Investigation of the structural and charge properties of a polyamide nanofiltration membrane

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216275%3A25310%2F17%3A39911017" target="_blank" >RIV/00216275:25310/17:39911017 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Investigation of the structural and charge properties of a polyamide nanofiltration membrane
Original language description
In this present work, a polyamide thin-film composite NF membrane (AFC 30) was used for characterization of the structural and charge surface properties. The structural properties are the pore radius (rp) and membrane thickness to porosity ratio (∆x/Ak) respectively. The interpretation of values from the different uncharged solutes rejection allows one to determine the structural properties of AFC 30. This was done by using modelling of rejection of the uncharged solutes with the aid of the Donnan steric partitioning model (DSPM). The fixed charge density on the membrane surface was determined by experiments with sodium chloride at different concentrations. The data from such a sodium chloride experiment(s) were used to calculate the effective charge density (ФX) by using the Spiegler–Kedem model together with a charge model called Teorell–Meyer–Sievers (TMS). Then, it has been revealed that the membrane charge depends solely on the salt concentration in the solution because of the ion adsorption onto the membrane surface.
Czech name
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Czech description
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Publication year
2017
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical
Scientific Papers of the University of Pardubice, Series A, Faculty of Chemical Technology
ISSN
1211-5541
e-ISSN
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Volume of the periodical
23
Issue of the periodical within the volume
květen
Country of publishing house
CZ - CZECH REPUBLIC
Number of pages
19
Pages from-to
225-243
UT code for WoS article
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EID of the result in the Scopus database
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