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Evaluation of structural and charge properties of a polyamide nanofiltration membrane

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216275%3A25310%2F14%3A39898119" target="_blank" >RIV/00216275:25310/14:39898119 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Evaluation of structural and charge properties of a polyamide nanofiltration membrane

  • Original language 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 beingattributed to ion adsorption on the membrane. The dependence of the charge density on NaCl concentration obeys a Freundlich isotherm equation.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    CI - Industrial chemistry and chemical engineering

  • OECD FORD branch

Result continuities

  • Project

    <a href="/en/project/EE2.3.30.0021" target="_blank" >EE2.3.30.0021: Strenthening of Research and Development Teams at the University of Pardubice</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Others

  • Publication year

    2014

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Scientific Papers of the University of Pardubice, Series A, Faculty of Chemical Technology

  • ISSN

    1211-5541

  • e-ISSN

  • Volume of the periodical

    20

  • Issue of the periodical within the volume

    září 2014

  • Country of publishing house

    CZ - CZECH REPUBLIC

  • Number of pages

    17

  • Pages from-to

    343-359

  • UT code for WoS article

  • EID of the result in the Scopus database