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Statements

Subject Item
n2:RIV%2F00216275%3A25310%2F14%3A39898119%21RIV15-MSM-25310___
rdf:type
skos:Concept n14:Vysledek
dcterms:description
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.
dcterms:title
Evaluation of structural and charge properties of a polyamide nanofiltration membrane Evaluation of structural and charge properties of a polyamide nanofiltration membrane
skos:prefLabel
Evaluation of structural and charge properties of a polyamide nanofiltration membrane Evaluation of structural and charge properties of a polyamide nanofiltration membrane
skos:notation
RIV/00216275:25310/14:39898119!RIV15-MSM-25310___
n3:aktivita
n18:P
n3:aktivity
P(EE2.3.30.0021)
n3:cisloPeriodika
září 2014
n3:dodaniDat
n10:2015
n3:domaciTvurceVysledku
n12:4315081 n12:4377931 Gherasim, Cristina-Veronica n12:8356718
n3:druhVysledku
n16:J
n3:duvernostUdaju
n15:S
n3:entitaPredkladatele
n11:predkladatel
n3:idSjednocenehoVysledku
15456
n3:idVysledku
RIV/00216275:25310/14:39898119
n3:jazykVysledku
n8:eng
n3:klicovaSlova
Spiegler-Kedem model; TMS model; DSPM model; characterization; polyamide membrane; nanofiltration
n3:klicoveSlovo
n7:polyamide%20membrane n7:TMS%20model n7:DSPM%20model n7:Spiegler-Kedem%20model n7:characterization n7:nanofiltration
n3:kodStatuVydavatele
CZ - Česká republika
n3:kontrolniKodProRIV
[784853984937]
n3:nazevZdroje
Scientific Papers of the University of Pardubice, Series A, Faculty of Chemical Technology
n3:obor
n17:CI
n3:pocetDomacichTvurcuVysledku
4
n3:pocetTvurcuVysledku
4
n3:projekt
n9:EE2.3.30.0021
n3:rokUplatneniVysledku
n10:2014
n3:svazekPeriodika
20
n3:tvurceVysledku
Krejčová, Anna Gherasim, Cristina-Veronica Mikulášek, Petr Chýlková, Jaromíra
s:issn
1211-5541
s:numberOfPages
17
n13:organizacniJednotka
25310