dc.description.abstractForward osmosis (FO) is attracting increasing interest for its potential applications in desalination. In FO, permeation of contaminants from feed solution into draw solution through the semipermeable membrane can take place simultaneously with water diffusion. Understanding the contaminants transport through and rejection by FOmembrane has significant technical implications in the way to separate clean water from the diluted draw solution. In this study, a model was developed to predict boron flux in FO operation. A strong agreement between modeling results and experimental data indicates that the model developed in this study can accurately predict the boron transport through FO membranes. Furthermore, the model can guide the fabrication of improved FO membranes with decreased boron permeability and structural parameter to minimize boron flux. Both theoretical model and experimental results demonstrated that when membrane active layer was facing draw solution, boron flux was substantially greater compared to the other membrane orientation due to more severe internal concentration polarization. In this investigation, for the first time, rejection of contaminants was defined in FO processes. This is critical to compare the membrane performance between different membranes and experimental conditions. © 2011 American Chemical Society.en_US
dc.languageengen_US
dc.publisherAmerican Chemical Society. The Journal's web site is located at http://pubs.acs.org/esten_US
dc.relation.ispartofEnvironmental Science and Technologyen_US
dc.subject.meshBoric Acids - Chemistryen_US
dc.subject.meshModels, Chemicalen_US
dc.subject.meshOsmosisen_US
dc.subject.meshPermeabilityen_US
dc.subject.meshSeawater - Chemistryen_US
dc.subject.meshWater Pollutants, Chemical - Chemistryen_US
dc.subject.meshWater Purification - Methodsen_US
dc.titleBoric acid permeation in forward osmosis membrane processes: Modeling, experiments, and implicationsen_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.doi10.1021/es103771aen_US
dc.identifier.pmid21329347-
dc.identifier.scopuseid_2-s2.0-79953841884en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-79953841884&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume45en_US
dc.identifier.issue6en_US
dc.identifier.spage2323en_US
dc.identifier.epage2330en_US
dc.identifier.isiWOS:000288146200041-
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridJin, X=7402589561en_US
dc.identifier.scopusauthoridTang, CY=35489259800en_US
dc.identifier.scopusauthoridGu, Y=36678837600en_US
dc.identifier.scopusauthoridShe, Q=34868602200en_US
dc.identifier.scopusauthoridQi, S=48461816800en_US

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