Descripción
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Metaloxidesnanoparticlesareofpotentialinterestforpressure-drivenmembranesinviewofflux increaseandreducedfoulingresistance.Inthisstudy,polyethersulfone(PES)flat-sheetmembranes were manufacturedbythephaseinversionmethodforwastewatertreatmentapplication.APES membranewasmodifiedbydispersingnanoparticlesofTiO2, Al2 O3 and ZrO2 in aPESsolution. Nanoparticlessizedistributionwascharacterizedbyscanningelectronmicroscope(SEM)anddynamic light scattering(DLS)methodtoexploretheeffectofnanoparticleaggregation.Furthermore, membraneswerecharacterizedbyhydrophilicity(contactangle),morphology(SEM),porosity,and thermalanalysis(TGA).MembranefoulingwasstudiedwithBSAandhumicacidsasmodelorganic foulants.Entrappedmetaloxideschangedthemembranemorphologytomoreopenandporous structureandtheantifoulingpropertyandlongtermfluxstabilityofmetaloxidemodifiedmembranes were significantlyenhanced.Strongcorrelationswereobservedbetweensomephysico-chemical propertiessuchas,porosity,hydrophilicityandpermeabilityofmodifiedmembraneswiththespatial particle distributioninthemembranestructure.Thefoulingresistanceofmodifiedmembraneswas significantlyreduced,showingthattheparticledistributionisakeyparameterforthemembrane foulingreduction.Therejectionpotentialofnewmembraneswashardlyaffected. | |
Internacional
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Si |
JCR del ISI
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Si |
Título de la revista
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Journal of Membrane Science |
ISSN
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0376-7388 |
Factor de impacto JCR
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3,673 |
Información de impacto
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Datos JCR del año 2010 |
Volumen
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428 |
DOI
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Número de revista
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428 |
Desde la página
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131 |
Hasta la página
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141 |
Mes
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SIN MES |
Ranking
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