About: Evaluation of nanofiltration for diafiltration of dyes solutios: Experimental observations and model evaluation

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Diafiltration is used to allow a high level of desalting to be achieved. However, the success of the application of NF for the desalting is related, among other factors, with magnitude of the permeate fluxes decline. We show that the dye and salt concentration, the salt rejection and pressure applied are responsible for the decrease of flux values as well as for desalting purposes. We found in the process of desalination of aqueous dye-salt solutions by polymeric NF membranes that cake layer formation of dye molecules on membrane surface, especially at low salt concentrations, was the principal cause of flux decline. Results demonstrate how the mathematical modelling of NF and description of discontinuous diafiltration by periodically adding solvent at constant pressure difference can be important for prediction of the diafiltration process in the manufacture of liquid dyes. Diafiltration is used to allow a high level of desalting to be achieved. However, the success of the application of NF for the desalting is related, among other factors, with magnitude of the permeate fluxes decline. We show that the dye and salt concentration, the salt rejection and pressure applied are responsible for the decrease of flux values as well as for desalting purposes. We found in the process of desalination of aqueous dye-salt solutions by polymeric NF membranes that cake layer formation of dye molecules on membrane surface, especially at low salt concentrations, was the principal cause of flux decline. Results demonstrate how the mathematical modelling of NF and description of discontinuous diafiltration by periodically adding solvent at constant pressure difference can be important for prediction of the diafiltration process in the manufacture of liquid dyes. (en)
Title	Evaluation of nanofiltration for diafiltration of dyes solutios: Experimental observations and model evaluation Evaluation of nanofiltration for diafiltration of dyes solutios: Experimental observations and model evaluation (en)
skos:prefLabel	Evaluation of nanofiltration for diafiltration of dyes solutios: Experimental observations and model evaluation Evaluation of nanofiltration for diafiltration of dyes solutios: Experimental observations and model evaluation (en)
skos:notation	RIV/00216275:25310/09:00008623!RIV10-MSM-25310___
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(MSM0021627502)
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Mikulášek, Petr
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Univerzita Pardubice / Fakulta chemicko-technologická
http://linked.open...dnocenehoVysledku	313884
http://linked.open...ai/riv/idVysledku	RIV/00216275:25310/09:00008623
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Nanofiltration; Diafiltration; Reactive dyes; Dye desalination (en)
http://linked.open.../riv/klicoveSlovo	Diafiltration Dye desalination Nanofiltration Reactive dyes
http://linked.open...ontrolniKodProRIV	[5F0633DBE52D]
http://linked.open...v/mistoKonaniAkce	Praha
http://linked.open...i/riv/mistoVydani	Praha
http://linked.open...i/riv/nazevZdroje	Proceedings of the PERMEA 2009
http://linked.open...in/vavai/riv/obor	CI
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...UplatneniVysledku	2009
http://linked.open...iv/tvurceVysledku	Mikulášek, Petr Cuhorka, Jiří
http://linked.open...vavai/riv/typAkce	EUR - Evropská
http://linked.open.../riv/zahajeniAkce	2009-06-11 (xsd:date)
http://linked.open...n/vavai/riv/zamer	Pokročilé analytické a separační metody a jejich aplikace v diagnostice a technologii živých a neživých materiálů
number of pages	7 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Ústav makromolekulární chemie AV ČR
https://schema.org/isbn	978-80-85009-58-3
http://localhost/t...ganizacniJednotka	25310
is http://linked.open...avai/riv/vysledek of	Evaluation of nanofiltration for diafiltration of dyes solutios: Experimental observations and model evaluation Evaluation of nanofiltration for diafiltration of dyes solutios: Experimental observations and model evaluation Evaluation of nanofiltration for diafiltration of dyes solutios: Experimental observations and model evaluation Evaluation of nanofiltration for diafiltration of dyes solutios: Experimental observations and model evaluation

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