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  • A polyamide thin-film composite NF membrane (AFC 80) was characterized in the present work by two different techniques: modelling of the rejection of uncharged solutes and modelling of the salt rejection. The interpretation of the data from uncharged solutes rejection experiments by using Donnan steric partitioning pore model (DSPM) allows determining the structural characteristics of the AFC 80 membrane. The experimental data for sodium chloride rejection were used to calculate the effective fixed charge density by means of an irreversible thermodynamics model (Spiegler-Kedem model) and of a charge model, namely Teorell-Meyer-Sievers (TMS) model. It was found that the membrane charge depends on the salt concentration in solution, this behaviour being attributed to ion adsorption on the membrane. The dependence of the charge density on NaCl concentration obeys a Freundlich isotherm equation.
  • A polyamide thin-film composite NF membrane (AFC 80) was characterized in the present work by two different techniques: modelling of the rejection of uncharged solutes and modelling of the salt rejection. The interpretation of the data from uncharged solutes rejection experiments by using Donnan steric partitioning pore model (DSPM) allows determining the structural characteristics of the AFC 80 membrane. The experimental data for sodium chloride rejection were used to calculate the effective fixed charge density by means of an irreversible thermodynamics model (Spiegler-Kedem model) and of a charge model, namely Teorell-Meyer-Sievers (TMS) model. It was found that the membrane charge depends on the salt concentration in solution, this behaviour being attributed to ion adsorption on the membrane. The dependence of the charge density on NaCl concentration obeys a Freundlich isotherm equation. (en)
Title
  • Evaluation of structural and charge properties of a polyamide nanofiltration membrane
  • Evaluation of structural and charge properties of a polyamide nanofiltration membrane (en)
skos:prefLabel
  • Evaluation of structural and charge properties of a polyamide nanofiltration membrane
  • Evaluation of structural and charge properties of a polyamide nanofiltration membrane (en)
skos:notation
  • RIV/00216275:25310/14:39898119!RIV15-MSM-25310___
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(EE2.3.30.0021)
http://linked.open...iv/cisloPeriodika
  • září 2014
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
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  • 15456
http://linked.open...ai/riv/idVysledku
  • RIV/00216275:25310/14:39898119
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • Spiegler-Kedem model; TMS model; DSPM model; characterization; polyamide membrane; nanofiltration (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • CZ - Česká republika
http://linked.open...ontrolniKodProRIV
  • [784853984937]
http://linked.open...i/riv/nazevZdroje
  • Scientific Papers of the University of Pardubice, Series A, Faculty of Chemical Technology
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http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 20
http://linked.open...iv/tvurceVysledku
  • Krejčová, Anna
  • Mikulášek, Petr
  • Chýlková, Jaromíra
  • Gherasim, Cristina-Veronica
issn
  • 1211-5541
number of pages
http://localhost/t...ganizacniJednotka
  • 25310
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